Ohio Property Tax Calculator - Estimate your annual Ohio property tax from true value, the 35% assessed value, and your local millage rate.

The Ohio property tax calculator estimates your annual tax from true value, the state's 35% assessed value (rollback), your county millage rate, and the 2.5% owner-occupancy credit. See assessed value, taxable value, and effective rate.

Updated: July 19, 2026 • Free Tool

Ohio Property Tax Calculator

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Your county auditor's estimate of what the home would sell for. Find it on your valuation notice.

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Ohio assesses most real property at 35% of true value (the statutory rollback). Keep 35% unless your class differs.

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Combined local millage in mills per $1,000 of assessed value. Sum the line items on your tax bill.

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Ohio gives owner-occupied homes a 2.5% credit on the tax. Set to 0 if the property is rented or vacant.

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Market-value amount exempted for qualifying senior/disabled owners (up to $25,000). Leave 0 if you do not qualify.

Results

Assessed Value
$0
Taxable Value $0
Estimated Annual Tax $0
Effective Rate 0%

What the Ohio Property Tax Calculator Estimates

The Ohio property tax calculator estimates the annual real-property tax you owe on an Ohio home from its true value, the state's 35% assessed value, your local millage rate, and the 2.5% owner-occupancy credit.

  • Home buyers: Compare the carrying cost of homes across Ohio counties before making an offer.
  • Current owners: Check whether your bill matches the audited value and the credits you receive.
  • Retirees: Model the homestead exemption's effect on a qualifying senior or disabled owner's bill.
  • Landlords: Project the tax on a rented property with the owner-occupancy credit set to zero.

Ohio does not tax your home at its full market price. The county auditor first sets a true value, then applies a 35% assessment to reach the figure that actually drives the tax. From there, local school, city, and county millage rates multiply the assessed value to produce the bill.

Because millage varies street by street, the same home can carry very different tax in neighboring districts. This calculator makes that variation explicit so you can plan instead of guessing.

Your county auditor publishes both the true value and the combined millage on the annual valuation notice, so you do not need to estimate those figures. Enter them exactly as printed and the calculator reproduces the bill the county will send.

How the Ohio Property Tax Calculator Works

The calculator applies Ohio's actual assessment and credit sequence so the number you see matches how the county builds your bill.

Assessed Value = (True Value - Homestead) x 35% | Taxable Value = Assessed Value x (1 - 2.5% credit) | Tax = Taxable Value x (Millage / 1000)
  • True value: The auditor's market-value estimate of your property.
  • Assessed percent: The rollback applied to true value; 35% for most Ohio real property.
  • Millage: Combined local mills per $1,000 of assessed value.
  • Owner-occupancy credit: 2.5% credit for homes you live in; 0 for rentals.
  • Homestead exemption: Market value (up to $25,000) removed before assessment for qualifying owners.

Order matters: the homestead exemption is removed from market value first, then the 35% assessment, then the owner-occupancy credit, then the millage. Reversing the steps changes the answer.

Owner-occupied home valued at $300,000

True value $300,000, 35% assessed, 60 mills, 2.5% credit, no homestead.

Assessed value = 300,000 x 0.35 = 105,000. Taxable value = 105,000 x 0.975 = 102,375. Tax = 102,375 x 0.060 = 6,142.50.

Estimated annual tax = $6,142.50; effective rate = 2.0475% of true value.

The 2.5% credit saves about $157 per year versus a rented equivalent.

According to the Ohio Auditor of State - Property Tax Basics, Ohio assesses real property at 35% of true value and applies the 2.5% owner-occupancy credit and homestead exemption to reduce the bill.

According to Tax Foundation - Property Taxes by State, Ohio's average effective property tax rate runs about 1.4% to 1.5% of home value, near the upper-middle of states.

When you plan your total housing cost, pair this with the Ohio paycheck calculator so take-home pay and property tax line up on the same budget.

Key Concepts Explained

Four ideas explain almost every line on an Ohio tax bill, and the Ohio property tax calculator makes each one visible.

True value

The auditor's estimate of your home's open-market price. Your bill is built from this number, not the price you paid, so review it on your valuation notice each cycle.

35% assessed value rollback

Ohio taxes 35% of true value for most property. This fixed rollback means a $300,000 home is assessed at $105,000 before any credits or millage are applied.

Millage rate

The sum of voted school, city, and county levies, expressed in mills per $1,000 of assessed value. It is the single biggest driver of how much you pay between districts.

Owner-occupancy and homestead credits

The 2.5% owner-occupancy credit and the homestead exemption both lower the bill; one rewards living in the home and the other protects qualifying seniors and disabled owners.

Knowing these four terms lets you read your bill instead of fearing it. Each line item on the statement maps back to one of them.

If you also pay sales tax on improvements or furnishings, the Ohio sales tax calculator helps you see the full tax footprint of owning the home.

How to Use This Calculator

Gather two numbers from your tax bill or auditor's site, then enter them below.

