Charleston County, South Carolina property tax estimate (2026)
Charleston County taxes are a common research point for coastal South Carolina buyers. Estimate for 2026 planning, then confirm assessment ratio and millage with the Charleston County auditor.
Compare with the national ZIP-first calculator or the South Carolina property tax estimates.
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.
Estimates are for educational planning only. They are not your official property tax bill, escrow quote, or appraisal. Confirm with your county assessor or tax collector. National Mortgage Center is powered by Stride Bank, N.A., NMLS #466690. Educational content is not a commitment to lend.