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Union
Union is in Montgomery County, with part of it in Miami County. A home its owner lives in here pays about $2,405 a year for every $100,000 of the county’s value on it, on the 2025 rates, and its homes are in 2 school districts, most of them in Northmont City.
What a home in Union pays
$2,405 a year for every $100,000 of a home’s value, tax year 2025
A home the county values at $200,000 pays about $4,810 a year; at $300,000, about $7,215. That is the whole property tax bill on a home its owner lives in, after House Bill 920’s reduction and the state’s rollback credits, before the homestead exemption.
Across Montgomery County, the same home pays $2,170 on average, so a home in Union pays 11% more. The average weights each taxing district by its homes’ value.
| Who | Mills on a home | Share of the rate |
|---|---|---|
| Schools | 36.27 | 53% |
| The county | 9.44 | 14% |
| Union | 13.18 | 19% |
| The library | 2.79 | 4% |
| Parks | 2.30 | 3% |
| The career centre | 2.69 | 4% |
| The community college | 2.35 | 3% |
| All | 69.02 | 100% |
Swipe sideways for more columns.
Shares of the 69.02 mills a home here is charged, in the taxing district holding most of Union’s homes; a street on another bill can pay a little more or less. A home’s value is the county’s value for it, not a sale price. Check your own bill.
Homeowners 65 and over in Union
35% of the homes their owners live in, in Union, belong to someone 65 or older — about 810 homes, give or take 9 points.
Montgomery County: 35% · Ohio: 33%
Owners who are 65 or older, or disabled, can claim Ohio’s homestead exemption, which takes part of a home’s value off the bill; most must have an income under the state’s limit. From the U.S. Census Bureau’s American Community Survey, 2020–2024 five-year estimates (table B25007, owner-occupied homes by the age of the householder). A survey, so every figure has a margin of error.
2Home values
What homes are worth against what they are taxed on
What homes in Union are worth
$209,879 Zillow’s typical home value, +2.9% in a year
What a home is taxed on is the county’s value for it, which moves when the county resets values, not every month: Montgomery County’s home values set the two side by side. Home prices and rents in Union →
3Levies & the ballot
Every levy collected here, and what is on the ballot
Union’s own levies
On the same bill, what Union charges a home here, after the state’s reduction and credits.
| First approved | Purpose | Mills on a home |
|---|---|---|
| 2004 | Police | 4.432 |
| 2018 | Fire & E.M.S | 1.523 |
| 2018 | Police | 1.523 |
| 2001 | Road Improvement | 1.430 |
| 2004 | Fire & E.M.S | 1.330 |
| Never | Current expense Inside millage: no vote was ever taken on it | 1.295 |
| 1998 | Fire & E.M.S | 1.016 |
| Never | Current expense Inside millage: no vote was ever taken on it | 0.315 |
| Never | Police Pension Inside millage: no vote was ever taken on it | 0.263 |
| Never | Current expense Inside millage: no vote was ever taken on it | 0.052 |
Swipe sideways for more columns.
The schools’, the county’s and the library’s levies are on the same bill: Northmont City’s levies, every levy in Montgomery County. A year of 1976 means that year or earlier: the state files every levy voted before House Bill 920 took effect under 1976.
Union on the November 3, 2026 ballot
Every tax issue asked by a body that taxes homes in Union: 2 on this ballot.
Union
- New income tax, 2.5% · Police, fire & EMS
Its counties and their boards
- Tri-County Board of Mental Health Services: Renewal property tax, 0.6 mills · Mental health · part of Union only
Matched from who levies on Union’s tax bills, in the state’s levy file, to who asks on the Secretary of State’s list. Which issues reach a particular home depends on its own bill. Every tax issue on the ballot in Montgomery County →
4Schools
Scores, spending and budgets
Union’s school districts
Its homes are in 2 school districts, most of its home value first. Which one a home is in is printed on its tax bill.
Northmont City 89% of Union’s home value
Its school levies cost a home about $1,269 a year for every $100,000. Its pupils’ test scores rank 238th of Ohio’s 607 districts, and the state rates their Progress 4 of 5. In 2024-25 it spent $16,125 per student to run its schools.
Vandalia-Butler City 10% of Union’s home value
Its school levies cost a home about $1,057 a year for every $100,000. Its pupils’ test scores rank 317th of Ohio’s 607 districts, and the state rates their Progress 4 of 5. In 2024-25 it spent $15,433 per student to run its schools.
The state’s own figures: the Department of Taxation’s certified tax rates, the School Report Card and the District Profile Report. Test scores follow family income closely; Progress follows it much less.
5Unpaid & foreclosures
What goes unpaid, and cases filed in court
Unpaid property tax and foreclosure cases are counted by county: Montgomery County’s unpaid tax and foreclosures →
6Reappraisals
When values reset next
Values are reset county by county, every three years: when Montgomery County resets values next →
This is an estimate built from public records — not tax, legal or financial advice, and not an appraisal. Only your county’s own statement is authoritative about your bill. If you’re thinking of challenging your value, confirm the details with your county’s Board of Revision or a property-tax professional. The full terms.