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Adams County, ID

Adams County property tax appeal 2027: deadline, forms and how to file

Scan from recent salesFacts not yet verified by a person — confirm on your notice

To appeal an Adams County assessment, file with the Adams County Board of Equalization; in Idaho the deadline is the fourth Monday of June. Confirm the exact date on your notice or with the assessor; we add each county's 2027 date here when it is published.

Data as of 20 Oct 2026 · the Adams County assessor
Your home

Check your own assessment

Free. We compare the value on your notice with recent sales of similar homes nearby and tell you whether an appeal is worth filing. Have your assessment notice and tax bill handy.

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How to file

How to file in Adams County

  1. Step 1

    File the appeal

    Use the method your notice lists, by the deadline on the notice.

  2. Step 2 · before the hearing

    Prepare and submit your evidence

    Comparable assessed values, photographs of condition issues and recent sales where they are public. Ask the appraisal office for the evidence it will use.

  3. Step 3

    Meet, then hear

    An informal review usually comes before a formal hearing; most reductions happen at the informal stage.

Before you file: how to read your notice · evidence that works · informal vs formal hearing · when not to appeal

Questions

Adams County questions

Data as of 20 Oct 2026 · Idaho statutes
When is the property tax appeal deadline in Adams County?

Idaho law sets it: Fourth Monday of June, by close of county business hours, for the regular property roll; fourth Monday of November for the subsequent roll (Idaho Code §63-501A). Confirm the exact date on your notice or with the assessor.

Who hears a appeal in Adams County?

The Adams County Board of Equalization hears the first appeal. Filing rules: Idaho Code §63-501A.

What value should I compare on my Idaho notice?

The figure labeled “Market Value”. Idaho appeals are argued against market value as of January 1 of the assessment year (market value, 100%).

Your home

Check whether yours is over-assessed

Nearby

Nearby counties

Washington County · Valley County · Gem County · Payette County · Boise County · Idaho County · Canyon County

Sources
  1. Idaho Code §63-501A (appeal to county board of equalization)
  2. Idaho Code §63-308 (assessment notice)
  3. Idaho Code §63-602G (homeowner’s exemption)
  4. Kootenai County, Understanding the Property Tax Process (quotes §63-502)
  5. U.S. Census Bureau, county population estimates (2024) and county gazetteer (2024).