States/Ohio
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Ohio property tax appeals

Review the sourced process overview below, then get the Ohio 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 Ohio 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? Ohio has 5 remedies most homeowners never hear about

County pages rarely surface these. Each one is a distinct legal route with its own clock.

Destroyed or damaged property valuation deduction (DTE 26)

Where property listed for taxation for the current year has been destroyed or injured after January 1 of the current year, the county auditor investigates and adjusts the valuation on the current-year tax list. Notice is given on a form prescribed by the Department of Taxation, by the property owner OR by two disinterested residents of the township or municipality; the auditor may also complete the form on the owner's behalf after inspection. The deduction is prorated by the quarter in which the injury or destruction occurred: Q1 equals 100 per cent of the amount that fairly represents the extent of the injury; Q2 equals 75 per cent; Q3 equals 50 per cent; Q4 equals 25 per cent. NO deduction where the damage is less than $100. The prescribed form is DTE 26, 'Application for Valuation Deduction for Destroyed or Damaged Real Property', Rev. 05/22.

When:

primary source · verified

Homestead Exemption

Reduction in real property or manufactured home taxes under ORC 323.152(A) for qualifying owners - including applicants qualifying by age and income, by permanent and total disability (physician or licensed psychologist certificate required, or agency certification), by disabled-veteran status (VA letter required), or as the surviving spouse of a public service officer killed in the line of duty. Filed with the county auditor of the county where the homestead is located; housing-cooperative occupants file with the corporation, which files with the auditor by May 15. An approved application is a CONTINUING application. A late application for the immediately preceding year may be filed with the original application; the resulting reduction is treated as an overpayment and refunded under ORC 5715.22.

When:

primary source · verified

Owner Occupancy Credit

Reduction in real property or manufactured home taxes under ORC 323.152(B)(2) for an owner-occupied homestead. The application is filed with the county auditor under ORC 323.153(A)(2), and is required ONLY if the homestead or manufactured home was transferred in the preceding year or did not qualify for and receive the reduction for the preceding tax year. For homesteads transferred in the preceding year the application is incorporated into the auditor's conveyance form under ORC 319.20, which is why ORC 319.202(A) requires the conveyance statement to advise the grantee of eligibility and of the duty to notify the auditor when they no longer qualify. Once approved it is a CONTINUING application. Failing to notify the auditor that you no longer qualify triggers a recoupment charge plus interest against the property; that charge is appealable to the county board of revision.

When:

primary source · verified

Remission of illegally assessed taxes or late-payment penalty

Two distinct remedies. (1) TAX COMMISSIONER: may remit real property taxes, manufactured home taxes, penalties, and interest found by the commissioner to have been ILLEGALLY ASSESSED; may also remit a penalty on property that was the subject of a good-faith exemption application under ORC 5715.27. (2) COUNTY AUDITOR, in consultation with the treasurer: SHALL remit a LATE-PAYMENT PENALTY where (a) the taxpayer could not pay timely because of the auditor's or treasurer's negligence or error, (b) the taxpayer failed to receive a tax bill or a correct bill and made a good-faith effort to obtain one within 30 days after the last day for payment, (c) death, serious injury, or hospitalization occurred within the 60 days preceding the last payment day and the tax was paid within 60 days after, (d) full payment was properly deposited in the mail in time to bear a USPS postmark on or before the last payment day (A PRIVATE METER POSTMARK IS NOT VALID), or (e) after a mortgage payoff the mortgagee failed to notify the treasurer and no bill was sent. If the auditor denies remission, the auditor SHALL present the application to the BOARD OF REVISION, which must remit if any of (B)(1) through (5) applies or if the failure to pay timely was due to REASONABLE CAUSE AND NOT WILLFUL NEGLECT. A board of revision decision on a 5715.39 remission application is noticed under ORC 5715.20(A), which starts the 30-day ORC 5717.01 appeal clock. LIMITATION: ORC 5715.39(E) provides NO remedy for any matter the taxpayer may complain of under ORC 4503.06, 5715.19, 5717.02, or 5727.47 - it is NOT a substitute for a valuation complaint.

When:

primary source · verified

Board of Tax Appeals small claims docket

A statutory small-claims track inside the Board of Tax Appeals. ELIGIBILITY (ORC 5703.021(B)): an appeal qualifies if it is either (1) commenced under ORC 5717.01, i.e. a board of revision valuation appeal, AND the property at issue qualifies for the PARTIAL TAX EXEMPTION described in ORC 319.302 (the residential and agricultural 10 per cent rollback), with NO dollar cap; or (2) commenced under ORC 5717.011 or 5717.02 where the amount in controversy claimed by the taxpayer does not exceed $10,000 exclusive of interest and penalty (the Board may modify this threshold by rule). ASSIGNMENT (C): only on request of the appellant taxpayer, or, where the appellant is not a taxpayer, on a filed written consent statement from every taxpayer party. REASSIGNMENT (D): the Board SHALL move a case to the regular docket on a taxpayer party's request, or where the appeal presents an issue of public or great general interest or a constitutional issue. PROCEDURE (E): informal review, may include telephonic hearings. TWO CRITICAL TRADE-OFFS: (F) a small claims decision 'shall be conclusive as to all parties and MAY NOT BE APPEALED,' and is not precedent in any other case; (G) an attorney is permitted but NOT required, and a non-natural-person party appearing through a bona fide officer, partner, member, trustee, or salaried employee may NOT, absent an Ohio-licensed attorney, engage in cross-examination, argument, or other acts of advocacy.

