Pacific County Washington Energy Code Compliance
WSEC-R 2021 compliance information for builders and contractors in Pacific County.
Code environment
Climate Zone
CZ4
Western Washington — moderate climate with lower minimum insulation requirements than CZ5.
Wall min R-20 or R-13+5ci · Ceiling min R-49 · Window max U-0.30 (WAC 51-11R-40202)
Radon Zone
Zone 3
Low radon potential — radon mitigation is at builder or owner discretion.
Learn more →County building department
The county building department handles permits for unincorporated areas. Cities within the county may have their own permit offices — see below.
Authority Having Jurisdiction (AHJ)
Pacific County Planning Department
- Phone
- (360) 875-9356
- Address
- 1216 W Robert Bush Drive, South Bend, WA 98586
- Hours
- M-F 8am-4:30pm
Last verified: 2026-04-19
Ready to check your compliance?
Answer a few questions about your project and get a complete R406 credit summary you can submit with your permit application.
Start your WSEC compliance check →Typical project costs in Pacific County
Coming soon as we gather receipt data from local contractors.
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