Check an address
Summit County, UT

Summit 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 a Summit County assessment, file with the Summit County Board of Equalization; in Utah the deadline is September 15 or 45 days after the valuation notice is mailed, whichever is later. 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 Summit 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.

By checking an address you agree to the Terms and Privacy Policy. We keep an address only if you add it to a dashboard; we never sell it.

How to file

How to file in Summit 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

Summit County questions

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

Utah law sets it: Later of September 15 or 45 days after the valuation notice is mailed (Utah Code §59-2-1004(3)(a)). Confirm the exact date on your notice or with the assessor.

Who hears a appeal in Summit County?

The Summit County Board of Equalization hears the first appeal. Filing rules: Utah Code §59-2-1004(3).

What value should I compare on my Utah notice?

The figure labeled “This Year's Market Value”. Utah appeals are argued against market value as of January 1 of the tax year (Utah Code §59-2-103(2)), and comparable assessments of similar homes are also a recognized argument.

Your home

Check whether yours is over-assessed

Nearby

Nearby counties

Morgan County · Wasatch County · Duchesne County · Salt Lake County · Rich County · Weber County · Utah County

Sources
  1. Utah Code §59-2-102 (definitions)
  2. Utah Code §59-2-103 (fair market value, residential exemption)
  3. Utah Code §59-2-919.1 (valuation notice)
  4. Utah Code §59-2-1004 (appeal to county board)
  5. U.S. Census Bureau, county population estimates (2024) and county gazetteer (2024).