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Grays Harbor County Treasurer


Due to a recent computer software conversion, information obtained through our site may not be accurate. We appreciate your patience as we transition to a system that will enhance our services.

Missing Information:
ULID 7 & 8 Assessments
Taxes Due Prior to 2013
2018 Tax Information
Tax Payments made after January 25th

Check this site for future updated information. Thank you again for your continued patience.


Office is located on the second floor of the County Administration Building
at the corner of Broadway and Main
100 W. Broadway, Suite 22, Montesano, Washington. 

Office Hours
Monday - Friday
9:00 am - 12 noon
12:30 pm - 4:30 pm

Our mailing address is: 
P. O. Box 831
Montesano, WA  98563

The county treasurer holds a key position of public trust in the financial affairs of local government. The treasurer is not only the custodian of all county funds but also acts as the "bank" for other units of local government including school, fire, water and local improvement districts.

Primary responsibilities include:

  • Collecting property taxes (including foreclosure and distraint actions against delinquent accounts), special assessments, excise taxes, gambling taxes and other miscellaneous receipts

  • Receipting and accounting for all funds and deposits of revenue for the state, county and junior taxing districts

  • Managing the cash flow of the county, and investing money not needed for immediate expenditure for the benefit of the county and junior taxing districts

  • Administering short and long term debt financing

  • Coordinating the provisions of banking services for the county and junior taxing districts

Phone: 360-249-3751