Thurston County, Washington

The content on the Thurston County website is currently provided in English. We are providing the “Translation” for approximately 10 languages. The goal of the translation is to provide visitors with limited English proficiency to access information on the website in other languages. The translations do not translate all types of documents, and it may not give you an exact translation all the time. The translations are made through an automated process, which may not result in accurate or precise translations, particularly of technical and legal terminology.
County Contacts
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Thurston County Washington

Community Planning and Economic Development

Permitting Home

We issue building and land-use permits for properties located in unincorporated Thurston County. To learn more about the permitting process, click the “Planning Your Project” link below.

Intake appointments are required for applicants submitting a Type II or Type III application, applications requiring SEPA review, or those that require a Pre-submission Conference. For details and scheduling, click the “BDC Digest” link below.

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Related News

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Permit Fees are Getting an Update

Thurston County’s permitting base fees haven’t changed since 2009. But the cost of processing permits has with inflation and new state requirements. The fee update reflects the work involved and allows for an improved permit experience.

December 08, 2025

Announcements
image of a person filling out permitting checklist

Attention: Builders, Septic & Construction Pros - New Permit Process Began on January 1

A new state law changed permitting timelines. To comply, the county has made changes.

January 29, 2025

Announcements, Events

NOTICE: Permitting Office Closes at 2 p.m. Thursday, January 11

Permitting Office Closes at 2 p.m. Thursday, January 11

January 03, 2024

Permitting Home

Permit Office Location - Building Development Center

3000 Pacific Ave SE
Suite 100
Olympia, WA 98501
Phone: 360-786-5490

Mailing Address

3000 Pacific Ave SE
Olympia, WA 98501