HomeMy WebLinkAbout2023-037 - Ord. Amending Mason County Code Title 14 - Building and Construction and Adopting New Ordinance No. �DOJ�-0??j
AN ORDINANCE BY THE BOARD OF COUNTY COMMISSIONERS OF MASON COUNTY,
WASHINGTON AMENDING THE COUNTY CODE OF MASON COUNTY, TITLE 14, BUILDINGS
AND CONSTRUCTION BY REPEALING EXISTING INTERNATIONAL CODES AND ADOPTING
NEW INTERNATIONAL CODES AS ADOPTED AND AMENDED BY THE STATE OF
WASHINGTON.
WHEREAS, the State of Washington requires counties and cities to enact building codes and
regulations and provide for their administration, enforcement, and amendment; and
WHEREAS, the regulations of building and building construction by Mason County(the "County") is
necessary to protect the public health and welfare; and
WHEREAS, the BOARD OF COUNTY COMMISSIONERS of the County desires to protect the
safety and welfare of the citizens of the County through regulation of construction activities and
maintenance of buildings in the County; and
WHEREAS, the County has previously adopted multiple international codes; and
WHEREAS, more recent international codes have been adopted by the State of Washington; and
WHEREAS, the State of Washington has ordained in Washington Administrative Code (WAC),
Chapter 51 that the 2021 Edition of the State Building Code shall become effective in all counties
and cities of the state on October 29, 2023; and
WHEREAS, the County is required by Revised Code of Washington (RCW), Section 19.27 to adopt
these State of Washington Building Codes; and
WHEREAS, County staff has undertaken a review of the newly adopted international codes as
compared to the County's existing codes; and
WHEREAS, County staff recommends adopting the international codes provided for herein; and
WHEREAS, County staff presented the international codes provided for herein along with their
amendments to the County BOARD OF COUNTY COMMISSIONERS; and
WHEREAS, the Mason County BOARD OF COUNTY COMMISSIONERS conducted a public
hearing regarding Mason County Title 14 on June 20, 2023; and
WHEREAS, the Mason County BOARD OF COUNTY COMMISSIONERS wants it known that it is
not required to wait until the effective date to submit plans designed under the amended codes; and
WHEREAS, the BOARD OF COUNTY COMMISSIONERS will provide for approval of the provisions
regulating construction through use of these State adopted Codes set forth herein at the BOARD OF
COUNTY COMMISSIONERS meeting on June 20, 2023; and
NOW, THEREFORE, IT IS HEREBY ORDAINED that effective October 29, 2023, that the following
sections and subsections of Chapters 14.04, 14.08, 14.12, 14.14, 14.15, 14.16, 14.17, 14.18, 14.19,
14.20, 14.24, 14.25, 14.28, 14.30, 14.40, 14.44, 14.46 and 14.48 within the Mason County Code be
amended and adopted as shown on Attachment A.
Dated this 20-Y'\ day of June 2023. BOARD OF COUNTY COMMISSIONERS
MASON COUNTY, WASHINGTON
ATTEST:
McKenzie SmitK,-0eW of the Board Sharon Trask, Chair
APPROVED AS TO FORM: R ndy Ne therlin, Commissioner
Tim W ' , Chief DPA Kevin Shutty, ommissioner
Mason County,Washington,Code of Ordinances
Title 14 BUILDINGS AND CONSTRUCTION
Title 14
BUILDINGS AND CONSTRUCTION
Chapter 14.04 STATE BUILDING CODES ADOPTED'
14.04.010 State Building Codes adopted.
(a) 2021 Edition of the International Building Code (IBC) as published by the International Code Council (ICC),
hereafter IBC, including the 2021 International Existing Building Code(IEBC), adopted in accordance with
Washington Administrative Code (WAC), Chapter 51-50; including IBC Sections 101 through 112, including
IBC Appendix Chapters, C(Agricultural Buildings), G (Flood Resistant Construction), H (Signs) and J
(Grading). Excluding IBC, Chapter 1,subsection 101.4.3 (Plumbing) and 101.4.6; excluding Sections 113
through 116; excluding Appendix Chapter H, Section H106(Electrical for Signs).
(b) 2021 Edition of the International Residential Code for One-and Two-Family Dwellings as published by the
International Code Council (ICC), hereafter the IRC, as adopted in accordance with Washington
Administrative Code(WAC)Chapter 51-51. Excluding IRC, Chapter 11, Energy Efficiency regulations pursuant
to WAC 51-11R and Chapters 25 through 43, Plumbing and Electrical Provisions regulated pursuant to WAC
51-56 and WAC 296-46B excluding section R112, board of appeals.
(c) 2021 Edition of the International Fire Code as published by the International Code Council (ICC) hereafter
the IFC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-54A; including
Appendix Chapters, C(Fire Hydrant Locations and Distribution), F(Hazard Ranking), G (Cryogenic Fluids), H
(Hazardous Materials Management Plan), I (Fire Protection Systems—Non-Compliant Conditions).
(d) 2021 Edition of the International Mechanical Code as published by the International Code Council (ICC),
hereafter the IMC, as adopted in accordance with Washington Administrative Code (WAC) Chapter 51-52,
including the 2021 International Fuel Gas Code, 2021 National Fuel Gas Code-National Fire Protection
Association (NFPA) 54,and the 2020 Liquified Petroleum Gas Code-NFPA 58. Excluding IMC Section 113
through 116.
(e) 2021 Edition of the Uniform Plumbing Code as published by the International Association of Plumbing and
Mechanical Officials (IAPMO), hereafter the UPC, as adopted in accordance with Washington
Administrative Code (WAC) Chapter 51-56. Excluding Chapter 1, Section 107.
(f) 1997 Edition of the Uniform Code for the Abatement of Dangerous Buildings as published by the
International Conference of Building Officials. Excluding Section 205.1 Board of Appeals.
(g) 2021 Edition of the International Energy Conservation Code as published by the International Code
Council (ICC), herein after the Washington State Energy Code(WSEC) as adopted by the Washington
Administrative Code(WAC) 51-11R(Residential) and 51-11C(Commercial).
(h) 2021 Edition of the International Wildland-Urban Interface Code as published by the International
'Editor's note(s)—Ord. No. 50-16,Att.A, adopted Aug.9, 2016, repealed the former Ch. 14.04, § 14.04.010,and
enacted a new Ch. 14.04 as set out herein.The former Ch. 14.04 pertained to state and uniform codes
adopted and derived from Ord. No.44-10, adopted May 25, 2010;Ord. No.32-13, adopted June 18, 2013.
Mason County,Washington,Code of Ordinances Created: 2023-04-05 09:20:14 [EST]
(Supp.No.62-2-23)
Page 1 of 35
Code Council(ICC),as adopted,and amended by the Washington Administrative Code(WAC)51- 54A.
(Ord. No.50-16,Att.A,8-9-2016;Ord. No. 2021-007,Att.A, 1-19-2021)
Chapter 14.08 BUILDING CODE AMENDMENTS2
14.08.010 General.
2021 International Building Code(IBC), 2021 International Residential Code(IRC)and the 2021 International
Wildland Urban Interface Codes are hereby amended.The amended sections shall supersede that section or table
as numbered in said Building Code of Mason County.The amended sections are as follows [in this chapter].
(Ord. No.44-10, 5-25-2010;Ord. No.32-13, 6-18-2013; Ord. No.50-16,Att.A,8-9-2016;Ord. No. 2021-007,Att.A,
1-19-2021)
14.08.030 IBC/IRC Section 105.1, Permits required.
Section 105.1 is adopted, and supplemented with the following:
(1) Permits shall be required for all docks, piers, and floats,excluding:the normal maintenance and repair
of boathouses;and floats which are less than 120 square feet, are detached and chain anchored.
Permits shall also be required for seawalls, bulkheads, or other similar structures, regardless of type of
construction, including, but not limited to, rock, rip rap, pilings,wood, and concrete block.
(2) Permits shall be required for park trailers, recreational park trailers, manufactured housing,
commercial structures, commercial coaches,factory-built housing.
(3) Permits shall be required for the construction of vehicular and/or pedestrian bridges.Submittal
documents such as plans,calculations and specifications must be stamped and approved by an
engineer licensed in the State of Washington.
The building official may review and approve small private foot bridges not for vehicular use.
(4) Tenant Review Applications, Commercial (COM) Permits shall be required for commercial use buildings
when there is a change in tenant prior to occupancy whether or not construction or alterations are
performed or proposed and regardless of the use or occupancy classification.When a building is
constructed with future tenant spaces intended to be finished or occupied at a later date, a separate
permit is required for each tenant space prior to any tenant occupancy.The permit fee shall be as
adopted under the current building permit fee schedule.
'Editor's note(s)—Ord. No.44-10,adopted May 25, 2010, amended Chapter 14.08 in its entirety to read as herein
set out. Former Chapter 14.08 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04, 2004;and Ord.64-07, 2007.
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(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013;Ord. No. 35-15,Att.A,8-18-2015)
14.08.031 IBC/IRC Section 105.2, Work exempt from permit.
The International Building Code is clear on one important fact when it comes to exemptions. "Exemptions
from permit requirements...shall not be deemed to grant authorization for any work to be done in any manner in
violation of the provisions of[the] International Building Code or any other laws or ordinances of[its]
jurisdiction."13 Even though a building permit may not be required, provisions of the state code are still in force
and effect. In this section,Sections [A]105.2 and R 105.2 of the International Building Code and International
Residential Code are adopted herein by reference and supplemented with the following:
(1) Agricultural buildings:A single-story building or structure directly related to an agricultural activity
defined to include:farming;forestry; ranching;algaculture;aquaculture;apiculture(beekeeping);
horticulture;viticulture;animal husbandry, including, but not limited to,the care and raising of
livestock,equine,and fur-bearing animals; poultry husbandry and the production of poultry and
poultry products;dairy production;the production of field crops,fruits,vegetables, nursery stock,
ornamental shrubs, ornamental trees, Christmas trees,flowers,sod, or mushrooms;timber and
pasturage.Agricultural buildings shall be exempt when eight hundred sixty-four square feet or less with
a wall height not to exceed sixteen feet,and setback ten feet from all other structures.This exemption
does not apply to buildings used for the purpose of growing or producing medical or recreational
cannabis which shall remain subject to the authority and restrictions of Mason County Code Chapter
17.17(Recreational Marijuana).
(2) Storage(Non-Agricultural) Buildings:Single-story buildings or structures used for the storage of
belongings, not designed for human habitation,and not used for remunerative purposes.These
structures shall not be a place of human habitation or a place of employment, nor shall it be a place
used by the public.Storage buildings shall be exempt when five hundred seventy-six square feet or less
with a wall height not to exceed ten feet and shall be setback ten feet from all other structures.
