Updated : 04/22/2024

Overview

Cosmopolis, Washington, adopted the 2018 International Residential Code with amendments. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IRC, including all appendices except I, J, and L; however, Washington enforces the 2018 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities). Cosmopolis, Washington, adopted the 2018 International Building Code (IBC), including Appendix E, with amendments. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IBC including Appendix E, F, G, I, and J; however, Washington enforces the 2018 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities). Cosmopolis, Washington, adopted the 2015 International Existing Building Code. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IEBC; however, Washington enforces the 2015 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities).

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

Helpful resources for Cosmopolis, Washington include the following.

• Jurisdiction's Information Page(s):
  • Cosmopolis, Washington Municipal Code
• PLRB, Ordinance and Law Coverage Discussion for Washington

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.

Cosmopolis 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 amendments to the model code here.

Auto Search - beta:

2021 Washington State Residential Code (2021 IRC)(Cosmopolis, WA 2.32.020 - Powers and duties.)

...The building inspector shall inspect all buildings under construction or alteration or repair for compliance with the applicable building codes of the city. The building inspector shall be vested with police power and authority for the enforcement of the building codes, nuisance codes and zoning ordinances of the city. The building inspector...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Cosmopolis ? Unclear
Comments:

No amendment to Table R301.2(1) was located in the municipal code or city website. Therefore, it is unclear if ice barrier underlayment is required.

Comments

Cosmopolis, Washington, adopted the 2018 International Residential Code with amendments. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IRC, including all appendices except I, J, and L; however, Washington enforces the 2018 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities).

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

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.

Cosmopolis, Washington, did not adopt Appendix J regarding existing buildings. 

Cosmopolis, Washington, adopted the 2015 International Existing Building Code. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IEBC; however, Washington enforces the 2015 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities).

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

Commercial Building Code

Cosmopolis 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 amendments to the model code here.

Auto Search - beta:

2021 Washington State Building Code (2021 IBC)(Cosmopolis, WA Municipal Code)

...Adoption not found...

Comments

Cosmopolis, Washington, adopted the 2018 International Building Code (IBC), including Appendix E, with amendments. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IBC including Appendix E, F, G, I, and J; however, Washington enforces the 2018 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities). 

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

Existing Buildings

Cosmopolis, Washington, adopted the 2015 International Existing Building Code. Cosmopolis, WA, Muni. Code § 14.04.005. Please note that the municipal code and city website show the 2012 IEBC; however, Washington enforces the 2015 edition statewide. See PLRB, Washington Building Codes, and Revised Code of Wash. § 19.27.031 (statewide code effective in all counties and cities).

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

Other Building Codes