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Assessment and Taxation

Our mission is to appraise property accurately and to collect and distribute taxes in a timely manner. Our sole purpose is to be fiscally responsible to the citizens of Umatilla County while providing the highest level of integrity, efficiency and customer service.


Featured Services

Pay Property Taxes

View various ways to pay your property taxes, such as online, by mail, or in person

Change Mailing Address

Fill out a simple form that allows you to change your mailing address

Property Search Online

Search for and examine your property through our online web portal

Interactive County Map

Utilize an interactive county map to help with your assessment needs

Welcome to the Umatilla County Department of Assessment and Taxation

Our department's responsibilities include the following:

  • Administer all Special Assessment Statutes that pertain to certain classes of property
  • Estimate the market value of each taxable property
  • Inventories all property - including quality, quantity, and important characteristics
  • Manage special programs such as farm and forest assessments, veterans' exemptions, senior/disabled deferrals, and all exemption programs
  • Prepare, maintain and provide maps (including subdivision, partitioning and code identification) and provide information on property locations, descriptions and ownership on all taxable and exempt property
  • Prepare the assessment roll
  • Review and prepare property review requests, appeals, and explains the assessment process used

Taxes will be updated after October 25th of any given year.
Please Note: For accurate figures on property within multiple tax district code areas (AKA: combined split codes) please call the Assessors office at 541-278-6219.