  1. 1 Find true value: Look up your home's true (market) value on the county auditor's website or your valuation notice.
  2. 2 Set the assessed percent: Keep 35% unless your property class uses a different statutory percentage.
  3. 3 Add your millage: Sum the millage line items on your bill and enter the combined rate in mills.
  4. 4 Apply credits: Enter 2.5% if you live in the home; enter your homestead exempted amount if you qualify.
  5. 5 Read the results: Review assessed value, taxable value, annual tax, and the effective rate as a share of true value.
  6. 6 Compare scenarios: Change the millage or credits to model a move, a refinance, or losing the owner-occupancy status.

A landlord with a $200,000 rental sets the owner-occupancy credit to 0 and a 50-mill rate, producing a $3,500 bill the tenant's rent must cover.

If you are moving within the state, run the calculator once for your current address and once for the new one. The gap between the two estimates is the real, dollars-and-cents difference a relocation makes, before you weigh mortgage rates or commute costs.

Benefits of Using This Calculator

The Ohio property tax calculator turns an opaque bill into a number you can act on.

  • Plan cash flow: Know the annual tax before you close so it fits your monthly budget.
  • Spot valuation errors: If the estimate diverges sharply from your bill, request a correction from the auditor.
  • Model the homestead savings: See exactly how the senior/disabled exemption lowers a qualifying owner's bill.
  • Compare districts: Test two millage rates side by side to weigh one neighborhood against another.
  • Set the right rent: Landlords can price a rental to absorb the full tax with the credit turned off.
  • Understand total tax burden: Combine the result with the federal income tax calculator to see housing tax in context.

These are decision aids, not just display values. Each output maps to a choice you can make.

The rental property tax calculator covers the landlord-specific depreciation and deduction side if you hold more than one unit.

Factors That Affect Your Results

Five inputs move the number the Ohio property tax calculator returns; two limits keep the estimate honest.

Millage rate

The largest lever. A 10-mill difference on a $105,000 assessed value changes the bill by about $1,050 per year.

True value

Higher audited value raises assessed value directly; challenge it if it outpaces the market.

Owner-occupancy credit

Turning the 2.5% credit on or off shifts the bill by a few hundred dollars on a typical home.

Homestead exemption

Removing up to $25,000 of market value cuts the assessed base before the 35% step.

Assessment class

Some property types assess above or below 35%; adjust the percent to match your class.

  • This estimate excludes special assessments, levies passed after your bill date, and payment timing; always confirm with the county auditor.
  • The homestead amount and owner-occupancy status must be claimed with the auditor; the calculator shows the math, not the filing.

Rates also drift as levies pass or expire, so rerun the calculator after each election that affects your district.

When a new levy is approved, the change shows up on the next tax bill rather than the current one, which is why a spring purchase and a fall levy can produce a bill that looks nothing like your estimate. Treat the calculator as a snapshot of the rates you enter, not a forecast of future votes.

According to the Franklin County Auditor - Homestead Exemption, the homestead exemption excludes the first $25,000 of market value for qualifying senior and disabled owners.

Ohio's system differs from states that tax closer to full value; the North Dakota property tax calculator shows how another rollback method behaves.

Ohio property tax calculator showing true value, 35% assessed value, millage rate, owner-occupancy credit, and estimated annual tax
Ohio property tax calculator showing true value, 35% assessed value, millage rate, owner-occupancy credit, and estimated annual tax

Frequently Asked Questions

Q: How is Ohio property tax calculated?

A: Ohio values your home at its true (market) value, then assesses 35% of that for tax. After the homestead exemption and the 2.5% owner-occupancy credit are applied, the remaining taxable assessed value is multiplied by your local millage rate (mills per $1,000). The result is your annual tax bill.

Q: What is Ohio's 35% assessed value rollback?

A: The rollback is the fixed percentage Ohio applies to true value to get assessed value. For most real property that percentage is 35%, set by state law so that taxes are figured on a fraction of market value rather than the full price. Some property classes use a different percentage.

Q: What is the average effective property tax rate in Ohio?

A: Across Ohio, effective rates run about 1.4% to 1.5% of home value on average, though your county millage drives the real number. A 60-mill rate on a 35% assessment produces an effective rate near 2.1% of true value, so rates vary widely by location.

Q: How does the Ohio 2.5% owner-occupancy credit work?

A: If you live in the home as your primary residence, Ohio reduces the tax by 2.5% of the otherwise-taxable assessed value. It is automatic for owner-occupied homes and does not apply to rented or vacant property, which is why the calculator lets you set it to 0.

Q: What is the Ohio homestead exemption and who qualifies?

A: The homestead exemption removes the first $25,000 of market value from taxation for qualifying senior citizens, surviving spouses, and owners with a qualifying disability. Because it is applied to market value before the 35% assessment, it lowers the assessed base directly. Enter your exempted amount in the calculator.

Q: Where do I find my Ohio millage rate?

A: Your millage rate is the sum of the individual voted and inside millage line items printed on your property tax bill and on the county auditor's website. It is stated in mills per $1,000 of assessed value; add the line items together to get the combined rate used here.