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A timely 1st half payment must have a postmark of April 30. A timely 2nd half payment must have a postmark of October 31. RCW 01.12.070
By Mail: Send a check in to:Cowlitz County Treasurer207 N 4th AveKelso, WA 98626
By Credit Card: Please visit http://www.co.cowlitz.wa.us/index.aspx?NID=1874 or call 1-855-857-3624. Credit/debit card payments are also acceptable in the Treasurer's Office.
All checks must be made payable to Cowlitz County Treasurer. If the payment coupon is not included please be sure to include the parcel number or account number.
Your payment must be postmarked by the due date to be considered timely, otherwise interest and/or penalty will apply RCW 01.12.070.
Please verify that the mailing address that appears at the top of the statement is the correct address. If needed, please fill out the address change form under 'FORMS' on the right side of the screen.
Penalty happens the second month and eighth month of delinquency (only in the first year). June 1st is 3% and December is 8%.
State tax law presumes that property owners understand the responsibility of property taxes being due and payable every year. Failure to receive your tax statement is not an adequate reason for a waiver of the penalties and interest. RCW 84.56.020 RCW 84.56.025 RCW 84.56.050 *** A copy of your yearly statement is available on the Assessor's Parcel Search ***