Charleston County Property Tax Rate
South Carolina
Charleston County, South Carolina has an effective property tax rate of 0.39%, which is 58% lower than the national average of 0.92%. On a home valued at $489,100, homeowners pay approximately $1,901 per year in property taxes. Charleston County ranks #43 out of 46 counties in South Carolina for property tax rates.
$1,901
Per year
$489,100
2024 estimate
2.15%
Median income: $88,494
#43
of 46 counties in SC
Tax Breakdown
With Mortgage
$1,989
median annual tax
Without Mortgage
$1,661
median annual tax
Homeowners with a mortgage in Charleston County pay on average $328 more per year than those without. This difference often reflects how property tax escrow accounts in mortgaged homes capture the full tax obligation.
How Charleston County Compares
Top Counties in South Carolina
Historical Property Tax Trends
| Year | Median Tax | Median Home Value | Effective Rate |
|---|---|---|---|
| 2020 | $1,488 | $334,600 | 0.44% |
| 2021 | $1,573 | $352,800 | 0.45% |
| 2022 | $1,763 | $415,000 | 0.42% |
| 2023 | $1,864 | $450,800 | 0.41% |
| 2024 | $1,901 | $489,100 | 0.39% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates
South Carolina Property Tax Exemptions
Available to Charleston County homeowners
Legal Residence (Homestead)
Assessed at 4% of fair market value instead of 6% (effectively a one-third reduction)
Primary residence owners
Over 65/Disabled Homestead
First $50,000 of fair market value exempt from school operating millage
Homeowners age 65+, totally/permanently disabled, or legally blind
Disabled Veteran
100% exemption for permanently and totally disabled veterans
Veterans with permanent and total service-connected disability
Property Tax Calculator
Estimate your annual property tax in Charleston County
Estimated Annual Property Tax
$1,170
$98/month · Rate: 0.39%
Nearby Counties
Quick Facts
Think your property tax is too high?
Homeowners save an average of $1,148/year by appealing their assessment.
Learn How to Appeal →Cities in Charleston County
Explore property tax data for 3 cities in Charleston County, South Carolina.
| City | Annual Tax | Rate |
|---|---|---|
| Charleston | $2,144 | 0.46% |
| North Charleston | $1,394 | 0.52% |
| Mount Pleasant | $2,261 | 0.34% |
Frequently Asked Questions
Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.