(3) Cargo containers, also known as intermodal freight containers,are standardized, reusable portable
vessels that were originally designed for use in intercontinental traffic of freight and designed to be
mounted on a rail car,truck, or ship. When such containers are used as a building or structure,they are
subject to the provisions of the building code as adopted and modified by Mason County.Accordingly,
a building permit is required to locate and use such structures.The site and building construction plans
shall be adequate to demonstrate compliance with building,fire,and site regulatory standards.
Structural calculations are required for altered or structurally connected containers.
As with other prefabricated structures such as portables or manufactured homes, building code
approval of cargo containers may be obtained through the Washington State's Factory Built Structure
Agency.Cargo Containers shall be exempt when five hundred seventy-six square feet or less with a wall
height not to exceed ten feet and shall be set back ten feet from all other structures.
(4) Agricultural,storage buildings and cargo storage containers shall be exempt from the permitting
requirements of Title 14 only when:
a. The property owner must obtain an affidavit of exemption and certify through the use of an
affidavit recorded on title:
i. That the exempt structure will meet the definitions in 14.08.031(1) (2)or(3);and
1IBC§ 105.2
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ii. That the structure is not located within a critical area unless it complies with Chapter 8.52
MCC, Resource Management; and
iii. That it complies with setback requirements in accordance with Title 17 MCC,Zoning;and
iv. That it is built to the latest version of the International Residential Code and International
Building and Fire Code;and
V. That it exceeds one hundred twenty square feet in accordance with the 2021 International
Building Code or two hundred square feet in accordance with the 2021 Residential Code;
and
vi. That if required,construction documents prepared by a registered design professional be
submitted with each affidavit of exemption.
vii. Buildings or structures used for the storage of belongings, not designed for human
habitation, and not used,for remunerative purposes.These structures shall not be a place
of human habitation or a place of employment, nor shall it be a place used by the public.
b. Plumbing and mechanical permits are still required.
C. The maximum height of the structure not to exceed those described in 14.08.031(1)(2)or(3).
d. The exemption does not apply to structures located within a floodway.
e. Cargo containers under the exemption need not have an engineered foundation but must be
placed on a hard, level surface and attached to the ground with approved wind and seismic ties.
f. Cargo containers used exclusively for storage are exempt from the requirement for exit doors.
g. The proposed structure must adhere to other applicable Mason County,state, and federal
regulations, or ordinances.
(5) Decks exceeding two hundred square feet that are not more than thirty inches above grade at any
point,are not attached to a dwelling and do not serve the exit door required by WAC 51-51-0311
Section R311.4,are exempt from permitting requirements under[this section].
(Ord. No. 30-17, att.A,6-6-2017;Ord. No.38-17, 7-11-2017;Ord. No.38-15,Att.A,8-18-2015)
Editor's note(s)—Ord. No.38-17, adopted July 11, 2017, did not specify manner of inclusion, hence,codification as
subsection 14.08.031(5)was at the discretion of the editor.
14.08.140 IWUIC Section 102.6 Existing conditions.
The legal occupancy or use of any structure or condition existing on the date of adoption of this code shall
be permitted to continue without change,except as is specifically covered in this code,the International Fire Code or
the Uniform Code for the Abatement of Dangerous Buildings or as is deemed necessary by the code official for the
general safety and welfare of the occupants and the public.
14.08.150 IWUIC Section 106.3 Work exempt from permit
Exemption from the permit requirements of the IWUIC shall not be deemed to grant authorization for any
work to be done in any manner in violation of the provisions of the IWUIC code or any other laws or ordinances of
this jurisdiction,exemption does not allow the permit exemption requirements for the structures listed herein to be
in violation of the provisions of the IWUIC for fire protection or construction materials.
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The code official is authorized to stipulate conditions for permits. Permits shall not be issued where public safety
would be at risk,as determined by the code official.
Unless otherwise provided in the requirements of the International Building Code or the International Fire Code, or
any other ordinance of the jurisdiction,a permit shall not be required for the following as modified:
(1) Agricultural buildings:A single-story building or structure directly related to an agricultural activity
defined to include:farming;forestry; ranching;algaculture;aquaculture; apiculture(beekeeping);
horticulture;viticulture;animal husbandry, including, but not limited to,the care and raising of
livestock, equine,and fur-bearing animals;poultry husbandry and the production of poultry and
poultry products;dairy production;the production of field crops,fruits,vegetables, nursery stock,
ornamental shrubs, ornamental trees, Christmas trees,flowers,sod, or mushrooms;timber and
pasturage.Agricultural buildings shall be exempt when eight hundred sixty-four square feet or less with
a wall height not to exceed sixteen feet,and setback ten feet from all other structures.This exemption
does not apply to buildings used for the purpose of growing or producing medical or recreational
cannabis which shall remain subject to the authority and restrictions of Mason County Code Chapter
17.17(Recreational Marijuana).
(2) Storage(Non-Agricultural) Buildings:Single-story buildings or structures used for the storage of
belongings, not designed for human habitation,and not used for remunerative purposes.These
structures shall not be a place of human habitation or a place of employment, nor shall it be a place
used by the public.Storage buildings shall be exempt when five hundred seventy-six square feet or less
with a wall height not to exceed ten feet and shall be setback ten feet from all other structures.
(3) Cargo containers, also known as intermodal freight containers,are standardized, reusable portable
vessels that were originally designed for use in intercontinental traffic of freight and designed to be
mounted on a rail car,truck or ship.When such containers are used as a building or structure,they are
subject to the provisions of the building code as adopted and modified by Mason County.Accordingly,
a building permit is required to locate and use such structures.The site and building construction plans
shall be adequate to demonstrate compliance with building,fire and site regulatory standards.
Structural calculations are required for altered or structurally connected containers.
As with other prefabricated structures such as portables or manufactured homes, building code
approval of cargo containers may be obtained through the Washington State's Factory Built Structure
Agency.Cargo Containers shall be exempt when five hundred seventy-six square feet or less with a wall
height not to exceed ten feet and shall be set back ten feet from all other structures.
(4) Agricultural,storage buildings and cargo storage containers shall be exempt from the permitting
requirements of Title 14 only when:
a. The property owner must obtain an affidavit of exemption and certify through the use of an
affidavit recorded on title:
i. That the exempt structure will meet the definitions in 14.08.031(1) (2)or(3);and
ii. That the structure is not located within a critical area unless it complies with Chapter 8.52
MCC, Resource Management; and
iii. That it complies with setback requirements in accordance with Title 17 MCC,Zoning;and
iv. That it is built to the latest version of the International Residential Code and International
Building and Fire Code;and
V. That it exceeds one hundred twenty square feet in accordance with the 2021 International
Building Code or two hundred square feet in accordance with the 2021 Residential Code;
and
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vi. That if required, construction documents prepared by a registered design professional be
submitted with each affidavit of exemption.
vii. Buildings or structures used for the storage of belongings, not designed for human
habitation, and not used,for remunerative purposes.These structures shall not be a place
of human habitation or a place of employment, nor shall it be a place used by the public.
b. Plumbing and mechanical permits are still required.
C. The maximum height of the structure not to exceed those described in 14.08.031(1)(2)or(3).
d. The exemption does not apply to structures located within a floodway.
e. Cargo containers under the exemption need not have an engineered foundation but must be
placed on a hard, level surface and attached to the ground with approved wind and seismic ties.
f. Cargo containers used exclusively for storage are exempt from the requirement for exit doors.
g. The proposed structure must adhere to other applicable Mason County,state, and federal
regulations,or ordinances.
(5) Decks exceeding two hundred square feet that are not more than thirty inches above grade at any
point,are not attached to a dwelling and do not serve the exit door required by WAC 51-51-0311
Section R311.4,are exempt from permitting requirements under[this section].
14.08.155 Section 106.8 Expiration.
Expiration of permits shall be as set forth in the Mason County Code,Title 14,Section 14.08.035.
14.08.160 Section 110.2 Enforcement.
Enforcement shall be in accordance with the applicable provisions of the Mason County Code as
referenced.
14.08.165 Section 112 Service Utilities.
Section 112 is deleted. Installation of service utilities shall be as set forth under the provisions of the
Washington State, Department of Labor and industries, Electrical Division.
14.08.175 IWUIC Section 113 Means of Appeals.
Appeals of orders, decisions or determinations made by the building official/fire marshal shall be as set forth
in the Mason County Code,Title 15 Mason County Development Code,Section 15.11.010 Appeals of
Administrative Interpretations and Decisions.
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Title 14-BUILDINGS AND CONSTRUCTION
Chapter 14.12 VIOLATION AND PENALTIES
Chapter 14.12 VIOLATION AND PENALTIES4
14.12.030 IBC Section 114 and IRC Section R113, Violation and penalties
Shall be as prescribed in Title 15, Mason County Code.
(Ord. No.44-10, 5-25-2010;Ord. No. 32-13, 6-18-2013)
Chapter 14.14 MINIMUM QUALIFICATION REQUIREMENTS FOR FIRE CODE
INSPECTION
14.14.010 Minimum qualification requirements for International Fire Code (IFC) inspection.
(a) Fire districts in Mason County who choose to do fire safety inspections using the adopted fire code shall have
qualified inspectors to do the inspections.Qualified inspectors shall have a current certification in either the
International Fire Service Accreditation Congress(IFSAC) Fire Code Inspector Certification,or the
International Code Council (ICC)-Fire Inspector I Certification, and evaluation/approval by the Mason County
fire marshal.
(b) For the purpose of this chapter, a fire safety inspection is defined as any on-site visit to a commercial,
residential,or other occupancy for the purpose or effect of identifying compliance or noncompliance of the
fire code not directly related,or as a result,of a fire incident.
(c) Fire safety inspections done by fire districts that are forwarded to the fire marshal's office for compliance
shall be done so in writing in a format provided and/or approved by the county.
(Ord. No.44-10,5-25-2010;Ord. No.32-13,6-18-2013;Ord. No. 50-16,Att.A,8-9-2016)
Chapter 14.15 UNIFORM CODE FOR THE ABATEMENT OF DANGEROUS
BUILDINGS6
4Editor's note(s)—Ord. No.44-10, adopted May 25, 2010, amended Chapter 14.12 in its entirety to read as herein
set out. Former Chapter 14.12 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04, 2004;and Ord. 64-07, 2007.
'Editor's note(s)—Ord. No.44-10, adopted May 25, 2010, amended Chapter 14.14 in its entirety to read as herein
set out. Former Chapter 14.14 pertained to the same subject matter and derived from Ord. 140-03, 2003;
and Ord. 64-07, 2007.
