Utah property tax appeals
Review the sourced process overview below, then get the Utah DIY Appeal Kit with an evidence workbook, filing controls, official links, and an editable appeal letter in one PDF. No parcel-specific comps.
How a Utah appeal actually works
Every statement below is cited to its primary source and shows the date we verified it. Where we could not confirm something from a primary source, we say so instead of guessing. Dataset last re-verified 2026-08-13.
Missed the main deadline? Utah has 4 remedies most homeowners never hear about
County pages rarely surface these. Each one is a distinct legal route with its own clock.
Qualified real property presumption - the statutory repeat-appeal advantage
Not a separate remedy so much as a compounding benefit of having appealed before, but it is the highest-value structural feature of the Utah code for a subscription business and belongs on the product roadmap as a distinct offering. If a taxpayer (or the county assessor) appealed the property's valuation or equalization for the PREVIOUS taxable year and that appeal produced a FINAL ASSESSED VALUE LOWER THAN THE ASSESSED VALUE, and the current year's assessed value is higher than the 'inflation adjusted value,' and no 'qualifying change' occurred, then the property is 'qualified real property' and Sec. 59-2-1004(4)(b) COMMANDS that 'the county board of equalization shall presume that the fair market value of the qualified real property is equal to the inflation adjusted value.' The inflation adjusted value is last year's final assessed value moved by the median property value change for the same class of property in the same county and same market area. The assessor must supply that figure to the board within 15 business days of learning of the appeal (Sec. 59-2-1004(2)(c)(i)(A)), and to the Commission within 15 business days on a Sec. 59-2-1006 appeal (Sec. 59-2-1004(2)(c)(i)(B)). The taxpayer may not challenge the CALCULATION of inflation adjusted value but may challenge fair market value and may challenge whether a qualifying change occurred (Sec. 59-2-1004(2)(c)(ii)). PRODUCT CONSEQUENCE: year one is a normal contested appeal; year two the government starts from a presumption in the customer's favor, and the customer's principal task is defending against a claimed 'qualifying change.' Renewal economics are exceptional and should be priced accordingly. WATCH THE QUALIFYING-CHANGE TRIPWIRE: a physical improvement whose own fair market value equals or exceeds the greater of 10 percent of the property's fair market value or $20,000 destroys qualified status, as does a zoning change or legal-description change that raises value.
When:
primary source · verified
Qualifying contract near-conclusive valuation for recent purchasers
For an appeal involving residential property that is NOT qualified real property, a taxpayer who submits a 'qualifying contract' - a contract for the completed sale of the residential property, identifying the final sales price, executed within SIX MONTHS BEFORE OR AFTER the January 1 lien date - obtains near-conclusive proof of fair market value. Under Sec. 59-2-1004(6)(b) the board or hearing officer may consider ONLY three categories of rebuttal evidence: evidence disputing the arms-length nature of the transaction; evidence that market conditions changed between contract execution and the lien date; or evidence that a qualifying change to the property occurred in that interval. Sec. 59-2-1004(6)(c) bars the board from considering any evidence other than what the parties submitted. PRODUCT CONSEQUENCE: any Utah homeowner who purchased between roughly July 1 of the prior year and July 1 of the current year, and whose assessment exceeds the purchase price, has a statutorily near-unlosable appeal. This is the single cheapest, highest-conversion Utah segment. Target recent-purchase records directly.
When:
primary source · verified
Commission-rule mandatory acceptance of a late-filed county board appeal
Utah Code Sec. 59-2-1004(3)(b): 'In accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, the commission shall make rules providing for circumstances under which the county board of equalization IS REQUIRED to accept an application to appeal that is filed after the time period prescribed in Subsection (3)(a).' The statute mandates that such rules exist and that acceptance be REQUIRED, not discretionary, in the circumstances the rules specify. This is a real late-filing safety valve for customers who miss September 15.
