Union County Property Taxes
Union County, South Carolina
Effective Tax Rate
0.00%
40.6% below state avgMedian Annual Tax
$0
$47/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.56%
At a Glance
Median Home Value
$100,000
State avg ▼ $181,398
Tax w/ Mortgage/yr
$780
$65/mo escrow
Tax w/o Mortgage/yr
$463
$39/mo
State Tax Rate Rank
#28
of 46 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Union County, South Carolina
Union ranks among nation's lowest taxed
Union County's 0.558% effective rate places it in the bottom 30% of U.S. counties, nearly 35% lower than the national median of 0.86%. The median property tax of just $558 represents only 21% of the national median of $2,690.
Right on South Carolina's state average
At 0.558%, Union's rate sits just slightly above the state average of 0.542%, making it representative of typical South Carolina tax burden. The median tax of $558 falls well below the state median of $939.
Lowest-priced homes in the region
Union's median home value of just $100,000 is significantly lower than Sumter ($159,500), Saluda ($123,200), and Spartanburg ($216,000), resulting in the lowest tax bills in the cluster. Only Williamsburg County's homes are comparably priced.
Union's median annual tax is just $558
With a median home value of $100,000, Union County residents pay approximately $558 annually in property taxes—less than $47 per month. If your mortgage includes escrow, the bill rises to roughly $780 per year.
Consider assessment review even at low rates
Even in an affordable county like Union, homeowners may be overassessed relative to market value. A free appeal with the county assessor could result in further savings.
How Union County Compares
Median Annual Property Tax
Union County
0.56%
Effective rate
South Carolina Avg
0.52%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Union County, South Carolina?
How much are property taxes in Union County?
How does Union County compare to the South Carolina average?
What is the median home value in Union County, South Carolina?
Why is Union County property tax rate higher than the South Carolina average?
How does Union County rank for property taxes in South Carolina?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in South Carolina
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.