Ohio property guide

Ohio Property Tax Calculator

Estimate a property tax bill from assessed value, exemptions and local rates. Ohio rules and editable local assumptions are applied below.

By Calculate My Property EditorialUpdated September 30, 2026Professional review pending
01 / Your inputs

Start with your property.

County names: Census 2025. Enter your parcel’s millage below; county rates are awaiting verification.
Property2 inputs
USD
Assessment5 inputs
%
Applied only when no certified taxable value is entered.
USD
Zero estimates a newly assessed property.
USD
Enter a confirmed local exemption, after assessment conversion.
Local rates4 inputs
mills
Illustrative assumption. Replace with the parcel’s effective school millage.
mills
Illustrative county/city/district assumption, not a verified county rate.
USD / year
Special assessments and fixed charges, added after tax caps.
USD / year
Only relief deducted from this bill. Do not enter a later refund or a value exemption here.
All amounts in USD.
Your estimate

Estimated annual property tax

$2,205Based on your inputs · USD
Monthly equivalent
$184
Assessed / taxable scenario
$122,500
Effective rate on value
0.63%
See the breakdown
School taxable base
$122,500
Other taxable base
$122,500
School levy
$735
Other levies
$1,470
Tax after bill cap
$2,205
Approved tax-dollar credit applied
$0
Fixed / special charges
$0
The formula

Taxable bases × applicable millage ÷ 1,000 − approved bill credits + fixed charges

Assumptions & limitations (1)
  • Local millage is a user assumption until replaced with the parcel’s certified rates. County names do not establish a parcel tax rate.
02 / Your next decisionTransfer TaxSeller Net Sheet
External resource

Considering a property-tax appeal?

Compare service terms, fees and state coverage with your assessment notice.

Explore OwnwellExternal provider or resource. No paid referral arrangement is active.
Planning estimate. Editorially sourced; independent professional review is pending. How we calculate
The Ohio details

How this state changes the estimate

Assessment and taxable value

Ohio applies effective tax rates to taxable assessed value. The residential assessment scenario uses 35% of market value. Tax-reduction factors can make effective millage different from the full voted millage, so use the effective rate for the parcel’s class and tax year.

The default assessment conversion is 35.0% where the state uses a uniform ratio. A certified assessed value takes precedence. Do not substitute a county-wide average for a parcel’s taxing-district rates.

Exemptions and caps

Homestead relief depends on eligibility, age/disability and income rules. Owner-occupancy and nonbusiness credits are not the same as a blanket assessment deduction and are not automatically applied here.

Confirm eligibility using the primary source and local office. A purchase, property classification, tenancy type or exemption can change which rule applies. Enter documented local costs and rates rather than carrying a previous owner’s assumptions into the new deal.

Your bill calendar

County treasurers commonly collect installments for the preceding tax year. Actual first- and second-half deadlines differ by county.

Independent professional review is pending. Current county millage is not yet published in this data set. Use the assessor’s certified taxable value and the tax collector’s current rates.

Ohio county directory & rate status

County equivalents are from the 2025 US Census Gazetteer. Millage is pending source verification; no county tax rate has been invented.

