Filing a Petition


Settling disagreements on property value.

Real Property and Personal Property

Property owners can often settle disagreements at this level without continuing the appeal process. However, you still need to preserve your appeal rights by timely filing your appeal form with the Board of Equalization. 

You can contact Whitman County Assessor’s office by calling 509-397-6220 to review your valuation whenever you have questions about your property value.

Assessor's Office Hours 

9:00 AM to 12:00 PM  

(closed during the lunch hour) 

 1:00 PM - 4:00 PM

Petition Filing Instructions  

To begin your appeal process, please click the link below and thoroughly read all information provided in the Washington State Department of Revenue document:

"Appealing Your Property Assessment to the County Board of Equalization"


Office Hours and Location

The office of the Whitman County Board of Equalization is open Monday - Thursday, 9 a.m. – 4 p.m. The office is located in the Whitman County Public Service Building, 310 N Main Street, Colfax, WA 99111.


Helpful Contacts

Whitman County Assessor’s Phone (509) 397-6220. 


The Clerk of the Board can assist you in answering questions as time allows.  or phone (509) 397-5251.