Toppenish Building Department

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

Building Department

Toppenish Building Official

Address
21 W 1st Ave, Toppenish, WA 98948
Hours
M-F 8am-5pm
Notes
also services Granger

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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wsec.ai generates a complete R406 credit summary you can submit with your permit application to Toppenish Building Official.

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