Union, Montgomery County, Ohio Property Taxes
Median Union, OH effective property tax rate: 2.88%, significantly higher than the national median of 1.02%, but lower than the Ohio state median of 1.80%.
Median Union, OH home value: $166,690
Median annual Union, OH tax bill: $4,739, $2,339 higher than the national median property tax bill of $2,400.
How are property taxes in Montgomery calculated?
Property taxes in Union, OH 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 Union’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Union, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Union, Montgomery County, Ohio Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.88%
Estimate Property Tax Bill
$4,801
$4,455
Ownwell’s Union Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Union with just two data points.
By entering your property's estimated assessed value, our calculator applies Union’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Montgomery County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Union, Montgomery County, Ohio
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 Union Tax Rate
2.88%
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 Montgomery County Tax Rate
2.62%
Median Effective Ohio Tax Rate
1.80%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Union, Montgomery County, Ohio
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
45322 | 2.42% | 2.92% | 3.08% | 3.14% | 3.15% |
45377 | 2.71% | 2.87% | 2.87% | 2.88% | 2.89% |
Source: Ownwell
Property Tax Assessment Values Across Union, Montgomery County, Ohio
Property Tax Assessment Values Across Union, Montgomery County, Ohio
Source: Ownwell

$4,930
$124,385
$243,840
Median Union Market Value
$166,690
Median Montgomery County Market Value
$98,910
Median Ohio Market Value
$133,400
Median United States Market Value
$235,294
Property Tax Assessment Values Across Union, Montgomery County, Ohio
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
45322 | $74,165 | $90,352 | $110,160 | $134,240 | $171,797 |
45377 | $150,815 | $181,152 | $217,655 | $259,490 | $294,075 |
Source: Ownwell
Property Tax Bills Across Union, Montgomery County, Ohio
Median Union Tax Bill
$4,739
Median Montgomery County Tax Bill
$2,435
Median Ohio Tax Bill
$2,396
Median United States Tax Bill
$2,400
Property Tax Bills Across Union, Montgomery County, Ohio
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
45322 | $2,118 | $2,548 | $3,310 | $4,199 | $5,056 |
45377 | $3,884 | $5,060 | $6,249 | $7,450 | $8,394 |
Source: Ownwell