Charleston County Property Tax Calculator
Locality estimate page for Charleston County, South Carolina. Use this county/locality rate for faster screening, then confirm parcel-specific details with your local tax authority.
County/Locality Effective Rate
0.39%
State Effective Rate
0.49%
Sample Annual Tax Difference
-$425
Median Home Value (ACS)
$489,100
Median Annual Tax Bill (ACS)
$1,901
Owner-Occupied Households
114,350
The typical owner-occupied home in Charleston County is valued at $489,100 with a median real estate tax bill of $1,901 per year — an effective rate of 0.39%. Both figures come from the same ACS release, so the ratio is an estimate rather than an aggregate of individual bills.
State Mortgage Context: South Carolina
Most counties in this state follow the standard FHA floor framework.
State Effective Tax Rate
0.49%
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
In Charleston County, South Carolina, the current county-level estimate is 0.39%, or approximately $1,560 annually on a $400,000 home.
How to Use This County Estimate
Step 1
Enter your property value and assessment assumptions.
Step 2
Apply exemptions that may reduce taxable value.
Step 3
Compare county/locality estimate against statewide fallback.
Charleston County Property Tax Snapshot
Estimated effective rate: 0.39% · vs South Carolina: 0.49% · vs national benchmark: 0.90%
| Home value | Estimated annual tax | Estimated monthly tax |
|---|---|---|
| $250,000 | $975 | $81 |
| $400,000 | $1,560 | $130 |
| $500,000 | $1,950 | $163 |
| $750,000 | $2,925 | $244 |
| $1,000,000 | $3,900 | $325 |
Compare Nearby Property Taxes
- Charleston County0.39%
- Oconee County0.38%
- Pickens County0.37%
- Aiken County0.41%
- Florence County0.42%
- Anderson County0.45%
- Berkeley County0.45%
Source Transparency
Source: U.S. Census Bureau, ACS 5-Year Estimates (B25103 / B25077)
View sourceLast updated: August 2026
Estimates only. Confirm parcel-specific amounts with the official local taxing authority.
Need Statewide Context?
Visit South Carolina mortgage snapshot or return to the national calculator hub.