Longview Building Department
WSEC-R 2021 energy code compliance resources for builders and contractors in Longview, Cowlitz County.
Building Department
Longview Community Development
- Phone
- (360) 442-5080
- Address
- 1525 Broadway St, Longview, WA 98632
- Hours
- M-Th 7am-6pm
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 Longview Community Development.
Start your WSEC compliance check →