Union County Property Tax Rate — South Carolina 2026
In Union County, South Carolina, homeowners pay a median annual property tax of $558 on a median home value of $100,000, resulting in an effective property tax rate of 0.56%. This rate is 0.05% higher than the South Carolina state average (0.51%) and 0.35% lower than the national average (0.91%).
How Union County Compares
Property taxes in Union County are below the national average, suggesting a more affordable tax environment for homeowners in this area.
Property Tax Calculator for Union County
Enter your home’s estimated market value to calculate your approximate annual property tax in Union County, South Carolina.
This estimate uses the effective tax rate of 0.56% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Union County, South Carolina
The median property tax paid by homeowners in Union County is $558 per year. Based on a median home value of $100,000, this translates to an effective property tax rate of 0.56%.
For context, the statewide median property tax in South Carolina is $1,199 with an effective rate of 0.51%, while the national average effective rate stands at 0.91%. Union County’s effective rate is 0.05% higher than the South Carolina state average (0.51%).
Of the 11,738 housing units in Union County, approximately 69.27% are owner-occupied and 30.73% are renter-occupied. Homeownership rates can influence local tax policy, as communities with higher ownership rates often see more voter engagement on property tax issues.
Important: The data on this page is for informational purposes only and should not be used as tax advice. Actual property taxes depend on your property’s assessed value, local millage rates, and any applicable exemptions. Contact your county assessor’s office for precise tax information.