Click to Home
Go To Search
RSSEmailPrint
Emergency Alert
Columbia County
341 E. Main St.
Dayton, WA 99328


Assessor
Responsibilities
Contact
Chris Mills
Assessor

341 E. Main St.
Suite 6
Dayton, WA  99328

Ph: (509) 382-2131
Fx: (509) 382-4830

Hours
Monday - Friday
8:30 am - 4:30 pm
The county Assessor determines the value of all taxable real and personal property in the county for the purpose of distributing tax liabilities in an equitable manner. 

Tax Exemption Records
The Assessor is also responsible for processing and maintaining records regarding tax exemptions including:
  • Churches
  • Historical properties
  • Public properties
  • Programs like open space and forest land
  • Senior citizens

Personal Property Information


As a business owner in Washington State you are responsible for filing a personal property listing with your local Assessor's Office by April 30th each year. 



Property Information
For property information questions, please email Deputy Assessor Melanie Mings or Chief Appraiser Tammy Ketterman or call (509) 382-2131.


News and Announcements
NOTICE: Indigent Defense Contract Proposals
Columbia County is currently accepting proposals to assume the contract for one-half of the indigent defense for the Superior and District/Municipal Courts for the remaining 2020 year. The contract is renewable annually upon mutual agreement. Interested Read on...
NOTICE: 5 New COVID-19 Cases in Columbia County
Columbia County has five new positive COVID-19 cases. These five new cases were due to a household connected outbreak and all are linked to one source. At this time, we believe it is not community spread and ongoing testing is being completed. All Read on...
View All
Home Contact Us Sitemap Accessibility Copyright Notice Powered by CivicPlus