Union County, OH property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Union County is 1.25%, below the Ohio median of 1.36% and above the national median of 0.98%. The median homeowner pays $3,847 a year on a home worth $306,600.
- Effective rate
- 1.25%
- Median annual bill
- $3,847
- Median home value
- $306,600
- Rank in Ohio
- 26of 88
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $2,500 | $208 |
| $300,000 | $3,750 | $313 |
| $400,000 | $5,000 | $417 |
| $500,000 | $6,250 | $521 |
| $750,000 | $9,375 | $781 |
| $1,000,000 | $12,500 | $1,042 |
Union County compared with Ohio and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Union County | 1.25% | $3,847 | $306,600 |
| Ohio median | 1.36% | $2,712 | $199,200 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Union County, OH?
The median effective property tax rate in Union County is 1.25% of home value, below the Ohio median of 1.36% and above the national median of 0.98%. The median homeowner pays $3,847 a year on a median home value of $306,600 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Union County?
About $5,000 per year at the county's median effective rate of 1.25%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Union County compare with the rest of Ohio?
Union County ranks 26 of 88 Ohio counties by effective rate. The Ohio median is 1.36% and the median bill is $2,712.