Chelan County Assessor

Change My Mailing Address

If you have recently moved and would like to change your mailing address to continue to receive your Notice of Values and Tax Statements (mailed by the Treasurer’s Office) you can fill out our Mailing Address Change Request Form by clicking here.  Complete the form and return by:

Mail or In-person: 

Chelan County Assessor,
350 Orondo Ave., Suite 206,
Wenatchee, WA  98801

Email:  Assessor@co.chelan.wa.us
Fax:  (509) 667-6664

Posted: 01/05/2015 07:56 AM
Last Updated: 04/16/2015 09:28 AM

Chelan County Calendar

Upcoming events and schedules at the county!

  • 23
    Jan 2026
    08:00 AM - 05:00 PM

    Ballots will be mailed to voters

    Posted by: Chelan County Elections

    Ballots will be mailed to voters

  • 23
    Jan 2026
    09:00 AM - 08:00 PM

    Voting Center is open for 18 days in Election's Office

    Posted by: Chelan County Elections

    Voting Center is open for 18 days in Election's Office

  • 22
    Jan 2026
    10:00 AM - 11:00 AM

    Public Meeting: Official Logic and Accuracy Test of Voting System and Accessible Voting Unit (AVU) Demonstration

    Posted by: Chelan County Elections

    Chelan County Auditor’s Office
  • 14
    Jan 2026
    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 January 14, 2026.

    Chelan County Commissioners Office, CM Conference Room 1
  • 09
    Jan 2026
    08:00 AM - 05:00 PM

    Ballots mailed for military, overseas and out of state voters

    Posted by: Chelan County Elections

    Ballots mailed for Military, Overseas and Out of State voters