Troy, Miami County, Ohio Property Taxes
Property Taxes in Troy, Ohio
Median Troy, Ohio effective property tax rate: 1.32%, significantly higher than the national median of 1.02%, and lower than the Ohio state median of 1.60%.
Median Troy, Ohio home value: $183,700
Median annual Troy, Ohio tax bill: $2,386, $14 lower than the national median property tax bill of $2,400.
How are property taxes in Miami calculated?
Property taxes in Troy, Ohio are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Troy's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Troy, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Troy, Miami County, Ohio Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.32%
Estimate Property Tax Bill
$2,425
$2,250
How Does the Troy Property Tax Calculator Work?
Use this Troy property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and the calculator applies Troy’s median effective tax rate of 1.32% — based on actual property records in Miami County — to generate your estimate.
Enter your property’s estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. The calculator applies Troy’s median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Troy, but the available data shows no ZIP-level variation, with both the highest and lowest median property tax bill at $2,386 in 45373.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Troy.
About Troy Property Taxes
About Property Taxes in Troy, Miami, Ohio
Troy’s median effective property tax rate of 1.32% is lower than the Ohio state median of 1.60% and higher than the national median of 1.02%. This rate reflects the Miami County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Troy. Homeowners in the 45373 ZIP code carry a median effective rate of 1.32%, while those in 45373 pay 1.32%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Miami County. Understanding which part of Troy you live in can make a meaningful difference to your annual tax bill.
Troy homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the March 31, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Troy, Miami County, Ohio
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Troy's effective property tax rate to other cities in Ohio and the median property tax rates in Ohio and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Troy Tax Rate
1.32%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Miami County Tax Rate
1.36%
Median Effective Ohio Tax Rate
1.60%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Troy, Miami County, Ohio
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 45373 | 1.09% | 1.22% | 1.32% | 1.36% | 1.53% |
Source: Ownwell
Property Tax Assessment Values Across Troy, Miami County, Ohio
When examining property taxes in Troy, Ohio, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Miami County property tax authority estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Miami County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Troy.
For example, the median home price in Troy is $183,700, with tax bills ranging significantly across the county. 45373 has the highest median home price at $183,700.
Property Tax Assessment Values Across Troy, Miami County, Ohio
Source: Ownwell
$65,400
$149,700
$234,000
Median Troy Market Value
$183,700
Median Miami County Market Value
$163,200
Median Ohio Market Value
$168,370
Median United States Market Value
$235,294
Property Tax Assessment Values Across Troy, Miami County, Ohio
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 45373 | $89,330 | $121,400 | $183,700 | $270,875 | $385,100 |
Source: Ownwell
Property Tax Bills Across Troy, Miami County, Ohio
Property tax bills in Troy are calculated from a home’s assessed value, which is based on the market value of the property, and the local tax rate set by taxing authorities. The assessed value is multiplied by the applicable rate to determine the bill, so changes in either can affect what a homeowner owes.
For many homeowners, the size of the bill depends on where the property is located and how its value compares with similar homes. In Miami County, the median property tax bill is $2,386, which is close to the national median property tax bill of $2,400. That means Troy homeowners often face property tax costs that are near the national norm, though individual bills can vary widely.
With a median home price of $183,700, property taxes can still represent a meaningful annual expense. Bills in the area range from $1,605 at the 25th percentile to $4,893 at the 90th percentile, showing how much assessed value and local rates can influence what homeowners pay.
Median Troy Tax Bill
$2,386
Median Miami County Tax Bill
$2,239
Median Ohio Tax Bill
$2,789
Median United States Tax Bill
$2,400
Property Tax Bills Across Troy, Miami County, Ohio
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 45373 | $1,192 | $1,605 | $2,386 | $3,532 | $4,893 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 31 |
Links | |
|---|---|
| Miami Tax Assessor | |
| Website | www.miamicountyohioauditor.gov |