Washougal Building Department
WSEC-R 2021 energy code compliance resources for builders and contractors in Washougal, Clark County.
Building Department
Washougal Building Division
- Phone
- (360) 835-8501
- Address
- 1701 C St, Washougal, WA 98671
- Hours
- M-F 8am-5pm
Last verified: 2026-04-19
Code environment
Climate Zone
CZ4
Western WA — moderate climate requirements.
Radon Zone
Zone 1
High potential — passive mitigation system required (WAC 51-51-60101, Appendix AF).
Learn more →Ready to check your compliance?
wsec.ai generates a complete R406 credit summary you can submit with your permit application to Washougal Building Division.
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