County / local equivalentCounty identifierRate status
Adams County39001Enter parcel’s certified rate
Allen County39003Enter parcel’s certified rate
Ashland County39005Enter parcel’s certified rate
Ashtabula County39007Enter parcel’s certified rate
Athens County39009Enter parcel’s certified rate
Auglaize County39011Enter parcel’s certified rate
Belmont County39013Enter parcel’s certified rate
Brown County39015Enter parcel’s certified rate
Butler County39017Enter parcel’s certified rate
Carroll County39019Enter parcel’s certified rate
Champaign County39021Enter parcel’s certified rate
Clark County39023Enter parcel’s certified rate
Clermont County39025Enter parcel’s certified rate
Clinton County39027Enter parcel’s certified rate
Columbiana County39029Enter parcel’s certified rate
Coshocton County39031Enter parcel’s certified rate
Crawford County39033Enter parcel’s certified rate
Cuyahoga County39035Enter parcel’s certified rate
Darke County39037Enter parcel’s certified rate
Defiance County39039Enter parcel’s certified rate
Delaware County39041Enter parcel’s certified rate
Erie County39043Enter parcel’s certified rate
Fairfield County39045Enter parcel’s certified rate
Fayette County39047Enter parcel’s certified rate
Franklin County39049Enter parcel’s certified rate
Fulton County39051Enter parcel’s certified rate
Gallia County39053Enter parcel’s certified rate
Geauga County39055Enter parcel’s certified rate
Greene County39057Enter parcel’s certified rate
Guernsey County39059Enter parcel’s certified rate
Hamilton County39061Enter parcel’s certified rate
Hancock County39063Enter parcel’s certified rate
Hardin County39065Enter parcel’s certified rate
Harrison County39067Enter parcel’s certified rate
Henry County39069Enter parcel’s certified rate
Highland County39071Enter parcel’s certified rate
Hocking County39073Enter parcel’s certified rate
Holmes County39075Enter parcel’s certified rate
Huron County39077Enter parcel’s certified rate
Jackson County39079Enter parcel’s certified rate
Jefferson County39081Enter parcel’s certified rate
Knox County39083Enter parcel’s certified rate
Lake County39085Enter parcel’s certified rate
Lawrence County39087Enter parcel’s certified rate
Licking County39089Enter parcel’s certified rate
Logan County39091Enter parcel’s certified rate
Lorain County39093Enter parcel’s certified rate
Lucas County39095Enter parcel’s certified rate
Madison County39097Enter parcel’s certified rate
Mahoning County39099Enter parcel’s certified rate
Marion County39101Enter parcel’s certified rate
Medina County39103Enter parcel’s certified rate
Meigs County39105Enter parcel’s certified rate
Mercer County39107Enter parcel’s certified rate
Miami County39109Enter parcel’s certified rate
Monroe County39111Enter parcel’s certified rate
Montgomery County39113Enter parcel’s certified rate
Morgan County39115Enter parcel’s certified rate
Morrow County39117Enter parcel’s certified rate
Muskingum County39119Enter parcel’s certified rate
Noble County39121Enter parcel’s certified rate
Ottawa County39123Enter parcel’s certified rate
Paulding County39125Enter parcel’s certified rate
Perry County39127Enter parcel’s certified rate
Pickaway County39129Enter parcel’s certified rate
Pike County39131Enter parcel’s certified rate
Portage County39133Enter parcel’s certified rate
Preble County39135Enter parcel’s certified rate
Putnam County39137Enter parcel’s certified rate
Richland County39139Enter parcel’s certified rate
Ross County39141Enter parcel’s certified rate
Sandusky County39143Enter parcel’s certified rate
Scioto County39145Enter parcel’s certified rate
Seneca County39147Enter parcel’s certified rate
Shelby County39149Enter parcel’s certified rate
Stark County39151Enter parcel’s certified rate
Summit County39153Enter parcel’s certified rate
Trumbull County39155Enter parcel’s certified rate
Tuscarawas County39157Enter parcel’s certified rate
Union County39159Enter parcel’s certified rate
Van Wert County39161Enter parcel’s certified rate
Vinton County39163Enter parcel’s certified rate
Warren County39165Enter parcel’s certified rate
Washington County39167Enter parcel’s certified rate
Wayne County39169Enter parcel’s certified rate
Williams County39171Enter parcel’s certified rate
Wood County39173Enter parcel’s certified rate
Wyandot County39175Enter parcel’s certified rate
Download the state source record (JSON)
Worked example

Follow the default numbers.

With market / assessed value of $350,000, the model gives estimated annual property tax: $2,205.

The formula is taxable bases × applicable millage ÷ 1,000 − approved bill credits + fixed charges. Open the breakdown to trace expenses and assumptions. Change one input at a time to see how your decision changes. This example uses scenario inputs; it is not an offer, tax bill, appraisal or legal determination.

A housing-value example for Ohio

Census QuickFacts reports a median owner-occupied home value of $214,800 for 2020–2024. This is a dated housing estimate, not a current sale-price median or a parcel assessment. The source was checked on 2026-09-30.

Assume a residential market-value assessment of $214,800. Its 35% taxable assessed value is $75,180. An assumed effective 60 mills gives $4,510.80 before approved credits and charges. Use the effective rate for the parcel’s class and tax year; a gross voted rate can overstate liability because reduction factors may apply. This example assumes no homestead deduction, owner-occupancy credit or nonbusiness credit. Collection in a later calendar year does not make an older assessment or rate into a new tax-year record.

The live model gives $4,511 under these assumptions. Local rates and any illustrative certified bases in this scenario are hypothetical. Replace them with the parcel’s matching tax-year records before budgeting a bill.

Load this example in the calculator

Start with the assessor’s taxable value

Market value, assessed value and taxable value are not interchangeable. A certified taxable-value override is the safest input when you have the current parcel record. Without it, the calculator applies the selected state’s simplified assessment model to the entered value. School and other millage are applied separately where exemptions differ. A mill is one dollar per thousand dollars of taxable value.

A county is not one tax district

School, city, special-district and bond levies can differ within the same county. The county selector identifies the jurisdiction; it does not imply a single county-wide bill rate. The sample millages are clearly labeled assumptions. Replace them with the effective levies for the parcel and tax year, then add non-ad-valorem charges separately.

A purchase can reset the assessment

Existing-owner assessment caps may not transfer to a buyer. Michigan taxable value can uncap after a transfer; California can re-establish a base value; Florida’s Save Our Homes benefit has transfer and portability conditions. Select a reassessment reset when modeling a new purchase unless the assessor confirms another treatment. A seller’s current bill can substantially understate the buyer’s tax expense.

Tax relief needs eligibility

Homestead status, age, disability and veteran exemptions depend on state and local rules. Only the basic modeled homestead treatment is automatic. Other exemptions are a manually confirmed taxable-value adjustment. Credits, levy-specific deductions, tax freezes and appeal relief can require a different calculation. The state notes and official source links explain what to check before using the result in a rental or net sheet.

Keep your assumptions with the result

Save the calculation to your deal file to reuse compatible inputs in another tool. The file stays in this browser on this device. Download the CSV to open the complete inputs, results and schedule in Excel or Google Sheets. Use PDF to print the report or save it as a PDF. A share link includes entered financial figures in its URL, so use it only with people you intend to share those numbers with.