Options for Paying Property Taxes

Payments may be made:

  • By mail to Cowlitz County Treasurer, 207 4th Ave. N, Kelso, WA 98626. Make checks payable to: Cowlitz County Treasurer
  • Online using e-check, debit card or credit card at: https://www.co.cowlitz.wa.us/1874/E-Checks-Credit-or-Debit-Card-Payments, or by calling the automated telephone system at 1-844-965-0200.
  • Secure drop box outside the  front door of the Cowlitz County Treasurer’s Office.
  • Drive up drop box located on Bridge Market Lane, the ballot box has been fashioned into a temporary drive-up drop box for property tax payments.


Ballot 2_rBallot 1_r