When:
primary source · verified
Tax Commission admission of additional evidence on appeal
Utah Code Sec. 59-2-1006(3): in reviewing a county board decision, the commission MAY (a) admit additional evidence; (b) issue orders it considers just and proper; and (c) make any correction or change in the assessment or order of the county board. Unlike Nevada, where NRS 361.360(2) freezes the record at the county board, Utah permits the second-level body to take new evidence. A weak county-board record is repairable in Utah. This materially reduces the cost of a fast, low-touch county board filing and supports a two-stage service design.
When:
primary source · verified
What evidence wins in Utah
Utah is a fair-market-value state (Sec. 59-2-103(2): 'All tangible taxable property located within the state shall be assessed and taxed at a uniform and equal rate on the basis of its fair market value, as valued on January 1, unless otherwise provided by law'), but the appeal statute builds in BOTH a market-value theory and an equalization/uniformity theory and then adds an unusually taxpayer-friendly evidence rule for residential property. THE DUAL THEORY IS IN THE MANDATORY APPLICATION CONTENTS - Sec. 59-2-1004(4)(a)(i) requires the application to include 'the taxpayer's estimate of the fair market value of the property AND any evidence that may indicate that the assessed valuation of the taxpayer's property is improperly equalized with the assessed valuation of comparable properties.' Note the phrase 'improperly equalized with the ASSESSED VALUATION of comparable properties' - that is an express, statutorily invited ASSESSMENT-COMPARABLES uniformity claim, directly analogous to the Texas Sec. 41.43(b)(3) theory. THE QUALIFYING CONTRACT RULE IS THE MOST POWERFUL EVIDENCE PROVISION IN THIS ENTIRE REGION FOR A RECENT PURCHASER. Sec. 59-2-1004(1)(h) defines 'qualifying contract' as a contract for the completed sale of residential property that (i) involves residential property for which a taxpayer appealed the valuation or equalization to the county board of equalization; (ii) identifies the final sales price for that residential property; and (iii) IS EXECUTED WITHIN SIX MONTHS BEFORE OR AFTER THE APPLICABLE LIEN DATE. 'Applicable lien date' is January 1 of the year in which the valuation or equalization is appealed (Sec. 59-2-1004(1)(a)). Sec. 59-2-1004(6) then applies to appeals involving residential property that is NOT qualified real property, and provides VERBATIM at (6)(b): 'If a qualifying contract is submitted as evidence in an appeal described in Subsection (6)(a), THE ONLY EVIDENCE that the county board of equalization or hearing officer MAY CONSIDER to determine that the final sales price identified in the qualifying contract does not provide an accurate or reliable indication of the fair market value of the residential property is evidence of the following, if submitted: (i) evidence disputing the nature of the qualifying contract as an arms-length transaction; (ii) evidence demonstrating that changes in market conditions have occurred in the time period between the day on which the qualifying contract was executed and the applicable lien date; or (iii) evidence demonstrating that a qualifying change to the residential property has occurred in the time period between the day on which the qualifying contract was executed and the applicable lien date.' In other words: a homeowner who bought within six months either side of January 1 and submits the contract has established fair market value at the purchase price, and the assessor may rebut it ONLY on three enumerated grounds. Sec. 59-2-1004(6)(c) closes the loop: 'In determining the fair market value of residential property in an appeal described in Subsection (6)(a), the county board of equalization may not consider any evidence or information other than the evidence submitted to the county board of equalization by the parties in the appeal.' MANDATORY EVIDENCE EXCHANGE - Sec. 59-2-1004(7)(a): at least FIVE DAYS before the day on which the county board holds a public hearing on an appeal, (i) the county assessor shall provide the taxpayer any evidence the assessor relies upon in support of the assessor's valuation, and (ii) the taxpayer shall provide the county assessor any evidence not previously provided that the taxpayer relies upon in support of the appeal. Sec. 59-2-1004(7)(b)(i) excepts commercial information as defined in Sec. 59-1-404 where the assessor requires a nondisclosure agreement for Sec. 59-1-404 compliance.
