Wenatchee Building Department

WSEC-R 2021 energy code compliance resources for builders and contractors in Wenatchee, Chelan County.

Building Department

Wenatchee Community Development

Phone: (509) 888-3262
Address: 301 Yakima St, Wenatchee, WA 98801
Hours: M-F 8am-5pm
Email: cburdick@wenatcheewa.gov
Website: https://www.wenatcheewa.gov/government/community-development/building-division

Last verified: 2026-04-19

Code environment

Climate Zone

CZ5

Eastern WA — stricter insulation and air sealing minimums apply.

Radon Zone

Zone 2

Moderate potential — mitigation recommended.

Ready to check your compliance?

wsec.ai generates a complete R406 credit summary you can submit with your permit application to Wenatchee Community Development.