Updated : 04/22/2024

Overview

Dayton, Washington, adopted the 2018 International Residential Code (IRC), including Appendices F, Q, and U.  Dayton, WA, Muni. Code §5-2.04(B) (adopted). Dayton, Washington, adopted the 2018 International Building Code, including Appendix E. Dayton, WA, Muni. Code §5-2.04(A) (adopted). Dayton, Washington, adopted the 2018 International Existing Building Code. Dayton, WA, Muni. Code §5-2.04 (A) (adopted).

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 Dayton, Washington include the following.

• Jurisdiction's Information Page(s):
  • Dayton, 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.

Dayton 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)(Dayton, WA 5-2.04. - Codes adopted.)

...54), as adopted by the State Building Code Council in Chapter 51-52 WAC, and as published by NFPA, is hereby adopted. I. The Liquefied Petroleum Gas Code (NFPA 58), as adopted by the State Building Code Council...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Dayton ? 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

Dayton, Washington, adopted the 2018 International Residential Code (IRC), including Appendices F, Q, and U.  Dayton, WA, Muni. Code §5-2.04(B) (adopted). 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.

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

Dayton, Washington, adopted the 2018 International Existing Building Code. Dayton, WA, Muni. Code §5-2.04 (A) (adopted). 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

Dayton 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.

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

...Adoption not found...

Comments

Dayton, Washington, adopted the 2018 International Building Code, including Appendix E. Dayton, WA, Muni. Code §5-2.04(A) (adopted). 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

Dayton, Washington, adopted the 2018 International Existing Building Code. Dayton, WA, Muni. Code §5-2.04 (A) (adopted). 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