Property tax in Union County, Ohio

A county-level estimate for buyers and owners, with the data vintage and uncertainty shown instead of hidden.

Estimated annual property tax

For a $344,900 home (the county median):

$3,947/yr (estimated range $3,355-$4,539)

Effective rate: 1.1444% - Accuracy: Tier 1 - Medium confidence

Homeowners insurance budget

$1,607/yr (wide budgeting range $964-$2,250)

Low confidence This is a historical budgeting benchmark, not a current carrier quote. The baseline is the 2022 NAIC HO-3 state average of $995/yr, adjusted for home value and FEMA county risk.

FEMA risk percentile
32.73 (Very Low)
NAIC baseline as of
2022-12-31
FEMA version
1.20, 2025-12-01

Sources: NAIC Homeowners Report; FEMA National Risk Index. TrueCarry's analysis is not endorsed by FEMA.

Insurance disclaimer: Estimate for budgeting only — not an insurance quote and not a binding price. Verify with the county assessor and a licensed professional before making financial decisions.

Illustrative monthly PITI

$2,207/mo under the assumptions below

Monthly carrying-cost breakdown
Principal & interest$1,744
Property tax$329
Homeowners insurance$134
PMI$0
Estimated total$2,207

Assumes 20% down, a 6.5% fixed interest rate, and a 30-year term. The rate is an assumption, not today's market rate or a loan offer.

How local carrying costs affect affordability

For an illustrative household earning $100,000/yr, with $500/mo in other debts and a $50,000 down payment, the modeled maximum price is:

$330,499 under this county's tax and insurance burden

Compared with the Ohio launch-county average baseline of $329,132, this is $1,367 higher.

Medium confidence Uses 28% / 36% front/back DTI, a 6.5% assumed rate, a 30-year term, and estimated tax and insurance that scale with price. It is not a loan pre-approval.

Estimate for budgeting only — not a loan pre-approval, lending decision, or financial advice. Verify with the county assessor and a licensed professional before making financial decisions.

Calculate your price and monthly cost

Annual tax$3,947
Annual insurance$1,607
Monthly P&I$1,744
Estimated monthly total$2,207

Calculations run in your browser. TrueCarry does not store the values you enter.

Source, method & confidence

Confidence: Medium. County-level effective rate derived from ACS medians; not a jurisdiction-specific mill rate.

Data as of 2024-12-31 (ACS period ending); tax year 2024; data version 2024.1.

Sources: U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25103; U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25077.

Assumptions and exclusions

Read the property-tax and PITI methodology

Common questions about Union County carrying costs

What is the property tax rate in Union County, Ohio?
The estimated effective property tax rate in Union County is 1.1444%. On the county median home value of $344,900, that is about $3,947 per year (estimated range $3,355 to $4,539), based on U.S. Census ACS 2024 data.
How much is property tax on a $344,900 home in Union County?
About $3,947 per year at a 1.1444% effective rate. Actual bills vary with assessment, exemptions, and local levies, so treat this as a budgeting estimate rather than a tax bill.
How much is homeowners insurance in Union County, Ohio?
A budgeting estimate of $1,607 per year (wide range $964 to $2,250), based on the 2022 NAIC HO-3 state average adjusted for FEMA county risk. It is a historical benchmark, not a carrier quote.
What is the estimated monthly PITI payment for a home in Union County?
About $2,207 per month for a $344,900 home, assuming 20% down, a 6.5% interest rate, and a 30-year term. PITI covers principal, interest, property tax, and homeowners insurance.