Welcome to the Treasurer's Office

​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

Annual Report to Our Citizens 2021

Planning a visit to our office? Schedule an appointment or get in line here

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.

The major responsibilities of the County Treasurer can be summarized in the following areas:

  • Receipting and accounting of revenue
  • Collection of taxes
  • Disbursement of funds
  • Cash management
  • Debt management
  • Investment portfolio management

Click here for more information


eReet (Real Estate Excise Tax Affidavit) submissions now being accepted. Click here for details.


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​Contact Us

​Office Hours:
8:00 am to 4:30 pm
Monday through Friday
Except holidays

Real Estate Excise Affidavit Processing:
8:00 am to 4:00 pm
Monday through Friday

​Office Location:
Thurston County Courthouse
Building 1, Room 119
Directions to Courthouse

Contact Information:
Phone: 360-786-5550
Fax: 360-754-4683
E-mail: trsr@co.thurston.wa.us

Mailing Address:
2000 Lakeridge Drive SW
Olympia, WA 98502