Department of Assessment

The Assessment Department moved to 4500 SW Research Way.


COVID-19 SAFETY MEASURES – While the public lobby has reopened; we ask that that you continue to call our office for  in-person appointments.  Please contact us for assistance by, telephone 541-766-6855; or email Visit our property account search for specific property account questions.


What Is The Assessment Department Responsible For?

  • Assess all properties in Benton County as of January 1, of each year. Did a Benton County Appraiser visit you?
  • Administer special programs such as special assessments, senior deferral, veteran and active-duty military exemptions, enterprise zones, and various other property tax exemptions.
  • Maps.
  • Property information and ownership.
  • Review taxing district budgets, compute tax rates for districts and assures that distribution of the tax levies are uniform.

Understanding Measure 50 And Your Taxable Value:

Above video courtesy of Deschutes County, Oregon

What do Property Taxes Pay For?

When Appealing Your Property Tax