Assessor's Office

Welcome to the Garfield County Assessor's Office

The primary duty of the assessor's office is to identify and determine the value of all taxable real and personal property, for the purpose of equitable distribution of tax liabilities of each property owner within their tax district.

The Assessor is required by law to value property at 100% of market value and to assure that all values are equitable, fair and uniform to all property owners in Garfield County. Properties in Garfield County are revalued every year with a physical inspection every 6 years.

2017 Real Property valuation notices were mailed 8/28/2017

If you wish to appeal the new value of your property, you must file a petition with the Garfield County Board of Equalization (BOE) within 30 days from the mailing date on the front of the official Property valuation notice.

Assessor News

  • 2018 Tax Info There have been some questions regarding HB 2242 which was recently enacted by the Washington State Legislature to more fully fund basic education in Washington State.  Click here for information on how this may affect Garfield County residents.


  • Begininning in October 2017 a county appraiser will be working door to door in the following areas:

A Garfield County Assessor's office appraiser is actively working physical inspections in the City area of Mulkeys Addition; Depot Addition; Day's Addition.  County inspections are scheduled for areas with township and ranges as follows: 12-42.

If you have any questions regarding physical inspection areas please call the Assessor's office 509-843-3631.

We greatly appreciate your cooperation and understanding as we make these state-mandated physical inspections. 


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