6Editor's note(s)—Ord. No.44-10,adopted May 25, 2010, amended Chapter 14.15 in its entirety to read as herein
set out. Former Chapter 14.15 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04, 2004;and Ord.64-07, 2007.
Mason County,Washington,Code of Ordinances Created: 2023-04-05 09:20:07 [EST]
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14.15.015 Definitions.
"Building official"shall be the director of the department of community development or the designated
building official of the county as appointed by the board of county commissioners for the purpose of compliance
and all other activities within the Uniform Code for the Abatement of Dangerous Buildings.
"Tax collector"shall be the Mason County Treasurer.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013)
Chapter 14.16 FIRE CODE
14.16.025 IFC Section 110.4, Violation—Penalties.
Persons who shall violate a provision of this code or shall fail to comply with any of the requirements thereof
or who shall erect, install,alter, repair or do work in violation of the approved construction documents or directive
of the building or fire code official, or of a permit or certificate used under provision of this code,shall be subject
to enforcement as prescribed for in Title 15, Mason County Code.
(Ord.59-04(part), 2004;Ord. No. 2021-007,Att.A, 1-19-2021)
Chapter 14.17 STANDARDS FOR FIRE APPARATUS ACCESS ROADS?
14.17.010 Application.
This chapter shall apply to roads, driveways,or other means of access serving structures,facilities, buildings,
or portions of buildings hereafter constructed,altered, or moved into or within the jurisdiction and developed
under permit from Mason County.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013)
14.17.040 Construction.
Roadways shall be constructed/designed with an all-weather driving surface(gravel,crushed rock, concrete
or asphalt)and the ability to support the imposed load requirements of fire apparatus.
(Ord. No.44-10, 5-25-2010;Ord. No.32-13,6-18-2013)
7Editor's note(s)—Ord. No.44-10,adopted May 25, 2010,amended Chapter 14.17 in its entirety to read as herein
set out. Former Chapter 14.17 pertained to the same subject matter and derived from Ord. 31-04, 2004;and
Ord.64-07, 2007.
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14.17.060 Width.
A fire apparatus access road shall be a minimum unobstructed width of twenty feet for commercial
structures, or four or more parcels or building sites.The access road may be reduced to twelve feet of
unobstructed width with a minimum of ten-foot-wide driving surface for one to three parcels or building sites on
approval of the fire marshal.
(Ord. No.44-10,5-25-2010;Ord. No.32-13, 6-18-2013)
14.17.080 Pullouts.
A ten-foot-wide fire apparatus access road exceeding three hundred feet in length will be required to make
provisions for the passing of fire apparatus by providing approved pullouts. Pullouts shall be reasonably located,
based on sight distance, road curvature,and grade;and shall be a minimum size of eight feet wide and thirty feet
long with tapered ends.
(Ord. No.44-10,5-25-2010;Ord. No.32-13,6-18-2013)
14.17.090 Dead end roads.
A dead-end fire apparatus access road longer than three hundred feet is required to provide provisions for
the turning around of fire apparatus within one hundred fifty feet of any facility or structure.See exhibits of the
ordinance codified in this chapter: Exhibit A— Hammer Head Turn Around, B— Modified Hammer Head,C— Cul-
de-Sac Turn Around, D and E— Pullouts,for examples of accepted turnarounds and pullouts.
(Ord. No.44-10,5-25-2010;Ord. No.32-13, 6-18-2013; Ord. No. 21-19,Attach.A,3-12-2019)
Editor's note(s)—Exhibits A—E to Ords. No. 21-19,adopted March 12, 2019, are not set out herein but are
available at the office of the clerk of the board.
14.17.110 Automatic fire sprinkler system.
A fire apparatus access road,which is newly constructed or existing,and which is in excess of twelve percent
(12%)grade,and which is greater than one hundred and fifty feet from a primary access point intersecting with a
county or state road right-of-way,to new residential or new commercial construction will require an automatic fire
sprinkler system to be installed.
(Ord. No.44-10, 5-25-2010;Ord. No. 32-13, 6-18-2013)
14.17.120 Large residential developments.
Where more than fifty units are designed in a residential development, either single-family, multifamily,
retirement or similar,there shall be a minimum of two access points to the county road system.Such access points
shall be located so as to provide for general circulation, alternate emergency access routes,through access and
general transportation design considerations.One of these access points may be for emergency vehicle use only
where the number of units does not exceed one hundred. Design of an "emergency vehicle use only" access must
be approved by the local fire district and fire marshal.
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(Ord. No.44-10,5-25-2010;Ord. No.32-13,6-18-2013;Ord. No.2021-007,Att.A, 1-19-2021)
14.17.125 Fire apparatus access road gates.
Gates securing the fire apparatus access roads shall comply with all of the following criteria:
(1) Where a single gate is provided,the gate width shall be not less than twenty feet.Where a fire
apparatus road consists of a divided roadway,the gate width shall be not less than twelve feet.
(2) Gates shall be of the swinging or sliding type.
(3) Construction of gates shall be of materials that allow manual operation by one person.
(4) Gate components shall be maintained in an operative condition at all times and replaced or repaired
when defective.
(5) All€4ectris gates shall be equipped with a means of opening the gate by fire department personnel for
emergency access. Electric emergency opening devices shall be approved by the fire code official.
(6) Methods of locking shall be submitted for approval by the fire code official.
(7) Electric gate operators,where provided,shall be listed in accordance with UL 325.
(8) Gates intended for automatic operation shall be designed, constructed and installed to comply with
the requirements of ASTM F2200.
(Ord. No. 2021-007,Att.A, 1-19-2021)
Chapter 14.19 SALE AND DISCHARGE OF FIREWORKS
14.19.040 Supervision of public displays.
All public firework displays shall be conducted or supervised by a pyrotechnic operator licensed in
accordance with the laws of the state of Washington.
(Res. No.40-16,Attach.A,7-12-2016)
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Title 14- BUILDINGS AND CONSTRUCTION
Chapter 14.22 FLOOD DAMAGE PREVENTION
Chapter 14.22 FLOOD DAMAGE PREVENTION$
Article 11. Definitions
14.22.040 Definitions.
Unless specifically defined below,words or phrases used in this ordinance shall be interpreted so as to give
them the meaning they have in common usage and to give this chapter its most reasonable application:
"A-Zone"or"zone A" means those areas shown on the flood insurance rate maps(FIRM)as that area of land
within the floodplain which would be inundated by the base flood (100-year or one percent annual chance)flood.
"Accessory structure" means nonresidential structures such as detached garages,sheds,garden buildings,
pole buildings, and barns which are considered normal for farming and ranching activities.Also known as
"appurtenant structures."
"Administrator" means the director of the Mason County Department of Community Development or
designee.
"Appeal" means the right to request for a review of the administrator's interpretation of any provision of this
chapter or a request for a variance.
"Area of shallow flooding" means a designated AO or AH zone on the flood insurance rate map (FIRM).The
base flood depths range from one to three feet;a clearly defined channel does not exist;the path of flooding is
unpredictable and indeterminate;and velocity flow may be evident.AO is characterized as sheet flow and AH
indicates ponding.
"Area of special flood hazard" means the land in the floodplain subject to a one percent or greater chance of
flooding in any given year. Designation on maps always includes the letters A or V.Also known as"special flood
hazard area."
"Avulsion" means a sudden cutting off of land by flood, currents, or change in course of a body of water.
"Avulsion risk areas" are the areas which have been determined to have too high a risk of avulsion to permit
new structures or expansion of existing structures.
"Base flood" means the flood having a one percent chance of being equaled or exceeded in any given year.
Also referred to as the"100-year flood." Designation on maps always includes the letters A or V.
"Base flood elevation" means the computed elevation to which floodwater is anticipated to rise during the
base flood. Base flood elevations(BFEs)are shown on flood insurance rate maps(FIRMS)and on the flood profiles.
The BFE is the regulatory requirement for the elevation or floodproofing of structures.The relationship between
the BFE and a structure's elevation determines the flood insurance premium.
'Editor's note(s)—Attachment B of Ord. No. 09.14,adopted Feb. 11, 2014, amended ch. 14.22 to read as herein se
out. Former ch. 14.22 pertained to the same subject matter, consisted of§§ 14.22.010-14.22.190, and
derived from Ord. 59-91, 1991;Ord. 16-00, 2000;Ord. 10-02, 2002;Ord.9-03, 2003;Ord. 81-07, 2007;and
Ord.87-08, 2008.
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"Basement" means any area of the building having its floor subgrade(below ground level) on all sides.
"Breakaway wall" means a wall that is not part of the structural support of the building and is intended
through its design and construction to collapse under specific lateral loading forces,without causing damage to the
elevated portion of the building or supporting foundation system.
"Building" means a walled and roofed structure, including a gas or liquid storage tank,that is principally
above ground,as well as a manufactured home.The terms"structure" and "building"are interchangeable in the
national flood insurance program (NFIP). Residential and nonresidential structures are treated differently.A
residential building built in a floodplain must be elevated above the base flood elevation (BFE). Nonresidential
buildings may be elevated or floodproofed.
"Coastal high hazard area" means an area of special flood hazard extending from offshore to the inland limit
of a primary frontal dune along an open coast and any other area subject to high velocity wave action from storms
or seismic sources.The area is designated on the FIRM as Zone V1-30,VE or V.
"Critical facility" means facilities for which even a slight chance of flooding might be too great. Critical
facilities include, but are not limited to schools, nursing homes, hospitals, police,fire and emergency response
installations, installations which produce, use, or store hazardous materials or hazardous waste.
"Development" means any man-made change to improved or unimproved real estate,including, but not
limited to, buildings or other structures, diking, mining, dredging,filling,grading, paving, excavation or drilling
operations or storage of equipment or materials.The area contained within ring levees is considered to be part of
the development area due to its impact on flood waters.
"Development permit"see definition for"permit" under this chapter.
"Elevated building" means for insurance purposes, a non-basement building which has its lowest elevated
floor raised above ground level by foundation walls,shear walls, post, piers, pilings, or columns.
"Elevation certificate" means the official FEMA form (FEMA Form 086-0-33) used to track development,
provide elevation information necessary to ensure compliance with community flood plain management
ordinances,and determine the proper insurance premium rate.
"Emergency" means an unanticipated and imminent threat to public health,safety, or the environment
which requires immediate action within a time period too short to allow for normal development permit
application and review.All emergency development shall be consistent with all Mason County Development
Regulations.
"Engineering reports"are reports compiled under this chapter to address flood-related issues shall be by an
engineer licensed in the state of Washington with knowledge and experience in hydrology.The method and rigor
of all investigation,analysis and design shall be in accordance with current generally accepted engineering
standards.
