How Property Taxes Work in South Carolina
Dated: May 19 2026
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How Property Taxes Work in South Carolina
South Carolina has some of the lowest property taxes in the country, but the system can still be confusing for homeowners and buyers. Your property taxes are based on three main factors:
Your home’s appraised value
The assessment ratio
Your local millage rate
The basic formula looks like this:
Home Value × Assessment Ratio × Millage Rate = Property Taxes Owed
Understanding Assessment Ratios in South Carolina
One of the most important parts of South Carolina property taxes is how the property is classified.
Primary Residence: 4%
If the home is your primary residence, it qualifies for the 4% Legal Residence rate.
Example:
A $400,000 home:
$400,000 × 4% = $16,000 taxable value
Second Homes & Investment Properties: 6%
Vacation homes, rentals, and investment properties are taxed at a higher 6% rate.
Example:
A $400,000 second home:
$400,000 × 6% = $24,000 taxable value
This difference can significantly impact annual taxes.
What Is a Millage Rate?
Millage rates are set by local governments and school districts.
A “mill” equals $1 in tax for every $1,000 of taxable value.
Rates vary depending on:
County
City
School district
Special tax districts
Sample South Carolina Property Tax Calculation
Scenario:
Home Value: $450,000
Primary Residence
Millage Rate: 300 mills
Calculation:
$450,000 × 4% = $18,000 taxable value
$18,000 × 0.300 = $5,400 annual property taxes
Why Property Taxes Sometimes Increase After Buying
Many buyers are surprised when taxes increase after purchase because online tax records often reflect the previous owner’s situation.
Taxes may rise if:
The property changes from 4% to 6%
The home value increased significantly
Previous exemptions no longer apply
The county reassesses the property
This is common in fast-growing areas like Greenville, Simpsonville, and Fountain Inn.
South Carolina Homestead Exemption
South Carolina offers additional tax relief for qualifying homeowners age 65+, disabled individuals, and some veterans.
Eligible homeowners may receive an exemption on the first $50,000 of a home’s value for school taxes.
Applications are filed through the county auditor’s office.
Final Thoughts
South Carolina property taxes are generally lower than many other states, but understanding the 4% vs 6% classification is critical when budgeting for a home purchase.
Before buying, it’s important to:
Verify the current tax classification
Estimate future taxes after reassessment
Understand whether exemptions apply
Working with a local real estate professional can help buyers avoid surprises and better understand true ownership costs.
© 2026 The data relating to real estate for sale on this web site comes in part from the Western Upstate Association of REALTORS®, Inc. or Western Upstate Multiple Lisitngs Services of South Carolina, Inc. This information is deemed reliable, but not guaranteed. Neither, the Western Upstate Association of REALTORS®, Inc. or Western Upstate Multiple Listing Service of South Carolina, Inc., nor the listing broker, nor their agents or subagents are responsible for the accuracy of the information.
Information deemed reliable but not guaranteed.
Property information provided courtesy of the Internet Exchange Program of the Greenville Association of Realtors.
The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Data is updated as of September 23, 2026 3:58 AM UTC
Spartanburg Association of REALTORS® All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be
