Updated : 04/22/2024

Overview

Douglas County, Washington, adopted the 2018 International Residential Code, including Appendices F, Q, and U. Douglas County, WA, Muni. Code §15.08.010 (adoption) and §15.08.025 (amendments). Douglas County, Washington, adopted the 2018 International Building Code, including Appendix E. Douglas County, WA, Muni. Code §15.08.010 (adoption) and §15.08.020 (amendments). No local adoption of the International Existing Building Code (IEBC) could be found in the municipal code. Note that the state adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. Wash. Admin. Code § 51-50-007.

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 Douglas County, Washington include the following.

• Jurisdiction's Information Page(s):
  • Douglas 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.

Douglas 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 amendments to the model code here.

Auto Search - beta:

2018 Washington State Residential Code (2018 IRC)(Douglas County, WA Municipal Code)

...Adoption not found...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Douglas County ? Yes
Comments:

The adoption of the residential code included an amendment stating that ice barrier underlayment is required at the eaves.

Table R301.2(1) Climatic and geographic design criteria.

Snow Load: Min. 35PSF

Wind Speed (mph): 85mph

Seismic Design Category: C

Weathering: Severe

Frost Line Depth: 24"

Termite: Slight to Moderate

Decay: None to Slight

Winter Design Temp: 5º

Ice Shield Underlayment Required: Yes

Flood Hazard: Yes

Air Freezing Index: 1060

Mean Annual Temp: 51.5º

Douglas County, WA, Muni. Code §15.16.005 (design criteria).

Government Officials

Comments

Douglas County, Washington, adopted the 2018 International Residential Code, including Appendices F, Q, and U. Douglas County, WA, Muni. Code §15.08.010 (adoption) and §15.08.025 (amendments). 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 regarding existing buildings was located in the municipal code or city website. 

No local adoption of the International Existing Building Code (IEBC) could be found in the municipal code. Note that the state adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. See PLRB, Washington Building Codes. 

Commercial Building Code

Douglas 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 amendments to the model code here.

Auto Search - beta:

2018 Washington State Building Code (2018 IBC)(Douglas County, WA Municipal Code)

...Adoption not found...

Comments

Douglas County, Washington, adopted the 2018 International Building Code, including Appendix E. Douglas County, WA, Muni. Code §15.08.010 (adoption) and §15.08.020 (amendments). 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

No local adoption of the International Existing Building Code (IEBC) could be found in the municipal code. Note that the state adopted the 2015 IEBC, by amending the reference to the IEBC in Sec. 101.4.7 of the 2018 IBC. Wash. Admin. Code § 51-50-007. 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