Pasco Building Department

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

Building Department

Pasco Building Division

Phone
(509) 543-5736
Address
525 N 3rd Ave, Pasco, WA 99301
Hours
M-F 8am-5pm
Email
hendrent@pasco-wa.gov
Website
https://www.pasco-wa.gov/151/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.

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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 Pasco Building Division.

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