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County Assessor

Unofficial result: Won — Rebecca Arnold (Republican)

Source: results.voteidaho.gov

Ada County, Idaho
My vote power: Above average

What does this office do?

  • Setting the value of your home or land for tax purposes
  • Approving property tax exemptions, such as homeowner or veteran discounts
  • Keeping property maps and assessment records

Affects: Anti-Corruption, Government Efficiency, Housing Affordability,

Candidates:

Democratic

Erik Olson is chairman of the Idaho Soil & Water Conservation Commission and a Democratic candidate for Ada County Assessor. He previously worked as a policy analyst for the Idaho Governor’s Office of Energy and Mineral Resources and as a legislative analyst for Washington’s Department of Licensing.

Republican · Incumbent

Rebecca Arnold is the incumbent Ada County Assessor and the Republican nominee for the 2026 general election.

Records: Government Efficiency 1 for

Sources: results.voteidaho.gov · voteidaho.gov