Ephrata Building Department

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

Building Department

Ephrata Building Department

Phone
(509) 754-6964
Address
121 Alder St SW, Ephrata, WA 98823
Hours
M-F 8am-5pm
Email
bcox@ephrata.org
Website
https://www.ephrata.org/150/Building-Department

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 Ephrata Building Department.

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