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

Treasurer

The County Treasurer holds a key position of public trust in the financial affairs of local government. Acting as the bank for the county, local cities, school districts, fire districts, special purpose districts and other units of local government, the Treasurer's Office receipts, disburses, invests and accounts for the funds of each of these entities. In addition, the Treasurer is charged with the collection of various taxes that benefit a wide range of governmental functions.

Our Mission - Maintain the public's trust by managing their funds with integrity while utilizing best professional practices to provide excellent customer service with a staff that is responsive, knowledgeable, efficient, and courteous.

Photo of Treasurer Jeff Gadman
Jeff Gadman
Thurston County Treasurer

Related News

All News
photo of county commissioners, county treasurer and county investment banking officer standing in a row holding a national award for financial excellence

Thurston County’s Fiscal Policy Secures Prestigious National Certification

The County earns national Investment Policy Certification marking a significant benchmark in the County’s commitment to professional financial stewardship. Learn more...

May 05, 2026

Announcements
Image of a large desktop calendar with April 30 circled in read and the words Due Date

2026 First Half Property Taxes Due Today - Thursday April 30

The first half of your Thurston County property tax payment is due on Thursday, April 30. Pay online, in-person at the Treasurer's office located at 3000 Pacific Ave SE in Olympia, Washington, or drop in the drop box in front of that building, or mail them. Reminder that the post office no longer guarantees same-day postmark so mail early. Learn more ...

April 30, 2026

Announcements
image shows a calendar with the words April 30 Due Date circled in red

2026 Property Tax Notices Mailed This Week

County Treasurer's Office mailed 2026 property tax notices to Thurston County taxpayers on Monday, February 9, 2026.

February 09, 2026

Announcements

Treasurer

360-786-5550
Contact Us

Treasurer's Office Location

3000 Pacific Ave SE
Olympia, WA 98501
Phone: 360-786-5550
Fax: 360-754-4683
Monday–Friday: 8:00 am–4:30 pm

Mailing Address

3000 Pacific Ave SE
Olympia, WA 98501