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Island County, Washington Building Codes

Updated : 04/22/2024

Overview

Island County, Washington, adopted the 2018 International Residential Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). Island County, Washington, adopted the 2018 International Building Code, including Appendix C. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). No local adoption of the International Existing Building Code (IEBC) was found in the municipal code; however, Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. See PLRBWashington Building Codes, and Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). 

Note that the 2018 edition is the current effective code until March 15, 2024, when the 2021 edition will become effective. See PLRBWashington Building Codes.

Helpful resources for Island County, Washington include the following.

Residential Building Code

Washington adopted a statewide mandatory residential code that will control; however, local governments are free to make laws more strict (with some limitations).See PLRB, Washington Building Codes for more information on state level codes.

Island County adopted the 2018 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the model code here.

You can find information about the adoption without amendment to the model code here.

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2021 Washington State Residential Code (2021 IRC)(Island County, WA 14.01A.020 - Enforcement of International Fire Code—Sheriff and Building Official—Island County Building Code appeals.)

...responsibilities under the IFC shall be assumed by the Island County Building Official. This section shall neither add nor reduce county responsibility under the State Building Code and/or the Island County Building Code. B. Appeals. For the purposes of appeals...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Island County ? No
Comments:

No amendment to the IRC Table 301.2 was located in the municipal code. However, a climate design criteria was located on the Island County website. Island County, WA, "Design Criteria & Handouts" Island County Building Division. Accessed October 12, 2023. www.islandcountywa.gov/DocumentCenter/View/3358/2018-Design-Criteria-pdf?bidId=

Comments

Island County, Washington, adopted the 2018 International Residential Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Existing Buildings

Existing buildings, meaning buildings that were built in accordance to code at the time of construction, typically merit extra consideration in a current updated code.

No local adoption of Appendix J was found in the municipal code or city website. 

No local adoption of the International Existing Building Code (IEBC) was found in the municipal code; however, Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. See PLRBWashington Building Codes, and Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). 

Note that the 2018 edition is the current effective code until March 15, 2024, when the 2021 edition will become effective. See PLRBWashington Building Codes.

Commercial Building Code

Island County adopted the 2018 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.

You can find a copy of the code here.You can find information about the adoption without amendment to the model code here.

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2021 Washington State Building Code (2021 IBC)(Island County, WA Municipal Code)

...Adoption not found...

Comments

Island County, Washington, adopted the 2018 International Building Code, including Appendix C. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). 

Existing Buildings

No local adoption of the International Existing Building Code (IEBC) was found in the municipal code; however, Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. See PLRBWashington Building Codes, and Island County, WA, Muni. Code §14.01A.010 (adoption and amendments). 

Note that the 2018 edition is the current effective code until March 15, 2024, when the 2021 edition will become effective. See PLRBWashington Building Codes.

Other Building Codes

Island County, Washington, adopted the Washington State Building Codes. See PLRBWashington Building Codes, and WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2018 International Mechanical Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2018 International Fire Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the NFPA 58 (Storage and Handling of Liquefied Petroleum Gases). Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the ANSI Z223.1/ NFPA 54 (National Fuel Gas Code). Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2018 Uniform Plumbing Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2018 Washington State Ventilation and Indoor Air Quality Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2018 Washington State Energy Code. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the 2009 ICC/ANSI A117.1, Accessible and Usable Buildings, and Facilities. Island County, WA, Muni. Code §14.01A.010 (adoption and amendments).

Island County, Washington, adopted the National Electrical Code (NFPA 70). Island County, WA, Muni. Code §14.01A.010 and See Labor & Industries (L&I), “Electrical Laws, Rules & Policies.” Licensing & Permits, Lni.wa.gov (adoption and amendments).