Updated : 04/22/2024

Overview

Federal Way, Washington, adopted the 2018 International Residential Code (IRC), including Appendices H and J, with amendments. Federal Way, WA, Muni. Code §13.22.020 (adoption) and §13.22.30 (Amendments). Federal Way, Washington, adopted the 2018 International Building Code (IBC), including Appendices E and J, with amendments. Federal Way, WA, Muni. Code §13.16.020 (adoption) and §13.16.030 (amendments). Federal Way, Washington, adopted the 2018 International Existing Building Code (IEBC) with amendments. Federal Way, WA, Muni. Code §13.28.020 (adoption) and §13.28.030 (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.

Helpful resources for Federal Way, Washington include the following.

• Jurisdiction's Information Page(s):
  • Federal Way, 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.

Federal Way 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.

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2018 Washington State Residential Code (2018 IRC)(City of Federal Way, WA Municipal Code)

...Adoption not found...

Drip Edge

Drip Edge: yes

Ice Barrier

Are ice barriers required for Federal Way ? No
Comments:

The adoption of the residential code included an amendment stating that ice barrier underlayment is not required at the eaves.

(6) IRC Table 301.2(1) is amended by the addition of the following information:

Roof Snow Load	Wind Speed (MPH)	Seismic Design Categoty	Weathering	Frost Line	Termites	Winter Design Temp	Ice Barrier Required	Flood Hazard	Air Freezing Index	Mean Annual Temp	Design Topo. Effects
25 lb/ft2	85	D2	Moderate	12"	Moderate	24º	No	Yes	250	55º	No

Federal Way, WA, Muni. Code §13.22.020(6) (IRC Amendments).

Comments

Federal Way, Washington, adopted the 2018 International Residential Code (IRC), including Appendices H and J, with amendments. Federal Way, WA, Muni. Code §13.22.020 (adoption) and §13.22.30 (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.

Federal Way, Washington, adopted Appendix J regarding existing buildings. Federal Way, WA, Muni. Code §13.22.020 (adoption) and §13.22.30 (Amendments). 

Federal Way, Washington, adopted the 2018 International Existing Building Code (IEBC) with amendments. Federal Way, WA, Muni. Code §13.28.020 (adoption) and §13.28.030 (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.

Commercial Building Code

Federal Way 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)(City of Federal Way, WA Municipal Code)

...Adoption not found...

Comments

 Federal Way, Washington, adopted the 2018 International Building Code (IBC), including Appendices E and J, with amendments. Federal Way, WA, Muni. Code §13.16.020 (adoption) and §13.16.030 (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

Federal Way, Washington, adopted the 2018 International Existing Building Code (IEBC) with amendments. Federal Way, WA, Muni. Code §13.28.020 (adoption) and §13.28.030 (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.

Other Building Codes