Charleston County, SC Property Taxes (2026)

Charleston County owners pay a median of $1,864 a year on a median home value of $450,800, an effective rate of 0.41%. That's the 43rd-highest rate of 46 South Carolina counties with Census data, below the South Carolina county median of 0.53%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

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Effective tax rate

0.41%

43rd highest of 46 in SC

Median annual bill

$1,864

~$155/month

Median home value

$450,800

South Carolina county median

0.53%

Effective rate

What a protest could save you in Charleston County

Enter the market value from your appraisal notice. We apply Charleston County's 0.41% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$1,848
Savings at 10–15% off
$185–$277
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Charleston County vs. South Carolina vs. U.S. property tax rates

Charleston County0.41%
South Carolina county median0.53%
U.S. county median0.84%

Key stat: Charleston County's effective property tax rate is 0.41%, vs. 0.53% for the median South Carolina county and 0.84% for the median U.S. county. It ranks 43rd of 46 in South Carolina. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Charleston County

  1. 1

    Review your assessment notice

    Check the assessed value from the Charleston County Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Charleston County deadline is 90 days after notice. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the County Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $1,864 bill, 10–15% off is $186–$280 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in South Carolina

South Carolina homeowners may qualify for exemptions that reduce taxable value. Check with the Charleston County Assessor for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Charleston County, South Carolina?
The median effective property tax rate in Charleston County is 0.41%: a median annual bill of $1,864 on a median home value of $450,800. That's the 43rd-highest rate of 46 South Carolina counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Charleston County?
The median Charleston County property tax bill is $1,864 a year, about $155 a month, compared with a South Carolina county median of $852.
What is the deadline to appeal property taxes in Charleston County?
The deadline to appeal in Charleston County is 90 days after notice. Missing it means waiting until the next assessment cycle.
Is Charleston County a high property tax area?
Charleston County's 0.41% effective rate is below the South Carolina county median of 0.53% and below the U.S. county median of 0.84%. That's the 43rd-highest rate of 46 South Carolina counties with Census data.
Can TaxDrop help lower my Charleston County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Berkeley County

Rate: 0.48%

Median bill: $1,343

Dorchester County

Rate: 0.58%

Median bill: $1,710

Colleton County

Rate: 0.61%

Median bill: $883

Beaufort County

Rate: 0.50%

Median bill: $2,022

Georgetown County

Rate: 0.43%

Median bill: $1,117

Williamsburg County

Rate: 0.66%

Median bill: $630

Clarendon County

Rate: 0.58%

Median bill: $848

Orangeburg County

Rate: 0.66%

Median bill: $724

← All 46 South Carolina counties

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