primary source · verified 2026-08-12
The appeal ladder, in Utah's own terms
- 1
County Board of Equalization
Deadline: VERBATIM Utah Code Sec. 59-2-1004(3)(a): 'Except as provided in Subsection (3)(b) and for purposes of Subsection (2), a taxpayer shall make an application to appeal the valuation or the equalization of the taxpayer's real property on or before the later of: (i) September 15 of the current calendar year; or (ii) the last day of a 45-day period beginning on the day on which the county auditor provides the notice under Section 59-2-919.1.' This is a FIXED date (September 15) with a RELATIVE alternative (45 days from the county auditor's Sec. 59-2-919.1 notice, commonly the Notice of Property Valuation and Tax Changes or 'Truth in Taxation' notice), and the LATER of the two controls. NOTE PRECISELY: the 45-day period BEGINS on the day the auditor PROVIDES the notice, and the deadline is 'the last day of a 45-day period beginning on' that day - so the notice day itself is day one. LATE-FILING RULES EXIST BY RULE, NOT BY STATUTE: Sec. 59-2-1004(3)(b) provides that the Utah State Tax Commission 'shall make rules providing for circumstances under which the county board of equalization is required to accept an application to appeal that is filed after the time period prescribed in Subsection (3)(a).' There is therefore a mandatory-acceptance late-filing pathway, but its contours live in Tax Commission rule, not in the statute. FILING METHODS - Sec. 59-2-1004(2)(a): the taxpayer may appeal by (i) filing the application with the county board of equalization, or (ii) making an application BY TELEPHONE within the same time period if the county legislative body has passed a resolution under Subsection (11) authorizing telephone applications. Sec. 59-2-1004(2)(d) requires every county board to ensure a taxpayer can access and file an appeal application THROUGH ELECTRONIC MEANS.
Clock starts: The later of (a) the fixed calendar date September 15, or (b) the last day of a 45-day period beginning on the day the county auditor provides the notice under Utah Code Sec. 59-2-919.1
Utah Code Sec. 59-2-1004(2), (3) · primary source · verified 2026-08-12
Form: Application to appeal the valuation or equalization of real property (contents prescribed by county board rule)
primary source · verified 2026-08-12
Fee: $0
No filing fee is authorized by Utah Code Sec. 59-2-1004 for an appeal to the county board of equalization · primary source · verified 2026-08-12
- 2
Utah State Tax Commission
Deadline: THIRTY DAYS, filed with the COUNTY AUDITOR, not with the Commission. VERBATIM Utah Code Sec. 59-2-1006(1): 'Any person dissatisfied with the decision of the county board of equalization concerning the assessment and equalization of any property, or the determination of any exemption in which the person has an interest, or a tax relief decision made under designated decision-making authority as described in Section 59-2-1101 or Chapter 2a, Tax Relief Through Property Tax, may appeal that decision to the commission by: (a) filing a notice of appeal specifying the grounds for the appeal with the county auditor within 30 days after the final action of the county board or entity with designated decision-making authority described in Section 59-2-1101 or Chapter 2a, Tax Relief Through Property Tax; and (b) if the county assessor valued the property in accordance with Section 59-2-301.8 and the taxpayer intends to contest the value of personal property located in a multi-tenant residential property, as that term is defined in Section 59-2-301.8, submitting a signed statement of the personal property with the notice of appeal.' TWO TRAPS. FIRST, the notice of appeal goes to the COUNTY AUDITOR, not the Tax Commission - filing directly with the Commission does not perfect the appeal. Sec. 59-2-1006(2) then makes the auditor responsible for filing one notice with the Commission and certifying and transmitting the county board minutes, all documentary evidence received in that proceeding, and a transcript of any preserved testimony. SECOND, the notice must SPECIFY THE GROUNDS FOR THE APPEAL. THE HEARING IS NOT STRICTLY LIMITED TO THE COUNTY RECORD - Sec. 59-2-1006(3): 'In reviewing a decision described in Subsection (1), the commission may: (a) admit additional evidence; (b) issue orders that it considers to be just and proper; and (c) make any correction or change in the assessment or order of the county board of equalization or entity with decision-making authority.' The discretionary power to admit additional evidence makes Utah materially more forgiving than Nevada, where NRS 361.360(2) freezes the record at the county board.
