Federal Way Building Department
WSEC-R 2021 energy code compliance resources for builders and contractors in Federal Way, King County.
Building Department
Federal Way Community Development
- Phone
- (253) 835-2607
- Address
- 33325 8th Ave S, Federal Way, WA 98003
- Hours
- M-F 8am-5pm
- Portal
- Online permit portal →
- Notes
- uses MyBuildingPermit.com
Last verified: 2026-04-19
Code environment
Climate Zone
CZ4
Western WA — moderate climate requirements.
Ready to check your compliance?
wsec.ai generates a complete R406 credit summary you can submit with your permit application to Federal Way Community Development.
Start your WSEC compliance check →