Chelan County Assessor

Tax Bills and Payments

The Assessor’s Office is not responsible for mailing or collecting your taxes.  The Treasurer’s Office mails out all tax statements and collects the tax payments in Chelan County.

Tax Statements are mailed out to property owners in February by the Treasurer’s Office and the statement will show the amount of taxes due for that year.  If you do not receive a statement by March 1st, please call the Treasurer’s office at (509) 667-6405.

First half payments must be paid or postmarked by April 30th or the entire billing becomes delinquent and will accrue interest and penalty. Interest is 1% a month on delinquent taxes. A 3% penalty is charged on June 1st.  Second half taxes become delinquent after October 31st. An 8% penalty is charged on December 1st.

You can pay your taxes in person or by mail at the Chelan County Treasurer’s Office which is located in the Courthouse at 350 Orondo Avenue, Wenatchee.  If paying by mail, make sure to include the tax parcel number on your check and mail to PO Box 1441, Wenatchee, WA  98807-1441 .  You can pay your taxes by credit card or check over the phone by calling 1-877-673-6058 or online through Official Payments Corp.  For more information about this option visit the Chelan County Treasurer’s website.

Posted: 12/11/2014 02:13 PM
Last Updated: 02/05/2015 03:36 PM

Chelan County Calendar

Upcoming events and schedules at the county!

  • 19
    Nov 2025
    09:30 AM - 10:30 AM

    Public Meeting: Public Canvassing Board Meetings

    Posted by: Chelan County Elections

    The Canvassing Board of Chelan County, pursuant to RCW 29A.60.160, will hold public meetings at the dates and times listed below. The meetings of the Canvassing Board are open, public meetings under the applicable provisions of chapter 42.30 RCW, and each meeting shall be continued until the activity for which the meeting is held has been completed.

    Chelan County Auditor’s Office
  • 13
    Nov 2025
    09:30 AM - 10:30 AM

    Public Meeting: Public Canvassing Board Meetings

    Posted by: Chelan County Elections

    The Canvassing Board of Chelan County, pursuant to RCW 29A.60.160, will hold public meetings at the dates and times listed below. The meetings of the Canvassing Board are open, public meetings under the applicable provisions of chapter 42.30 RCW, and each meeting shall be continued until the activity for which the meeting is held has been completed.

    Chelan County Auditor’s Office
  • 12
    Nov 2025
    10:00 AM - 12:00 PM

    Chelan County Civil Service Commission

    Posted by: Human Resources

    The Chelan County Civil Service Commission will be meeting on November 12, 2025

    Chelan County Commissioners Office, CM Conference Room 1
  • 11
    Nov 2025
    12:00 PM - 03:00 PM

    Veterans Day BBQ

    Posted by: Veterans Program

    The Public and Veterans are invited to the annual Veterans Day BBQ!

    Pybus Public Market, Events Center
  • 07
    Nov 2025
    09:30 AM - 10:30 AM

    Public Meeting: Public Canvassing Board Meetings

    Posted by: Chelan County Elections

    The Canvassing Board of Chelan County, pursuant to RCW 29A.60.160, will hold public meetings at the dates and times listed below. The meetings of the Canvassing Board are open, public meetings under the applicable provisions of chapter 42.30 RCW, and each meeting shall be continued until the activity for which the meeting is held has been completed.

    Chelan County Auditor’s Office