Clock starts: The final action of the county board of equalization (or of the entity with designated decision-making authority)
Utah Code Sec. 59-2-1006(1), (2), (3) · primary source · verified 2026-08-12
Form: Notice of appeal specifying the grounds for the appeal, filed with the county auditor
primary source · verified 2026-08-12
Fee: $0
No filing fee is authorized by Utah Code Sec. 59-2-1006 for an appeal to the Utah State Tax Commission · primary source · verified 2026-08-12
- 3
Utah district court (judicial review of the Tax Commission decision)
Not confirmed from a primary source: The AVAILABILITY of judicial review is VERIFIED by cross-reference: Sec. 59-2-1004(1)(b)(iii) defines 'final assessed value' to include 'for real property for which the taxpayer or a county assessor sought judicial review of the valuation or equalization in accordance with Section 59-1-602 or Title 63G, Chapter 4, Part 4, Judicial Review, the value given the real property by the commission.' The FILING DEADLINE for judicial review was NOT extracted from primary text in this pass. DO NOT PUBLISH A UTAH JUDICIAL-REVIEW DEADLINE until Utah Code Sec. 59-1-602 and Sec. 63G-4-401/402 are read directly. This is a safety-critical gap. Check the official page before relying on this.Not confirmed from a primary source: Not retrieved. Judicial review is commenced by petition; no prescribed form identified. Check the official page before relying on this.Not confirmed from a primary source: Not verified from a primary source. Check the official page before relying on this.
Who has to prove what
Not stated as a numeric standard in Sec. 59-2-1004. What IS stated is a mandatory presumption and a mandatory weighing framework. THE TAXPAYER-FAVORABLE PRESUMPTION - VERBATIM Sec. 59-2-1004(4)(b): 'For an appeal involving qualified real property, the county board of equalization shall presume that the fair market value of the qualified real property is equal to the inflation adjusted value.' 'Qualified real property' is defined at Sec. 59-2-1004(1)(f) as real property (i) for which (A) the taxpayer or a county assessor appealed the valuation or equalization for the PREVIOUS taxable year to the county board under this section or to the commission under Sec. 59-2-1006; (B) that appeal RESULTED IN A FINAL ASSESSED VALUE THAT WAS LOWER THAN THE ASSESSED VALUE; and (C) the assessed value for the CURRENT taxable year is HIGHER than the inflation adjusted value; and (ii) that, on or after January 1 of the previous taxable year and before January 1 of the current taxable year, has NOT had a 'qualifying change.' 'Inflation adjusted value' is defined at Sec. 59-2-1004(1)(c) as the value of the property as calculated by changing the FINAL ASSESSED VALUE FOR THE PREVIOUS TAXABLE YEAR by the 'median property value change,' which Sec. 59-2-1004(1)(d) defines as the midpoint of the property value changes for all real property that is of the same class as the qualified real property AND located within the same county and within the same market area. 'Property value change' is the percentage change in fair market value on or after January 1 of the previous year and before January 1 of the current year (Sec. 59-2-1004(1)(e)). 'Qualifying change' is defined at Sec. 59-2-1004(1)(g) as, occurring on or after January 1 of the previous taxable year and before January 1 of the current taxable year: (i) a physical improvement if, solely as a result of the physical improvement, the fair market value of the physical improvement equals or exceeds the greater of 10 percent of fair market value of the real property or $20,000; (ii) a zoning change, if fair market value increases solely as a result; or (iii) a change in the legal description of the real property, if fair market value increases solely as a result. PROCEDURAL SUPPORT FOR THE PRESUMPTION - Sec. 59-2-1004(2)(c)(i)(A): the county assessor shall notify the county board of a qualified real property's inflation adjusted value within 15 BUSINESS DAYS after the assessor receives notice that the taxpayer filed an appeal with the board; (B) the same 15-business-day duty runs to the commission when an appeal is filed there. Sec. 59-2-1004(2)(c)(ii)(A): a person may NOT appeal the assessor's CALCULATION of inflation adjusted value, but MAY appeal the fair market value of qualified real property. (B): a person MAY appeal a determination of whether the property had a qualifying change. And Sec. 59-2-1004(2)(b)(ii)(A)-(B) requires the appeal application form itself to carry information about the burden of proof in an appeal involving qualified real property and the process for learning the inflation adjusted value.
