Othello Building Department

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

Building Department

Othello Building and Planning

Address
500 E Main St, Othello, WA 99344
Hours
M-F 8am-5pm

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 Othello Building and Planning.

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