Updated : 04/22/2024

Overview

Whitman County, Washington, adopted the 2018 International Residential Code (IRC). Whitman County, WA, Muni. Code § 17.04.010 (adoption). Whitman County, Washington, adopted the 2018 International Building Code (IBC). Whitman County, WA, Muni. Code § 17.04.010 (adoption). Whitman County, Washington, adopted the 2015 International Existing Building Code (IEBC). Note that Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Section 101.4.7 of the 2018 IBC. Whitman County, WA, Muni. Code § 17.04.010 (adoption), Wash. Admin. Code § 51-50-007, and Wash. Admin. Code § 51-50-480101 (existing buildings). 

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 Whitman County, Washington include the following.

• Jurisdiction's Information Page(s):
  • Whitman County, 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.

Whitman 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)(Whitman County, WA 17.04.010 - State building code adopted.)

...A. There shall be in full force and effect in the unincorporated areas of Whitman County the State Building Code adopted February 1, 2021 per State law, which shall consist of the following codes and documents together with amendments included therein, which are adopted by reference:...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Whitman County ? 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.

Government Officials

Comments

Whitman County, Washington, adopted the 2018 International Residential Code (IRC). Whitman County, WA, Muni. Code § 17.04.010 (adoption). 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 adoption of Appendix J was found in the municipal code or city website. 

Whitman County, Washington, adopted the 2015 International Existing Building Code (IEBC). Note that Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Section 101.4.7 of the 2018 IBC. Whitman County, WA, Muni. Code § 17.04.010 (adoption), Wash. Admin. Code § 51-50-007, and Wash. Admin. Code § 51-50-480101 (existing buildings). 

Also, 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

Whitman 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)(Whitman County, WA Municipal Code)

...Adoption not found...

Comments

Whitman County, Washington, adopted the 2018 International Building Code (IBC). Whitman County, WA, Muni. Code § 17.04.010 (adoption). 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

Whitman County, Washington, adopted the 2015 International Existing Building Code (IEBC). Note that Washington adopted the 2015 IEBC, by amending the reference to the IEBC in Section 101.4.7 of the 2018 IBC. Whitman County, WA, Muni. Code § 17.04.010 (adoption), Wash. Admin. Code § 51-50-007, and Wash. Admin. Code § 51-50-480101 (existing buildings). 

Also, 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