Sequim Building Department

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

Building Department

Sequim Department of Community Development

Phone
(360) 683-4908
Address
152 W Cedar St, Sequim, WA 98382
Hours
M-F 8am-4pm
Email
ehall@sequimwa.gov
Website
https://www.sequimwa.gov/150/Community-Development

Last verified: 2026-04-19

Code environment

Climate Zone

CZ4

Western WA — moderate climate requirements.

Radon Zone

Zone 2

Moderate potential — mitigation recommended.

Learn more →

Ready to check your compliance?

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

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