"Flood" or"flooding" means a general and temporary condition of partial or complete inundation of normally
dry land areas from:
(1) The overflow of inland or tidal waters;
(2) The unusual and rapid accumulation of runoff of surface waters from any source;
(3) Mudslides(i.e., mudflows)which are proximately caused by flooding and are akin to a river of liquid
and flowing mud on the surfaces of normally dry land areas, as when earth is carried by a current of
water and deposited along the path of the current;
(4) The collapse or subsidence of land along the shore of a lake or other body of water as a result of
erosion or undermining caused by waves or currents of water exceeding anticipated cyclical levels or
suddenly caused by an unusually high water level in a natural body of water,accompanied by a severe
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storm,or by an unanticipated force of nature,such as flash flood or an abnormal tidal surge,or by
some similarly unusual and unforeseeable event which results in flooding as defined by(1) above.
A flood inundates a floodplain. Most floods fall into three major categories: riverine flooding, coastal
flooding, and shallow flooding.Alluvial fan flooding is another type of flooding more common in the
mountainous western states.
"Flood insurance rate map(FIRM)" means the official map on which the federal insurance administrator has
delineated both the areas of special flood hazards and the risk premium zones applicable to the community.
"Flood insurance study(FIS)" means an examination,evaluation, and determination of flood hazards and, if
appropriate,corresponding water surface elevations,or an examination,evaluation and determination of
mudslide(i.e., mudflow)and/or flood-related erosion hazards(also known as the flood elevation study).
"Floodplain" means any land area susceptible to being inundated by floodwaters from any source.
"Floodplain management" means the operation of an overall program of corrective and preventive measures
for reducing flood damage, including but not limited to emergency preparedness plans,flood control works and
floodplain management regulations.
"Floodplain management—regulations" means zoning ordinances,subdivision regulations, building codes,
health regulations,special purpose ordinances(such as a floodplain ordinance,grading ordinance and erosion
control ordinance)and other applications of police power.The term describes such state or local regulations, in
any combination thereof,which provide standards for the purpose of flood damage prevention and reduction.
"Flood proofing" means any combination of structural and nonstructural additions,changes, or adjustments
to structures which reduce or eliminate flood damage to real estate or improved real property,water and sanitary
facilities,structures, and their contents.
"Flood protection elevation" means one foot above the base flood elevation.
"Floodway" means the channel of a river or other watercourse and the adjacent land areas that must be
reserved in order to discharge the base flood without cumulatively increasing the water surface elevation more
than a designated height.
"Footprint" means the total area of the first floor of a structure, regardless of how the structure is supported,
or the total perimeter of any development other than a structure.
"Frequently flooded areas"are critical areas designated by Mason County in its Resource Ordinance.
"Functionally dependent use" means a use which cannot perform its intended purpose unless it is located or
carried out in close proximity to water.This term includes only docking facilities, port facilities that are necessary
for the loading and unloading of cargo or passengers, and shipbuilding and ship repair facilities, but does not
include long-term storage or related manufacturing facilities. Under limited circumstances,variances may be
issued for functionally dependent uses provided that the structure is protected by methods that minimize flood
damages during the base flood and there are no additional threats to public safety.
"Highest adjacent grade" means the highest natural elevation of the ground surface prior to construction
next to the proposed walls of a structure. In AO zones, all new construction and substantial improvements of
residential structures shall have the lowest floor including basement elevated above the highest adjacent grade at
least as high as the depth number specified in feet on the community's FIRM;or at least two feet if no depth
number is specified.All new construction and substantial improvements of nonresidential structures shall meet
the above requirements or,together with attendant utility and sanitary facilities, be floodproofed to the same
elevation.
"Historic structure" means any structure that is:
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(1) Listed individually in the National Register of Historic Places(a listing maintained by the department of
interior)or preliminarily determined by the secretary of the interior as meeting the requirements for
individual listing on the National Register;
(2) Certified or preliminarily determined by the secretary of the interior as contributing to the historical
significance of a registered historic district or a district preliminarily determined by the secretary to
qualify as a registered historic district;
(3) Individually listed on a state inventory of historic places in states with historic preservation programs
which have been approved by the secretary of the interior; or
(4) Individually listed on a local inventory of historic places in communities with historic preservation
programs that have been certified either:
a. By an approved state program as determined by the secretary of the interior or
b. Directly by the secretary of the interior in states without approved programs.
"Lot" means a designated parcel,tract,or area of land established by plat,subdivision or as otherwise
permitted by law,to be used,developed or built upon as a unit.
"Lowest floor" means the lowest floor of the lowest enclosed area (including basement).An unfinished or
flood-resistant enclosure, usable solely for parking of vehicles, building access or storage, in an area other than a
basement area is not considered a building's lowest floor, provided that such enclosure is not built so as to render
the structure in violation of the applicable non-elevation design requirements of this chapter found at Section
14.22.170(1)(B).
"Manufactured home" means a structure,transportable in one or more sections,which is built on a
permanent chassis and is designed for use with or without a permanent foundation when connected to the
required utilities.The term "manufactured home"does not include a "recreational vehicle".
"New construction" means,for the purposes of determining insurance rates,structures for which the"start
of construction"commenced on or after the effective date of an initial FIRM or after December 31, 1974,
whichever is later, and includes any subsequent improvements to such structures. For floodplain management
purposes, new construction means structures for which the"start of construction"commenced on or after the
effective date of a floodplain management regulation adopted by a community and includes any subsequent
improvements to such structures.
"Permit" means a written authorization from Mason County for any construction or development activity on
all lands regulated by this chapter.Such permits shall include, but are not limited to, excavation and grading,
permits for fills and excavations under Appendix J of the International Building code shoreline permits for
developments regulated by the Mason County Shoreline Master Program, building permits for all structures under
the International Building Code or Title 14, Mason County Code, or written authorization for development under
this chapter.
"Person" means any individual, partnership, corporation, association,organization, cooperative, public or
municipal corporation,or any other entity, including agencies of the state or local government unit however
designated.
"Recreational vehicle" means a vehicle which is:
(1) Built on a single chassis;
(2) Four hundred square feet or less when measured at the largest horizontal projection;
(3) Designed to be self-propelled or permanently towable by a light duty truck;and
(4) Designed primarily not for use as a permanent dwelling but as temporary living quarters for
recreational, camping,travel,or seasonal use.
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"Repetitive loss" means flood-related damages sustained by a structure on two occasions during a ten-year
period for which the costs of repairs at the time of each such flood event on the average,equals or exceeds
twenty-five percent of the market value of the structure before the damage occurred.
"Special flood risk zone" means the regulatory floodway and zones A and AE floodplain of the Skokomish
River,Vance Creek and tributaries, as identified on flood insurance rate maps 530115 panels 0425,0428,0429,
0433,0434,0436,0437,0441,and 0442,dated June 20, 2019,or as amended.
"Start of construction"includes substantial improvement,and means the date the building permit was
issued, provided the actual start of construction, repair, reconstruction, placement or other improvement was
within one hundred eighty days of the permit date.The actual start means either the first placement of permanent
construction of a structure on a site,such as the pouring of slab or footings,the installation of piles,the
construction of columns, or any work beyond the stage of excavation;or the placement of a manufactured home
on a foundation. Permanent construction does not include land preparation,such as clearing,grading and filling;
nor does it include the installation of streets and/or walkways; nor does it include excavation for a basement,
footings, piers,or foundation or the erection of temporary forms;nor does it include the installation on the
property of accessory buildings,such as garages or sheds not occupied as dwelling units or not part of the main
structure. For substantial improvement,the actual start of construction means the first alteration of any wall,
ceiling,floor,or other structural part of a building,whether or not the alteration affects the external dimensions of
the building.
"Structure" means a walled and roofed building including a gas or liquid storage tank that is principally above
ground,as well as a manufactured home.
"Substantial damage" means damage of any origin sustained by a structure whereby cost of restoring the
structure to its before damaged condition would equal or exceed fifty percent of the market value of the structure
before the damage occurred.
"Substantial improvement" means any reconstruction, rehabilitation,addition or other improvement of a
structure,taking place during a ten-year period, in which the cumulative cost equals or exceeds fifty percent of the
market value of the structure before the"start of construction"of the improvement.This term includes structures
which have incurred "substantial damage," regardless of the actual repair work performed.
Chapter 14.24 FLOOD AND SLIDE CONTROL
14.24.050 Responsibility and authority of planning director.
The planning director is vested with the responsibility, authority, and means to:
A. Delineate or assist the administrator,at their request, in delineating the limits of the areas having
special flood (and/or mudslide)hazards on available local maps of sufficient scale to identify the
location of building sites;
B. Provide such information as the administrator may request concerning present uses and occupancy of
the flood plain (and/or mudslide area);
C. Cooperate with federal,state, and local agencies and private firms which undertake to study,survey,
map and identify flood plain or mudslide areas, and cooperate with neighboring communities with
respect to management of adjoining flood plain and/or mudslide areas in order to prevent aggravation
of existing hazards;
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D. Submit on the anniversary date of the community's initial eligibility an annual report to the
administrator on the progress made during the past year within the community in the development
and implementation of flood plain (and/or mudslide area) management measures.
(Res. 524(2), 1975).
Chapter 14.25 MOBILE HOMES9
14.25.010 Definitions.
"Alteration" is the replacement, addition, modification, or removal of any equipment or installation that
affects the construction, planning considerations,fire safety, or the plumbing, mechanical, and electrical systems
of a mobile home.The installation of whole house water treatment that requires cutting into the existing plumbing
is considered an alteration and requires a permit, an inspection and an alteration insignia from the Washington
State Department of Labor and Industries, Factory Assembled Structures Division.The following are not considered
alterations: Repairs to equipment with approved parts, modification of a fuel burning appliance according to the
listing agencies specifications, adjustments, and maintenance of equipment.
"Alteration insignia" is an insignia issued by the Washington State, Department of Labor and Industries to
verify that an alteration to a mobile home meets the requirements of Federal Law'^�w 24CFR3285 and
Chapter 296-150M WAC.
"Forced relocation" is when an existing mobile home park facility is either closed or converted resulting in
the existing mobile homes located within the facility to be relocated. Reference RCW Chapter 59-21 for additional
terms and information.
"HUD "is the United Stated Department of Housing and Urban Development with headquarters located in
Washington, D.C.
"Installation permit" is an authorization from the Mason County Department of Community Development
and applicable review agencies or departments to locate a mobile home in Mason County. Commonly referred to
as a building permit for the setup of a mobile home.
"Labor and Industries(L&I)"is the State of Washington, Department of Labor and Industries.