When:

primary source · verified

What evidence wins in Ohio

ORC 5713.03: the county auditor, 'from the best sources of information available,' determines as nearly as practicable the TRUE VALUE OF THE FEE SIMPLE ESTATE, AS IF UNENCUMBERED but subject to effects from the exercise of police powers or other governmental actions. Arm's-length sale: 'if such tract, lot, or parcel has been the subject of an arm's length sale between a willing seller and a willing buyer within a reasonable length of time, either before or after the tax lien date, the auditor MAY consider the sale price of such tract, lot, or parcel to be the true value for taxation purposes.' Two statutory exclusions: the arm's-length sale price shall NOT be considered true value if, subsequent to the sale, (A) the parcel loses value due to some casualty, or (B) an improvement is added. Note the word 'may,' not 'shall' - the current text is permissive, so a recent purchase price is strong but not automatically conclusive. Taxable value equals true value reduced by the percentage ordered by the tax commissioner. UNIFORMITY AND DISCRIMINATION CLAIMS ARE EXPRESSLY AVAILABLE: ORC 5715.19(A) and (D) list 'discriminatory valuation' as a ground of complaint, and ORC 5717.05 directs that where the appeal is against a discriminatory valuation the court 'shall determine a valuation that shall correct the discrimination' by increasing or decreasing value 'by a per cent or amount that will cause the property to be listed and valued for taxation by an equal and uniform rule.' ORC 5715.19(F) lets a complainant request the tax commissioner to determine the county's COMMON LEVEL OF ASSESSMENT (expressed as a percentage of true value, based on the commissioner's sales-ratio studies) - a statutory ratio and equalization tool. Constitutional hook: Ohio Const. Art. XII Sec. 2 (uniform rule).

primary source · verified 2026-08-12

The appeal ladder, in Ohio's own terms

  1. 1

    County Board of Revision (complaint is filed WITH THE COUNTY AUDITOR, who presents it to the Board)

    Deadline: On or before March 31 of the tax year following the tax year complained of, OR the date of closing of collection for the first-half real and public utility property taxes for the current tax year, WHICHEVER IS LATER. This 'whichever is later' clause means March 31 is NO LONGER a safe hardcoded deadline. USPS postmark or sender's receipt is the filing date; a PRIVATE METER POSTMARK IS NOT VALID. One complaint per parcel per interim period unless one of 4 exceptions applies (arm's-length sale, casualty loss, substantial improvement added, or an increase or decrease of at least 15 per cent in occupancy having substantial economic impact), or a prior complaint was withdrawn before it was heard. The Board must hear and decide an original complaint within 180 days of the last filing day, or of a counter-complaint filing.

    Clock starts: Statutory calendar date (March 31 of the ensuing tax year), compared against the county-set closing date of first-half tax collection for the current tax year; the LATER of the two controls.

    ORC 5715.19 (effective March 20, 2026, as amended by House Bill 186, 136th General Assembly); evidence-preclusion rule at ORC 5715.19(G) · primary source · verified 2026-08-12

    Form: DTE 1 (companion: DTE 2) — DTE 1 - 'Complaint Against the Valuation of Real Property'. The form states: 'This form is for full market value complaints only. All other complaints should use DTE Form 2.' DTE 2 is 'Complaint Against the Assessment of Real Property Other than Market Value'. Both forms carry checkboxes for 'Original complaint' and 'Counter complaint'. official form

    primary source · verified 2026-08-12

    Fee: $0 (no filing fee)

    ORC 5715.19 - the full text of the section as effective 3/20/2026 was read and contains NO fee or deposit provision for filing a complaint · primary source · verified 2026-08-12

  2. 2

    ELECTION OF FORUM (mutually exclusive): (a) Ohio Board of Tax Appeals under ORC 5717.01, or (b) Court of Common Pleas of the county under ORC 5717.05. ORC 5717.05 expressly makes the common pleas route 'an alternative to the appeal provided for in section 5717.01'; if both are filed from the same board of revision decision, 'the forum in which the first notice of appeal is filed shall have exclusive jurisdiction over the appeal.'