primary source · verified 2026-08-12
When values are set
Annual, with a January 1 lien date. Utah Code Sec. 59-2-103(2): 'All tangible taxable property located within the state shall be assessed and taxed at a uniform and equal rate on the basis of its fair market value, as valued on January 1, unless otherwise provided by law.' Sec. 59-2-1004(1)(a) confirms 'applicable lien date' means January 1 of the year in which the valuation or equalization of real property is appealed. Sec. 59-2-1004(1)(e) defines 'property value change' as the percentage change in fair market value on or after January 1 of the previous year and before January 1 of the current year, which presupposes annual revaluation. The appeal season is driven by the county auditor's Sec. 59-2-919.1 notice, which triggers the 45-day alternative deadline.
primary source · verified 2026-08-12
How counties differ
Utah's DEADLINE is statewide in structure - the later of September 15 or 45 days from the county auditor's Sec. 59-2-919.1 notice - but the effective date varies by county because the auditor's notice date varies by county. Where a county issues its Sec. 59-2-919.1 notice late enough that 45 days runs past September 15, that county's deadline is later than every other county's. The product must ingest each county auditor's notice date annually rather than hard-coding September 15. THE FORM VARIES BY COUNTY BY STATUTORY DESIGN: Sec. 59-2-1004(2)(b)(i) provides that 'The county board of equalization shall make a rule describing the contents of the application.' There is no statewide form. Every county's application must nonetheless include information about the burden of proof in an appeal involving qualified real property and the process for learning the inflation adjusted value (Sec. 59-2-1004(2)(b)(ii)). FILING CHANNEL VARIES: telephone application is available only where the county legislative body has passed a resolution under Sec. 59-2-1004(11) authorizing it (Sec. 59-2-1004(2)(a)(ii)), so telephone filing is a county-by-county option. Electronic filing, by contrast, is mandatory in every county - Sec. 59-2-1004(2)(d) requires each county board to ensure taxpayers can access and file an application through electronic means. The 'median property value change' that drives the qualified-real-property presumption is computed per county AND per market area within that county (Sec. 59-2-1004(1)(d)), so the presumption's numeric effect is inherently sub-county. Salt Lake, Utah, and Davis counties together hold the large majority of Utah residential parcels and should be the first three county integrations.
Utah appeal deadline
Deadlines varyUtah deadlines are set locally.
The deadline is almost always printed on the assessment notice your local assessor mails you. Use that date, it is the one that counts.
Are you missing a Utah exemption?
Exemptions cut your bill before any appeal even starts, and most homeowners never claim all the ones they qualify for. Answer four questions:
Is your Utah home over-assessed?
The whole appeal hinges on one comparison: your assessed value (from your tax notice) versus your home's market value (what it would sell for today). Put both in:
How to find your home's real market value (free) →
- Pull free estimates. Look up your address on Zillow (“Zestimate”) and Redfin (“Redfin Estimate”). Average them, algorithms run high or low, so two beats one.
- Find 3-5 real comparable sales. Same neighborhood, similar size, beds/baths, age, and condition, sold in the last 6-12 months. Recent sales (not listings) are the strongest evidence a board will accept.
- Adjust for differences. Knock value off comps that are bigger or renovated; add for ones that are smaller or dated, so you're comparing like-for-like.
- Compare to your assessment. If your assessed value sits clearly above that adjusted market figure, you have grounds to appeal.
One catch: some states assess at a fraction of market value (an “assessment ratio”). If your notice shows a ratio or an “equalized” value, compare your implied full value to market, not the raw assessed number.
How property tax appeals generally work
Most states follow the same basic path: your local assessor mails an assessment notice with a value and a deadline; you file an appeal (often called a protest, grievance, or petition) before that deadline; you present comparable sales of similar homes; and a local board reviews the evidence and can lower your value.
The exact form, deadline, and board can vary by county. Use the current assessment notice and the official sources linked above to confirm the controlling local requirements. The paid kit organizes that verification, the evidence, the filing steps, and your editable letter in one place.
Want to see the depth we build per state? Take a look at our Texas, Florida, and Georgia guides.