"Mobile home" is a factory dwelling built prior to June 15, 1976 to standards other than the HUD Code and
acceptable under applicable state codes in effect at the time of construction or introduction of the home into the
state. Mobile homes have not been built since the introduction of the HUD Manufactured Home Construction and
Safety Standards Act.
Additional terms are defined in Chapter 296-150M WAC.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013)
'Editor's note(s)—Ord. No.44-10, adopted May 25, 2010,amended Chapter 14.25 in its entirety to read as herein
set out. Former Chapter 14.25 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04, 2004;and Ord.64-07, 2007.
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Title 14-BUILDINGS AND CONSTRUCTION
Chapter 14.28 ADDRESSING ORDINANCE
Chapter 14.28 ADDRESSING ORDINANCE10
14.28.040 Address posting requirements.
(a) At such time that the department of community development assigns an address,the property owner shall
place,within thirty days the assigned mile point number, in contrasting reflective material, at the driveway
entrance so that it is clearly visible from the roadway in both directions.
(b) When there is a long-shared driveway,easement or any situation where there could be confusion in finding
an entrance, mile point numbers shall be posted together at the main access point, and at each turn and/or
driveway entrance, in contrasting reflective material,to provide direction to the parcel.
(c) Recreational properties, parcels without structures and any other parcels with an assigned address shall affix
said address with thirty days of assignment as described herein.
(d) Posting is required to the front of any structure within thirty days of its erection.
(e) Mile point number and or alphabetic unit designation posting shall contrast with any background,should be
clearly visible on the front of the structure and shall meet the setback requirements as described in
14.28.040 subsection (j).
(f) Residential address numbers shall be Arabic numerals.Alphabetic designations will be of the English
alphabet.
(g) Single-family residence mile point numbers shall be a minimum of four inches high with a minimum stroke
width of one-half inch.
(h) Waterfront properties with fire boat access shall post mile point numbers in a minimum of six inches with a
three-fourths inch stroke,the mile point number, in contrasting reflective material, on the front of a dock or
post visible from the water.
(i) New and existing commercial buildings shall have approved numbers and or letters, building numbers and or
letters or approved building identification posted in conformance with 14.28.040 subsection (j)
(j) Multifamily residential and commercial structure mile point number or unit designation posting
requirements:
Fifty feet or less,setback shall post a six-inch minimum with a three-fourths inch stroke.
Fifty feet or more,setback shall post a twelve-inch minimum with a one and one-half inch stroke.
Designating unit on a building will be no less than six inches in height with minimum three-fourths inch
stroke.
Designating unit on a door will be no less than four inches in height with minimum one-half inch stroke.
One-hundred-foot setback or less shall post eighteen-inch minimum with two-inch stroke.
1oEditor's note(s)—Ord. No.44-10, adopted May 25, 2010, amended Chapter 14.28 in its entirety to read as herein
set out. Former Chapter 14.28 pertained to similar subject matter and derived from Ord. 107-97, 1997;and
Ord.64-07,2007)
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One-hundred-foot setback or greater shall post twenty-four-inch minimum with three-inch stroke.
(k) For all properties where more than two buildings exist or as otherwise required by the fire marshal,a map of
the facility shall be provided at the entrance from the public roadway to serve as a directory to assist in the
rapid and safe response of emergency responders.The map shall be approved by the fire marshal and clearly
show all buildings, roadways, access points, hydrants, and other fire protection features.
(Ord. No.44-10, 5-25-2010;Ord. No.32-13,6-18-2013)
14.28.050 Administration.
(a) The Mason County Community Development Director, or their designee,shall be the administrator of this
ordinance.The department of community development or designee of the department shall be responsible
for designating the development and maintenance of maps indicating road names,a catalogue of road
names,assigning names to roads,and be responsible for insuring that proposed road names are in
conformance with the road designations and to avoid duplication of existing road names.
(b) It will be the responsibility of the department of community development to set forth the addressing fee in
accordance with the department's fee schedule.
(c) Whenever, in the course of administration and enforcement of this ordinance, it is found desirable to make
any administrative decision, unless other standards are provided in this ordinance, a decision shall be made
so that the result will not be in conflict with the intent and purpose of this ordinance.
(d) If any section,subsection, or other portion of this ordinance is for any reason held invalid or unconstitutional
by any court of the competent jurisdiction,such section,subsection or portion shall be deemed a separate
portion of this ordinance.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013)
14.28.060 Definitions.
"Address" means the assigned mile point number, district indicator, road name and road designation.
"Named road" means any road in the U.S.,state and county road system in Mason County and any private
road recognized by the Mason County Department of Community Development.
"Addressable parcel" means any parcel having access to any road, private road, private easement, or shared
driveway within unincorporated Mason County, including the state and U.S. road system.
"Road," "street," "drive," "avenue," "boulevard" means a straight or irregular connecting road that does not
dead-end,or a dead-end road that is likely to be extended to another road in the future.
"Court," "place," "lane," "way" means a road terminating in a non-extendable cul-de-sac,or a road that dead
ends that will not likely be extended in the future.
"Private road" means any road,access,easement, or shared driveway named by procedure as described in
[Section] 14.28.120 of this ordinance,which is not part of the state, U.S. or county road maintenance system.
"State route"and "U.S. Highway" means a road belonging to the Washington State Route system,or U.S.
highway system.
"Loop," "circle" means a road which connects back to itself or returns back to the same road(at any point)
from which it originated.
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"Point of origin" means the point at which a road begins as accessed from another road(from major to minor
roads).These road origins shall be established by the Mason County Department of Community Development.Any
road that originates inside and incorporated municipality and extend into the county shall have address numbers
that coordinate with that municipality.
"Mile point number" means the numeric portion of an assigned address.
"Parcel development" means any land use permit or action, including, but not limited to,construction
permits,that require permitting from Mason County Departments or Agencies.
(Ord. No.44-10, 5-25-2010;Ord. No. 32-13, 6-18-2013)
14.28.090 Districts.
Mason County shall be divided into five districts as determined by the official map.
(1) N -North District(the area north of the Skokomish River and on the Westside of the Hood Canal):
(a) North Side-starts at the where the Hood Canal meets the northern county boundary and follows
the northern county boundary west to the northwestern corner of the county.
(b) South Side-starts at the mouth of the Skokomish River(where it meets the Hood Canal)and
follows the Skokomish River west(upstream).At the north/south split in the Skokomish River the
boundary follows the south fork of the Skokomish River upstream to the township 22/21 north
line.The boundary then follows the township 22/21 north line west to the western county
boundary.
(c) East Side-starts at the where the Hood Canal meets the northern county boundary and follows
the west side of the Hood Canal south to the mouth of the Skokomish River.
(d) West Side-starts at the northwestern corner of the county and follows the western county
boundary south to Township 22/21 north line, except that all addresses on Highway 101 north of
the State Route 3 interchange are in the north addressing district.
(2) W-West District(the area west of U.S. Hwy. 101 and south of the Skokomish River).
(a) North Side-starts at where U.S. Hwy. 101 crosses the Skokomish River.The boundary then
follows the Skokomish River west(upstream).At the north/south split in the Skokomish River the
boundary follows the south fork of the Skokomish River upstream to the Township 22/21 north
line.The boundary then follows the Township 22/21 north line west to the western county
boundary.
(b) South Side-starts at the southwestern corner of the county and follows the southern county
boundary east to where it meets U.S. Hwy. 101.
(c) East Side-starts at where U.S. Hwy. 101 crosses the Skokomish River.The boundary then follows
the west side of U.S. Hwy. 101 south to the intersection with West C St. (at the Shelton City
limits).The boundary then follows the Shelton City limits south to the end South 2nd St. (where
the city limits make a ninety-degree turn, near W Tree Frog Ln.).The boundary then goes straight
south to Mill Creek following parcel boundaries that roughly parallel South 2nd St. (South 2nd St.
does not extend south of W Wilson St.).The boundary then follows Mill Creek upstream to its
intersection with U.S. Hwy. 101.The boundary then follows the west side of U.S. Hwy. 101 south
to the southern county boundary.
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(d) West Side-starts at the southwestern corner of the county and follows the western county
boundary north to the Township 22/21 north line, except that any parcel addressed off of State
Route 3 between U.S. Hwy. 101 and the southern Shelton City Limits will be in the southeast
addressing district.All addresses on U.S. Hwy. 101 south of the State Route 3 interchange are in
the west addressing district.The west side of Lake Cushman is addressed in the west addressing
district although the lake itself is located in the north addressing district due to access issues.
(3) E-East District(the area between Belfair and Shelton, including Allyn,Grapeview,and Union).
(a) North Side-starts at where U.S. Hwy. 101 crosses the Skokomish River.The boundary then
follows the Skokomish River downstream to the Hood Canal.The boundary then follows the
center of the Hood Canal east to the Township 23/22 north line.Then go east along the
T23N/T22N line to the eastern county boundary.
(b) South Side-starts at the mid-point(over the water)of where Oakland Bay meets the city of
Shelton boundary.The boundary then follows Hammersley Inlet east to Pickering Passage.The
boundary turns north along Pickering Passage and runs between Harstine and Squaxin Island
(through Peale Passage)to the south county boundary.
(c) East Side-starts where the T23N/T22N line intersects the eastern county boundary and follows
the eastern county boundary south to where the"south side" boundary turns north (leaving the
county boundary)to go between Harstine and Squaxin Island(through Peale Passage).
(d) West Side-start at where U.S. Hwy. 101 crosses the Skokomish River.The boundary then follows
the east side of U.S. Hwy. 101 south to the intersection with the Shelton City Limits.The
boundary then follows the Shelton City Limits east to the mid-point over Oakland Bay where the
"south side" boundary picks up,except that Harstine Island is part of the east addressing district.
(4) NE-Northeast District(Belfair and the Tahuya Peninsula Area).
(a) North Side-starts where the Hood Canal meets the Township 23/24 north/county boundary line
and follows the Township/county boundary line east to the northeast corner of the county.
(b) South Side-starts in the middle of the Hood Canal near Union and follows the canal east to the
Township 23/22 north line. From there the boundary follows the Township 23/22 north line east
to the eastern county boundary.
(c) East Side-the boundary starts at the northeast corner of the county and follows the county
boundary south to the Township 23/22 north line.
(d) West Side-starts where the Hood Canal meets the Township 23/24 north/county boundary line
and follows the east side of the Hood Canal down to near Union where it meets the south side
boundary in the middle of Hood Canal.
(5) SE-Southeast District(the Arcadia/Lynch Road area including the Kamilche Peninsula).
(a) North Side-starts where south end of South 2nd St.touches Shelton City limits. From there the
boundary follows the Shelton City Limits east to Hammersley Inlet.Then the boundary follows
Hammersley Inlet east to Pickering Passage.
