Chelan County Treasurer

Property Tax Statements

Property taxes become due and payable each year when the current year tax roll is completed by the County Treasurer.  Statements for the current tax year are mailed out on or around February 15th.  If you do not receive your statement by March 1st, please call our office at (509) 667-6405.


  • First half property tax payments must be paid or postmarked by April 30th or the entire billing becomes delinquent and will accrue interest and penalty.  Interest on delinquent taxes is 1% per month.   A 3% penalty is charged if the first half payments are unpaid by June 1st.
  • Second half payments must be paid or postmarked by October 31st.  Interest accrues at 1% per month, and an 8% penalty is charged on December 1st for delinquent taxes.

Change of Address:

If you need to update your mailing address, please write the correct address on the back of your payment coupon when submitting your payment.  Or send an email to with your property ID number and new mailing address.

Posted: 01/22/2015 02:24 PM
Last Updated: 08/10/2021 08:01 AM

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Chelan County Calendar

Upcoming events and schedules at the county!

  • 15
    Dec 2021
    01:00 PM - 03:00 PM

    Hearing Examiner - December 15, 2021

    Posted by: Community Development

    By Zoom Video Conference
  • 15
    Dec 2021
    06:00 PM - 08:00 PM

    Boundary Review Board

    Posted by: Board Of County Commissioners

    The newly formed Chelan County Boundary Review Board meets on Dec. 15.

    By Zoom video conference
  • 11
    Dec 2021
    09:00 AM - 01:00 PM

    December Parenting Class - English Only

    Posted by: Superior Court Clerk

    Supporting Children Through Divorce is a four-hour educational program designed to help parents focus on the needs of their children during and after divorce and separation.

    Washington State University Extension
  • 10
    Dec 2021
    11:00 AM - 01:00 PM

    Coffee with Bob

    Posted by: Board Of County Commissioners

    A quarterly update for the Upper Valley community

    Online via Zoom