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About

About The Assessment Department

aerial view of the bridges in the city of Corvallis.

The mission of the Assessor’s office is to administer the property tax program accurately, fairly, and efficiently, in compliance with Oregon State tax laws, and to provide the highest level of customer service to those that we serve. Assessment is responsible for valuing all real and business personal property at 100% Real Market Value, establishing the Assessed Value for every property account, maintaining property information and ownership, and administering various special programs such as exemptions, special assessments, and manufactured home processing.

  • Primary functions include valuing all real and business personal property, mapping, administration of special programs such as farm/forest special assessment, maintaining property ownership and information, processing all exemptions, calculating taxable values and property taxes for all properties.
  • In 2023 our department valued 40,384 real and personal property accounts in the County at a real market value of $24.2 Billion, with a total Assessed value of $10,776,944,135.
  •  Total taxes extended in 2023 were $193,792,511 for 51 taxing districts.
  • Every year the department reviews all taxing district budget request, enters all requested rates and amounts; computes the annual tax rates for all taxing districts, and assures uniform distribution of taxes to those districts. 
  • Assessment maintains and updates nearly 1,452 maps consisting of 37,270  tax lots which are utilized by various county and city departments as well as numerous other agencies and the general public.
aerial view of a foggy forest.

Our Team

PositionContact Information
Assessorassessmentinfo@bentoncountyor.gov
Chief Deputyassessmentinfo@bentoncountyor.gov
Chief Appraiserassessmentinfo@bentoncountyor.gov
Residential Appraisersresappraise@bentoncountyor.gov
Commercial/Industrial Appraiserscomappraise@bentoncountyor.gov
Sales Dataassessmentsales@bentoncountyor.gov
Farm/Forestfarmforest@bentoncountyor.gov
Appealsassessappeals@bentoncountyor.gov
Business Personal Propertypersonal.property@bentoncountyor.gov
Manufactured Homesmanufactured.homes@bentoncountyor.gov
Addressingaddressing@bentoncountyor.gov
Exemptionsassessmentexempt@bentoncountyor.gov
Mapping/GISassessmentmap@bentoncountyor.gov
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