(b) South Side-starts where Totten Inlet meets Pickering Passage near Arcadia Point. From there the
boundary follows the southern county boundary(through the middle of Totten Inlet)to where
U.S. Hwy. 101 meets the southern county boundary.
(c) East Side-starts in the middle of Pickering Passage near Arcadia Point and goes north along
Pickering Passage to Peale Passage.Then the boundary goes south along Peale Passage(between
Squaxin and Harstine Island)to the southern county boundary.
Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 20 of 35
(d) West Side-starts at where U.S. Hwy. 101 meets the southern county boundary. From there the
boundary follows the east side of U.S. Hwy. 101 north to Mill Creek.The boundary then follows
Mill Creek east(downstream).The boundary goes straight north following parcel boundaries to
the Shelton City Limits at the end of South 2nd St. except that Hope and Squaxin Island are in the
southeast addressing district.
(Ord. No.44-10, 5-25-2010;Ord. No.32-13, 6-18-2013)
14.28.100 Addressing.
Addresses shall consist of four items in this order: Mile point number, district indicator, road name and road
designation. Large complexes shall also be assigned an alphabetic unit designation as described below:
Example:3410 SE Outback Road
(a) The mile point number for a parcel shall be determined by the distance measured to the nearest one-
tenth of a mile from the point of origin of the named road to the driveway access of that parcel. Mile
point numbers shall be determined by the side of the road that the driveway access is located. Right
side access shall be even numbered ending in zero; left side access shall be odd numbered ending in
one.With the exception of a shared driveway or easement which may use up to a five number
sequence of right 0, 2,4, 6 and 8 or left, 1,3,5,7 and 9.Shared driveway or easement numbers shall
be issued at the discretion of the department of community development and may be subject to
[Section] 14.28.120.
(b) Residential multiunit structures,condos,town homes and duplexes(except those with individual
driveways)etc.,shall be numbered with a single address for the complex,then an individual building
alphabetical designation and a single unit numeral.
For example:
91 E Sterling Rd. Unit A-1,indicating the complex address of 91, building designation of A and unit
number 1.
(c) Multistory apartment complexes with a common entranceway shall be addressed as individual building
numbers and unit addresses.
For example:
On the right side of Sterling Rd., building one is 90 E.Sterling Rd., building two is 92 E.Sterling Road,
building three is 94 E.Sterling Rd., etc., Floor one of building one is numbered from left to right starting
100, 102, 104, 106 etc. Floor two is numbered left to right 200, 202, 204, 206, etc. On the left side of
Sterling Road, building one is 91 E.Sterling Rd., building two is 93 E.Sterling Rd., building three is 95 E.
Sterling Rd., etc., Floor one of building one is numbered left to right 101, 103, 105, 107 etc. Floor two is
number left to right 201, 203, 205, 207, etc.
(d) Commercial multi-unit buildings will have one numeric address per building with alphabetic unit
designations.
For example:
24230 NE State Route 3 units from left to right A, B, C, D, E and F.
(e) For large industrial complexes each building shall have an individual address with alphabetic unit
designations for individual tenants of the building or as otherwise designated and approved by the fire
code official or fire marshal.
Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 21 of 35
(Ord. No.44-10, 5-25-2010;Ord. No.32-13, 6-18-2013)
14.28.110 Road signs.
(a) All roads maintained by Mason County shall display the proper signing, including road name and district
indicator.
(b) Mason County shall be responsible for the placement and maintenance of all road signs required for
implementing this ordinance for county-maintained roadways.
(c) Roadways within Mason County, maintained and signed by the Washington State Department of
Transportation,will be the responsibility of that department.
(d) Private roads not maintained by Mason County shall be signed in conformance with this ordinance within
thirty days of naming the private roadway.
(e) Parcel owners using the private roadway shall be responsible for the cost and maintenance of private road
signs.
(f) Streets and roads shall be identified with approved signs and directional maps when required pursuant to
section 14.28.040.
(g) Temporary signs shall be installed at each street intersection when development of new roadways allows
passage by vehicles.Signs shall be a minimum of twenty-four inches in length or a maximum of sixty inches
to accommodate varying name lengths. Height shall be a minimum of eight inches with five-inch letters
describing the geographical indicator first then the road name ending in the road type indicator as described
in the State Sign Fabrication Manual M55.05.
For example:
E Island Lake Dr.
SE Brewer Rd.
W Countryside Ct.
(h) Signs shall be of green permanent waterproof materials with white reflective lettering.All sign supports shall
be of a breakaway design, having the ability to break away if struck by a vehicle.
(i) The sign shall be a minimum height of seven feet from the bottom of the sign to surface of the ground,for
visibility.
(j) The sign shall be located as to not interfere with site distance or road maintenance operations.
(k) Private road signing, placement and maintenance shall be the responsibility of the property owner(s).
(Ord. No.44-10,5-25-2010;Ord. No.32-13,6-18-2013)
Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 22 of 35
Title 14-BUILDINGS AND CONSTRUCTION
Chapter 14.30 PARK TRAILER/RECREATIONAL PARK TRAILER INSTALLATIONS FOR PARK TRAILERS/RECREATIONAL
PARK TRAILERS
Chapter 14.30 PARK TRAILER/RECREATIONAL PARK TRAILER INSTALLATIONS
FOR PARK TRAILERS/RECREATIONAL PARK TRAILERS"
14.30.010 Definitions.
"Insignia" is a label attached to each recreational park trailer/park trailer,indicating the unit meets
Washington State Department of Labor and Industries rules and regulations and conforms to the American
National Standards Institute Standard A119.2 for recreational vehicles and A119.5 for park trailers and Chapter
296-150P WAC for recreational park trailers.
"Installation permit"an authorization from the Mason County Department of Community Development to
locate a recreational park trailer/park trailer in Mason County. Commonly referred to as a building permit.
"Park trailer,"see recreational park trailer.
"Recreational park trailer"is a trailer type unit that is primarily designed to provide temporary living quarters
for recreational, camping, or seasonal use. It is built on a single chassis, mounted on wheels, having a gross trailer
area not exceeding four hundred square feet in the set-up mode measured to the outside of trim boards and is
certified by the manufacturer as complying with ANSI A119.5.
Additional definitions are defined in Chapter 296-150P Washington Administrative Code(WAC).
(Ord. No.44-10, 5-25-2010;Ord. No. 32-13,6-18-2013)
14.30.030 County standards for installation of recreational park trailers/park trailers.
The establishment and use of a recreational park trailer/park trailer brought into Mason County or moved
within Mason County for human habitation shall be permitted once the following conditions have met
departmental approval:
(a) All recreational park trailers/park trailers shall be installed following the printed manufacturers
installation instructions.A copy of these instructions shall be on site for review by the Mason County
Building Inspector performing the inspections.
(b) If the manufacturer installation instructions are not available the owner may install the unit in
accordance with installation instructions to be provided by a licensed design professional in accordance
with ANSI A119.5 Section 5-8 and WAC 296 150F.These installation instructions must be on site for
review by the building inspector.
(Ord. No.44-10, 5-25-2010;Ord. No.32-13, 6-18-2013;Ord. No. 2021-007,Att.A, 1-19-2021)
"Editor's note(s)—Ord. No.44-10, adopted May 25,2010, amended Chapter 14.30 in its entirety to read as herein
set out. Former Chapter 14.30 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04,2004;and Ord. 64-07, 2007.
Mason County,Washington,Code of Ordinances Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 23 of 35
Title 14-BUILDINGS AND CONSTRUCTION
Chapter 14.40 FACTORY-BUILT HOUSING,COMMERCIAL COACHES AND COMMERCIAL STRUCTURES
Chapter 14.40 FACTORY-BUILT HOUSING, COMMERCIAL COACHES AND
COMMERCIAL STRUCTURES12
14.40.010 Definitions.
"Commercial coach"is a structure(referred to as a unit)that can be transported in one or more sections; is
used for temporary commercial purposes; is built on a permanent chassis;conforms to the construction standards
of Chapter 296-150C WAC; may include plumbing, mechanical, electrical,and other systems.
"Commercial structure" is a structure designed or used for human habitation(such as a dormitory)or human
occupancy for industrial,educational, assembly, professional,or commercial purpose.WAC296-150E-0030.
"Factory built housing" is housing designed for human occupancy such as a single-family dwelling.The
structure of any room is entirely or substantially prefabricated or assembled at a place other than a building site. It
may also include a component.A factory-built house is also referred to as a "modular"structure. Factory built
housing does not include manufactured and mobile housing.
"Insignia" is a label attached to the structure by the department of labor and industries to verify the
requirements of Chapter 296-15OF WAC for factory built housing and commercial structures. It could also be a
stamp or label attached to a component to verify that it meets the requirements of Chapter 296-15OF WAC. Proof
of department of labor and industries insignia shall be required for all new and used factory built housing and
commercial structures.Commercial coach insignia information can be obtain in WAC 296-150F.
"Installation permit" is authorization from the Mason County Department of Community Development,the
Mason County Department of Public Works and Mason County Fire Marshal to locate a factory-built house,
commercial coach or commercial structure in Mason County. Commonly referred to as a building permit.
Additional terms are defined in Chapter 296-15OF WAC and Chapter 296-150C WAC and by reference these
chapters shall be included as part of this chapter.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13, 6-18-2013)
Chapter 14.44 EXCAVATION AND GRADING13
12Editor's note(s)—Ord. No.44-10, adopted May 25, 2010, amended Chapter 14.40 in its entirety to read as herein
set out. Former Chapter 14.40 pertained to the same subject matter and derived from Ord.45-99, 1999;Ord.
59-04, 2004;and Ord.64-07, 2007.
13Editor's note(s)—Ord. No.44-10, adopted May 25,2010, amended Chapter 14.44 in its entirety to read as herein
set out. Former Chapter 14.44 pertained to the same subject matter and derived from Res. 141-96, 1996;
and Ord. 64-07, 2007.
Mason County,Washington,Code of Ordinances Created: 2023-04-05 09:20:10 [EST]
(Supp. No.62-2-23)
Page 24 of 35
14.44.030 Definitions.
For the purposes of this chapter the definitions listed hereunder shall be construed as specified in this
section.
"Approval" means the proposed work or completed work conforms to this chapter in the opinion of the
official.
"As-graded" is the extent of surface conditions on completion of grading.
"Bedrock" is in-place solid rock.
"Bench" is relatively level step excavated into earth or rock material as part of the placement of stable fill.
"Borrow" is earth material acquired from another location for use in grading on a site.
"Civil engineer" is a professional engineer registered in the state of Washington to practice in the field of civil
engineering.
