Chelan County Assessor

Important Assessment Dates

These are some important dates on the assessment calendar.

Date Item Due
January 1 Real and personal property is subject to taxation and valuation for assessment purposes as of this date.
January 15 Certification of Levies.
February 15  Property tax statement for the 2017 Tax Year (2016 Assessment Year) are mailed out and property taxes can be paid after this date to the County Treasurer.
April 30 Personal property listings due.
April 30 First half property taxes are due to the County Treasurer.
May 31 End of revaluation cycle for assessment purposes.
May 31 Notice of Values are mailed out.
July 1 Filing deadline for Board of Equalization petitions.*
July 15 Board of Equalization meets in open session.
August 1 Most taxing district boundaries must be established.
August 31 Last day assessor can add new construction value.
October 1 Last day to file for exemption on historic property.
October 31 Second half property taxes are due to the County Treasurer.
November 30 City and other taxing districts budgets are due to the County Legislative Authority.
November 30 Taxing certifications and the amount levied per taxing district are due to the County Assessor.
  *Dependent on Mailing Date of Notice of Values.


Posted: 03/25/2015 01:34 PM
Last Updated: 01/06/2017 12:13 PM

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Chelan County Calendar

Upcoming events and schedules at the county!

  • 08
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    09:00 AM - 01:00 PM

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    Please see Ballot Drop Locations