Sedro-Woolley Building Department

WSEC-R 2021 energy code compliance resources for builders and contractors in Sedro-Woolley, Skagit County.

Building Department

Sedro-Woolley Building Department

Phone
(360) 855-0771
Address
325 Metcalf St, Sedro-Woolley, WA 98284
Hours
M-F 8am-5pm
Email
tniskanen@ci.sedro-woolley.wa.us
Website
https://www.ci.sedro-woolley.wa.us/

Last verified: 2026-04-19

Code environment

Climate Zone

CZ4

Western WA — moderate climate requirements.

Radon Zone

Zone 2

Moderate potential — mitigation recommended.

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Ready to check your compliance?

wsec.ai generates a complete R406 credit summary you can submit with your permit application to Sedro-Woolley Building Department.

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