"Civil engineering" is the application of knowledge of the forces of nature, principles of mechanics and the
properties of materials to the evaluation, design,and construction of civil works.
"Compaction" is the densification of a fill by mechanical means.
"Critical areas" are areas where unstable soils,steep slopes,streams,wetlands, ponds,freshwater and
saltwater shorelines, and floodplains are present.
"Earth material" is any rock, natural soil or fill or any combination thereof.
"Engineering geologist"is a geologist experienced in engineering geology in the state of Washington.
"Engineering geology"is the application of geologic knowledge and principles in the investigation and
evaluation of naturally occurring rock and soil for use in the design of civil works.
"Erosion" is the wearing away of the ground surface as a result of the movement of wind,water or ice.
"Excavation" is the mechanical removal of earth material.
"Fill" is a deposit of earth material placed by artificial means.
"Geotechnical engineer."See"Soils engineer."
"Grade" is the vertical location of the ground surface.
"Existing grade" is the grade prior to grading.
"Finish grade" is the final grade of the site which conforms to the approved plan.
"Rough grade" is the stage at which the grade approximately conforms to the approved plan.
"Grading" is any excavating or filling or combination thereof.
"Key" is a designed compacted fill placed in a trench excavated in earth material beneath the toe of a
proposed fill slope.
"Official" is the Director of the Mason County Department of Community Development, Public Works
Director or their qualified representative/s,or agent/s.
"Professional inspection" is the inspection required by this code to be performed by the civil engineer,soils
engineer or engineering geologist.Such inspections include that performed by persons supervised by such
engineers or geologists and shall be sufficient to form an opinion relating to the conduct of the work.
Created: 2023-04-OS 09:20:10 [EST]
(Supp.No.62-2-23)
Page 25 of 35
"Site" is any lot or parcel of land or contiguous combination thereof, under the same ownership,where
grading is performed or permitted.
"Slope"is an inclined ground surface the inclination of which is expressed as a ratio of horizontal distance to
vertical distance.
"Soil" is naturally occurring superficial deposits overlying bedrock.
"Soils engineer(geotechnical engineer)" is a civil engineer experienced in the practice of soils engineering
(geotechnical engineering)in the state of Washington.
"Soils engineering(geotechnical engineering)"is the application of the principles of soils mechanics in the
investigation, evaluation and design of civil works involving the use of earth materials and the inspection or testing
of the construction thereof.
"Terrace" is a relatively level step constructed in the face of a graded slope surface for drainage and
maintenance purposes.
(Ord. No.44-10,5-25-2010;Ord. No.32-13,6-18-2013)
14.44.050 Permits—Required when.
(a) Permits Required. Except as specified in subsection (b)of this section, no person shall do any grading
without first having obtained a grading permit from the official.A grading permit shall be required for a
project involving excavation or fill that total,two hundred or more cubic yards of graded material for lots
exceeding one-acre and which do not impact neighboring properties or which are not otherwise exempted
in subsection (b). Grading activities not requiring a grading permit shall comply with the standards listed in
Sections 14.44.170 through 14.44.210. Lots less than one-acre are subject to permits when excavation or
fill exceeds 50 cubic yards unless specifically exempted by subsection (b).
(b) Exempted Work.A grading permit is not required for the following:
(1) When approved by the official or other authorized representative of the county,grading in an isolated,
self-contained area if there is no danger or hazard to adjacent private/public property or other
improvements;
(2) An excavation below finished grade for basements and footings of a building, retaining wall or other
structure authorized by a valid building permit.This shall not exempt any fill made with the material
from such excavation or exempt any excavation having an unsupported height greater than five feet
after the completion of such structure provided the excavation does not impact properties outside of
the lot where work is being performed.
(3) An excavation which: (a)is less than two feet in depth, or(b)which does not create a cut slope greater
than five feet in height and steeper than one and one-half horizontal to one vertical;
(4) A fill less than one foot in depth and placed on natural terrain with a slope flatter than five
horizontal to one vertical,or less than three feet in depth, not intended to support structures, and
which meets the requirements of Item (a) above, on any single lot and does not obstruct or alter a
drainage course;
(5) Cemetery graves;
(6) Refuse disposal sites controlled by other regulations;
(7) Excavations for wells or tunnels or utilities;
Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 26 of 35
(8) Mining, quarrying,excavating, processing,stockpiling of rock,sand,gravel,aggregate or clay where
established and provided for by law, provided such operations do not affect the lateral support or
increase the stresses in or pressure upon any adjacent or contiguous property;
(9) Exploratory excavations under the direction of a soil engineer or engineering geologist;
(10) Grading on public rights-of-way done by or under the supervision or construction control of a public
agency that assumes full responsibility for the work;
(11) Grading necessary for agricultural operations, unless it causes hazards to property or public road, or
obstructs a watercourse or drainage;
(12) Maintenance of existing fire breaks and roads;
(13) Performance of emergency work necessary to protect life and property when urgent necessity arises.
The official shall be notified promptly and the person performing the work shall apply for a permit
within ten calendar days;
(14) Grading associated with a logging operation under a current forest practice permit, except for class IV-
General Permits/s.
Exemption from the permit requirements of this chapter shall not be deemed to grant authorization for any
other work to be done in any manner in violation of the provisions of this chapter or any other laws or ordinances
of Mason County.
(Ord. No.44-10,5-25-2010;Ord. No.32-13, 6-18-2013)
14.44.080 Grading designation.
Grading in excess of five thousand cubic yards shall be performed in accordance with the approved grading
plan prepared by a civil engineer and shall be designated as"engineered grading." Grading involving less than five
thousand cubic yards shall be designated "regular grading" unless the official requires the grading to be performed
as engineered grading.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13,6-18-2013)
14.44.210 Erosion control.
(a) Slopes.The faces of cut and filled slopes shall be prepared and maintained to control against erosion.This
control may consist of effective planting.The protection for the slopes shall be installed as soon as
practicable and prior to calling for final approval. Where cut slopes are not subject to erosion due to the
erosion resistant character of the materials,such protection may be omitted.
(b) Other Devices.Where necessary,check dams,cribbing, riprap or other devices or methods shall be employed
to control erosion and provide safety.
(Ord. No.44-10,5-25-2010; Ord. No.32-13, 6-18-2013)
Created: 2023-04-05 09:20:10 [EST]
(Supp.No.62-2-23)
Page 27 of 35
14.44.220 Grading inspection.
(a) General. Grading operations for which a permit is required shall be subject to inspection by the official.
Professional inspection of grading operations shall be provided by the civil engineer,soils engineer,
engineering geologist or testing laboratory retained to provide such services in accordance with subsection
(e) of this section for engineered grading and as required by the official for regular grading.
(b) Civil Engineer.The civil engineer shall provide professional inspection within such engineer's area of technical
specialty,which shall consist of observation and review as to the establishment of line,grade and surface
drainage of the development area. If revised plans are required during the course of the work they shall be
prepared by the civil engineer and submitted for review to the jurisdiction prior to performing the work.
(c) Soils Engineer.The soils engineer shall provide professional inspection within such engineer's area of
technical specialty,which shall include observation during grading and testing for required compaction.The
soils engineer shall provide sufficient observation during the preparation of the natural ground and provide
sufficient observation during the preparation of the natural ground and placement and compaction of the fill
to verify that such work is being performed in accordance with the conditions of the approved plan and the
appropriate requirements of this chapter. Revised recommendations relating to conditions differing from the
approved soils engineering and engineering geology reports shall be submitted to the permittee,the official
and the civil engineer.
(d) Engineering Geologist.The engineering geologist shall provide professional inspection within such
engineering geologist's area of technical specialty,which shall include professional inspection of the bedrock
excavation to determine if conditions encountered are in conformance with the approved report. Revised
recommendations relating to conditions differing from the approved engineering geology report shall be
submitted to the soils engineer.
(e) Permittee.The permittee shall be responsible for the work to be performed in accordance with the approved
plans and specifications and in conformance with the provisions of this code.The permittee shall engage
consultants, if required,to provide professional inspections on a timely basis and shall act as a coordinator
between the consultants,the contractor and the official. In the event of changed conditions,the permittee
shall be responsible for informing the official of such change and shall provide revised plans for approval.
(f) Official.The official shall inspect the project at the various stages of work requiring approval to determine
that adequate control is being exercised by the professional consultants.
(g) Notification of Noncompliance. If, in the course of fulfilling their respective duties under this chapter,the
civil engineer,the soils engineer, or the engineering geologist finds that the work is not being done in
conformance with this chapter or the approved grading plans,the discrepancies shall be reported
immediately in writing to the permittee and to the official.
(h) Transfer of Responsibility. If the civil engineer,the soils engineer,or the engineering geologist of record is
changed during grading,the work shall be stopped until the replacement has agreed in writing to accept
their responsibility within the area of technical competence for approval upon completion of the work. It
shall be the duty of the permittee to notify the official in writing of such change prior to the
recommencement of such grading.
(Ord. No.44-10,5-25-2010;Ord. No. 32-13,6-18-2013)
Created: 2023-04-05 09:20:11 [EST]
(Supp.No.62-2-23)
Page 28 of 35
Title 14-BUILDINGS AND CONSTRUCTION
Chapter 14.46 STORM AND SURFACE WATER UTILITY
Chapter 14.46 STORM AND SURFACE WATER UTILITY
14.46.010 Establishment and Boundaries.
Pursuant to Chapter 36.89 RCW there is hereby established a storm and surface water utility.The Storm and
Surface Water Utility boundary is county-wide, excepting incorporated City of Shelton,the Skokomish and Squaxin
Island Reservations,Olympic National Park,Olympic National Forest and designated forestland under Chapter
84.33 RCW or timberland under chapter 84.34 RCW.
(Ord.80-08 Attach.A(part), 2008).
14.46.020 Purpose.
The purpose of the Mason County Storm and Surface Water Utility is to:
a. manage and control stormwater runoff to prevent pollution of downstream waters,
b. comply with provisions of the Washington State Pollution Control Law and Federal Water Pollution
Control Act,
c. further the Puget Sound Action Agenda and recovery of Puget Sound, and
d. compliment and further the purpose of the Mason County Clean Water District.
(Ord.80-08 Attach.A(part),2008).
(Ord. 102-09 Attach.A, 11-17-2009)
14.46.030 Authority.
The Board of Mason County Commissioners are authorized under RCW 36.32.120 to make and enforce
ordinances within the unincorporated county related to building, health and safety, public nuisances, and other
subjects. RCW 36.89.030 authorizes counties to establish,acquire, develop,construct and improve stormwater
control facilities and establish rates and charges to pay for the cost of planning,designing,establishing, acquiring,
constructing, maintain,operating or improving stormwater control facilities.