    Deadline: THIRTY DAYS after notice of the board of revision decision is mailed under ORC 5715.20(A). Board of Tax Appeals route: file a notice of appeal with BOTH the Board of Tax Appeals AND the county board of revision (ORC 5717.01). Common pleas route: file the notice of appeal BOTH with the court AND with the board within thirty days after notice of the decision is mailed as provided in ORC 5715.20; the county auditor and all other parties are appellees and must be served by certified mail unless waived. Under ORC 5715.20(A) the clock commences with the MAILING of the decision notice (certified mail, or ordinary mail plus the internet identifier of record). If the notice of appeal is filed by certified mail, express mail, or authorized delivery service, the postmark or the delivery service's recorded receipt date is the filing date; if filed by fax or electronic transmission, the Board's own electronic timestamp controls.

    Clock starts: Mailing of the county board of revision's decision notice under ORC 5715.20(A)

    ORC 5717.01 (effective September 30, 2025, House Bill 96, 136th General Assembly); ORC 5717.05; ORC 5715.20(A) · primary source · verified 2026-08-12

    Not confirmed from a primary source: The Board of Tax Appeals 'File an Appeal' page confirms notices of appeal are generated and filed via the case management system, but no specific numbered form or revision date is published on the pages fetched. Check the official page before relying on this.

    Fee: $0 for the Ohio Board of Tax Appeals (no fee found). NOTE: the Court of Common Pleas alternative under ORC 5717.05 DOES carry clerk-of-court filing costs, set locally by each county.

    ORC 5717.01; ORC 5703.021; Ohio Administrative Code Chapter 5717-1 (Board rules 5717-1-01 through 5717-1-22) - no filing fee, deposit, or cost provision appears in the Board's rule chapter · primary source · verified 2026-08-12

  3. 3

    Appellate review on questions of law - Ohio Court of Appeals / Supreme Court of Ohio

    Not confirmed from a primary source: ORC 5717.04 (appeal from the Board of Tax Appeals to a court of appeals or the Supreme Court of Ohio) was not fetched, so the appellate deadline and venue rules are unverified. Do not state a number. Check the official page before relying on this.
    Not confirmed from a primary source: Not researched; appellate practice is governed by the Ohio Rules of Appellate Procedure, which were not fetched. Check the official page before relying on this.
    Not confirmed from a primary source: Appellate court filing fees are set by court rule and local rule and were not verified. Check the official page before relying on this.

When values are set

Six-year (sexennial) reappraisal under ORC 5715.24, with ORC 5715.24(B) applying in the THIRD calendar year following the sexennial reappraisal - the 'triennial update.' Values are therefore formally reset on a 6-year reappraisal plus 3-year update rhythm, and each county runs its own schedule. ORC 5715.19 defines 'interim period' by reference to this cycle: for each county, the tax year to which ORC 5715.24 applies and each subsequent tax year until that section applies again. That period is what triggers the one-complaint-per-parcel bar in ORC 5715.19(A)(2) - this is the single most common way an Ohio homeowner silently forfeits an appeal. ORC 5713.03 reinforces that nothing requires the auditor to change true value in any year except a year in which the commissioner must determine under ORC 5715.24 whether the property has been assessed as required by law.

primary source · verified 2026-08-12

How counties differ

Ohio's appeal deadline is now partly county-variable. ORC 5715.19(A)(1) as amended by House Bill 186 (effective 3/20/2026) sets the deadline at March 31 of the ensuing tax year OR the date the collection of the FIRST-HALF real and public utility property taxes closes for the current tax year, WHICHEVER IS LATER - and first-half collection close dates are set county by county and are frequently extended by individual county treasurers. Any Ohio deadline engine must pull each county's actual first-half closing date for the current tax year and take the later of that date and March 31; NEVER hardcode March 31. Second: the reappraisal and update calendar under ORC 5715.24 runs on each county's own sexennial-plus-third-year schedule, which controls both when values reset and the boundaries of the 'interim period' that triggers the one-complaint bar in ORC 5715.19(A)(2). Third: ORC 5715.19(A)(8)(a) contemplates a complaint form prescribed by 'a board of revision OR the tax commissioner,' so counties may use their own version of DTE 1; always source the form from the specific county auditor or board of revision. Fourth: complaints are filed WITH THE COUNTY AUDITOR, not the board of revision directly, and the auditor then presents them to the board. Fifth: the ORC 5717.05 common pleas alternative carries county clerk-of-court filing costs that vary; the Board of Tax Appeals route appears to carry none.

Ohio appeal deadline

Deadlines vary

Ohio 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.

Free exemption check

Are you missing a Ohio exemption?

Exemptions cut your bill before any appeal even starts, and most homeowners never claim all the ones they qualify for. Answer four questions:

Do you live in this home as your primary residence?
Are you (or a co-owner) 65 or older?
Are you a military veteran?
Do you have a qualifying disability?
Do-it-yourself check

Is your Ohio 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:

From your assessment / tax notice
Free estimate from Zillow / Redfin
How to find your home's real market value (free) →
  1. 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.
  2. 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.
  3. 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.
  4. 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.

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