(Ord.80-08 Attach.A(part), 2008).
14.46.031 Utility Responsibilities.
The Board of Mason County Commissioners hereby directs Mason County Public Works/Utilities and Waste
Management to serve as the county department responsible for administering the storm and surface water utility,
in cooperation and coordination with the following:
Mason County,Washington,Code of Ordinances Created: 2023-04-05 09:20:13 [EST]
(Supp. No.62-2-23)
Page 29 of 35
Department
Environmental planning and policy development Environmental Health
Capital facilities planning Community Development
Operations and maintenance Road Operation and Maintenance Division
Code enforcement and technical assistance Community Development and Public Works
Development review and inspection Community Development and Public Works
Monitoring, research and evaluation Environment Health
Program management and administration Utilities and Waste Management
Public involvement and education Environmental Health, Mason Conservation
District and WSU Extension
(Ord.80-08 Attach.A(part), 2008;Ord. 102-09 Attach.A, 11-17-2009).
14.46.040 Utility Rates and Charges.
Reserved
(Ord.80-08 Attach.A(part), 2008).
(Ord. 102-09 Attach.A, 11-17-2009)
Chapter 14.48 STORMWATER MANAGEMENT*
14.48.010 Purpose and Intent.
The purpose and intent of this chapter is to preserve, protect and enhance Mason County's surface and
groundwater. It is the intent of the county to prevent stormwater from becoming a salmon and shellfish habitat
limiting factor and to utilize low impact development practices where feasible. This will be accomplished by:
1. Adopting standards and providing minimum requirements and additional measures for new
development and redevelopment. These are intended to eliminate, reduce or control the discharge of
pollutants to county-owned and operated drainage systems within unincorporated Mason County,and
to regulated wetlands, lakes,streams, marine water and groundwater.
2. Identifying illicit discharges and prohibited uses of stormwater facilities.
3. Providing enforcement, penalties,and other remedies to ensure compliance.
It is further the intent of this chapter to:
■ Ensure privately constructed,owned,and operated stormwater control facilities have adequate financial
resources to be managed properly.
■ Prevent off-site water quality,erosion,slope stability or drainage impacts from proposed projects.
■ Recognize local basin plans,shellfish recovery plans,TMDLs and other water quality cleanup plan
recommendations and requirements.
Created: 2023-04-05 09:20:11 [EST]
(Supp.No.62-2-23)
Page 30 of 35
■ Assure compliance with Low Impact Development performance standards unless deemed infeasible.
(Ord.81-08(part), 2008).
14.48.020 Authority.
The county finds that this chapter is necessary in order to:
(1) Satisfy the mandate of Ecology as identified in this section;
(2) Minimize or eliminate water quality degradation;
(3) Prevent erosion and sedimentation in creeks, streams, ponds, lakes and other water bodies;
(4) Protect property owners adjacent to existing and developing lands from the undesirable impacts of
increased runoff rates;
(5) Preserve and enhance the suitability of waters for contact recreation,fishing, and other beneficial uses;
(6) Preserve and enhance the aesthetic quality of the water;
(7) Promote sound development policies,which respect and preserve county surface water and sediment;
(8) Ensure the safety of county roads and rights-of-way;
(9) Decrease stormwater-related damage to public and private property from existing and future runoff;
(10) To protect the health,safety and welfare of the inhabitants of the county.
(Ord.81-08(part), 2008).
14.48.030 Administration.
The Director of Public Works/Utilities and Waste Management or their designee is authorized to implement
and enforce this chapter. The director shall have the authority to issue permits, impose conditions, provide
written approvals, and conduct inspections and investigations as necessary to assure compliance with the
provisions of this chapter.The director will coordinate the implementation and enforcement of this chapter
with other departments of Mason County government.
(Ord.81-08(part), 2008).
14.48.040 Applicability.
This chapter applies to unincorporated Mason County.
(Ord.81-08(part), 2008).
14.48.050 Stormwater Management Manual for Western Washington adopted.
The most recent edition of Ecology's Stormwater Management Manual for Western Washington is adopted
by reference.
Created: 2023-04-05 09:20:13 [EST]
(Supp.No.62-2-23)
Page 31 of 35
14.48.060 Definitions
Definitions can be found in the Stormwater Management Manual for Western Washington.
(Ord.81-08(part),2008).
14.48.070 Abrogation and greater restrictions.
It is not intended that this chapter repeal,abrogate,or impair any existing regulations, easements,
covenants, or deed restrictions. However,where this chapter imposes greater restrictions,the provisions of this
chapter shall prevail.
(Ord.81-08(part), 2008).
14.48.080 Interpretation.
The provisions of this chapter shall be held to be minimum requirements in their interpretation and
application and shall be liberally construed to serve the purposes of this chapter.
(Ord.81-08(part), 2008).
14.48.090 Regulated activities.
Consistent with the minimum requirements contained in this chapter,the director or their designee shall
approve, conditionally approve,or disapprove the following activities, unless exempted in Section 14.48.100
below:
(1) New Development.
(A) Land disturbing activities;
(B) Structural development, including construction; installation or expansion of a building or other
structure;
(C) Creation of new and replaced impervious surfaces;
(D) Class IV general forest practices that are conversions from timberland to other uses;
(E) Subdivision,short subdivision and binding site plans, as defined in Ch. 58.17.020 RCW.
(2) Redevelopment.
(A) On an already developed site,the creation or addition of impervious surfaces, or land disturbing
activity, and the value of the proposed improvements exceeds 50%of the assessed or
replacement value of the existing site improvements..
(Ord.81-08(part), 2008).
14.48.100 Exemptions.
Forest practices regulated under Title 222 WAC except for Class IV General forest practices that are
conversions from timber land to other uses.
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(Supp.No.62-2-23)
Page 32 of 35
Commercial agriculture practices involving working land for production are generally exempt. Conversion
from timberland to agriculture, and the construction of impervious surfaces are not exempt.
Pavement maintenance practices are generally exempt.
Underground utility projects are generally exempt, but subject to Construction Stormwater Pollution Prevention
requirements. (Ord.81-08(part), 2008).
14.48.110 Review and approval.
The director may approve,conditionally approve,or deny an application for activities regulated by this
chapter.
(Ord.81-08(part), 2008).
14.48.120 Inspection.
All activities regulated by this chapter, except those exempt in Section 14.48.100, are subject to inspection
by the director.The director may inspect projects at various stages of the work requiring approval to determine
that adequate control is being exercised.Stages of work subject to inspection include, but are not limited to, pre-
construction;installation of BMPs; land disturbing activities;installation of utilities, landscaping, retaining walls
and completion of project.As required by the director, inspections and/or testing shall be performed by the owner
or authorized agent.
(Ord.81-08(part), 2008).
14.48.130 Illicit discharges.
Illicit discharges to stormwater drainage systems are prohibited. Examples of illicit discharges include, but are not
limited to,the following:
■ Trash or debris;
■ Construction materials;
■ Petroleum products;
■ Antifreeze and other automotive products;
■ Metals in either particulate or dissolved form,in excess of naturally occurring amounts;
■ Paints,stains, resins, lacquers, or varnishes;
■ Degreasers and/or solvents;
■ Commercial and household cleaning materials;
■ Pesticides, herbicides, or fertilizers;steam cleaning wastes;
■ Soaps, detergents,or ammonia;
■ Chlorine, bromine,and other disinfectants;
■ Heated water;
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■ Swimming pool or hot tub water not in accordance with Section 15.07.060.B.2;
■ Human and animal wastes;
■ Sewage;
■ Food waste;
■ Collected yard waste;
■ Concrete and concrete by-products;
■ Silt,sediment, including dirt,sand, and gravel;
■ Chemicals not normally found in uncontaminated water;
■ Any hazardous substance or waste not listed above.
Allowable Discharges.The following categories of non-stormwater discharges shall not be considered illicit
discharges under this chapter unless the Director determines that the type of discharge, whether singly or in
combination with others, is causing or is likely to cause significant pollution of surface water or groundwater:
1. Potable water, provided the water is not chlorinated in excess of 0.1 ppm total chlorine and will have
no detectable total chlorine residual upon reaching waters of the state, is pH-adjusted, and the volume
and velocity are controlled to prevent erosion and re-suspension of sediments in the stormwater
drainage system and in the receiving water.
2. Dechlorinated swimming pool discharges, provided that they are dechlorinated to a concentration of
0.1 ppm, pH-adjusted and re-oxygenated if necessary, and the volume and velocity are controlled to
prevent erosion and re-suspension of sediments in the stormwater drainage system and in the
receiving water. Discharges shall be thermally controlled to prevent an increase in temperature of the
receiving water. Discharge of swimming pool cleaning wastewater and filter backwash water is
prohibited.
3. Air conditioning condensation.
4. Uncontaminated water from crawl space pumps or footing or foundation drains.
5. Uncontaminated pumped ground water provided there is adequate capacity.
6. Natural uncontaminated surface water or ground water.
7. Uncontaminated roof runoff water.
8. Street and sidewalk wash water,water used to control dust,and external building wash down that does
not use detergents, provided the discharge is minimized.
9. Non-stormwater discharges covered by and in full compliance with another NPDES or state waste
discharge permit.
10. Discharges from emergency firefighting activities.
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11. Discharges containing water tracing dyes used specifically for the purpose of drainage system or
pollution investigations.Any persons conducting dye tests, other than county departments must
provide verbal notification to the director prior to initiation of the dye test.
12. A person employing properly designed, constructed, implemented, and maintained BMPs and carrying
out AKART to prevent pollution of stormwater.
Reporting Illicit Discharges.A person must report to the county spills hotline any spill, release, dumping, or
other situation that constitutes an illicit discharge to a storm drainage at the earliest possible time, but in any
case,within twenty-four hours of obtaining that knowledge.This reporting requirement is in addition to, and
does not replace, any other reporting requirements under federal, state,or local laws.
Prohibition of Illicit Connections.
1. Prohibition of illicit connections.The construction, use, maintenance,or continued existence of an illicit
connection to any municipal storm drainage system is prohibited.This prohibition expressly includes,
without limitation, connections made in the past, regardless of whether the connection was
permissible under law or practices applicable or prevailing at the time of connection, except for
connections conveying discharges listed above provided the conditions are met.
2. Exceptions.The director may allow connection to a municipal storm drainage system,through written
authorization on a case-by-case basis. Special conditions may be required by the director as part of
such an authorization to connect.
E.
It shall be a violation of this chapter to fail to remove pollutants associated with a discharge from a private
storm drainage system that enters the municipal storm drainage system.
(Ord.81-08(part), 2008).
14.48.200 Enforcement authority.
The director shall enforce this chapter pursuant to Title 15.
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