South Carolina State Tax Rate Guide – South Carolina offers one of the most taxpayer-friendly environments in the Southeast, with ongoing reforms making it even more competitive. Whether you’re a resident, business owner, or planning a move to the Palmetto State, understanding the current South Carolina state tax rates is essential for accurate financial planning. This guide covers the latest 2026 rates, brackets, deductions, and recent legislative changes using official sources from the South Carolina Department of Revenue (DOR), the state legislature, and the Tax Foundation.
All information reflects laws in effect as of April 2026. Tax rules can change, so always verify with a tax professional or the official DOR website (dor.sc.gov) for your specific situation.
South Carolina Individual Income Tax Rates and Brackets for 2026
South Carolina significantly reformed its individual income tax system with the passage of H.4216 (Act No. 110), signed into law on March 30, 2026. The new structure applies to tax years beginning after December 31, 2025 (i.e., the 2026 tax year, filed in 2027).
The state now uses a two-bracket system for South Carolina taxable income (after deductions):
- 1.99% on taxable income from $0 to $30,000
- 5.21% of the entire taxable income amount minus $966 (for income of $30,000 or more)
Example calculation (single filer, $50,000 taxable income):
Tax = (5.21% × $50,000) – $966 = $2,605 – $966 = $1,639
This replaces the previous three-bracket system (0%/3%/6%). The new rates apply uniformly to individuals, estates, and trusts. No separate brackets exist by filing status—the $30,000 threshold is the same, but deductions (see below) vary by status.
How the South Carolina Income Adjusted Deduction (SCIAD) Works in 2026?
Because South Carolina no longer adopts the federal standard deduction or itemized deductions, residents use the new South Carolina Income Adjusted Deduction (SCIAD) instead. This is a key feature of the 2026 reform.
Base SCIAD amounts (before phase-out):
- $15,000 — Single or married filing separately
- $22,500 — Head of household
- $30,000 — Married filing jointly or qualifying surviving spouse
Phase-out rules (based on federal adjusted gross income):
The deduction reduces gradually and disappears completely at higher income levels (e.g., over $95,000 single or $165,000 joint, depending on exact formula).
This deduction significantly lowers taxable income for most middle-class families and is one reason many residents will see a net tax cut under the new law.
South Carolina Sales Tax Rates in 2026
South Carolina maintains a straightforward statewide sales tax rate of 6% on most goods and certain services.
Local option taxes (approved by voters in specific counties or municipalities) can add 1%–3%, making the combined rate range from 6% to 9%. The average combined state + local rate is approximately 7.49%.
Recent local changes effective in 2026:
- Lexington County: School District Tax extended (combined rate remains 7%) effective March 1, 2026
- Aiken County: Capital Projects Tax reimposed (combined rate 8%) effective May 1, 2026
- Williamsburg County: New Capital Projects tax (combined rate 8%)
Always use the DOR sales tax rate lookup tool or your county’s specific rate when calculating sales tax for businesses or large purchases. Groceries, prescription drugs, and certain other items remain exempt or reduced.
South Carolina Property Tax Rates in 2026
South Carolina boasts one of the lowest effective property tax rates in the nation. The statewide effective rate on owner-occupied housing is approximately 0.47%–0.51% of fair market value.
Key facts:
- Primary residences (owner-occupied) are assessed at only 4% of fair market value and are generally exempt from school operating millage (except bonded debt).
- Commercial and non-owner-occupied residential property: 6% assessment ratio.
- Median annual property tax paid statewide is roughly $900–$1,000, but this varies widely by county (e.g., higher in coastal areas like Beaufort or Charleston).
Property taxes are set at the county level through millage rates. Check your county auditor’s office or the South Carolina Association of Counties annual millage report for exact rates. Many counties also offer a local option sales tax credit that reduces your property tax bill.
South Carolina Corporate Income Tax Rate
South Carolina’s corporate income tax rate is a flat 5%—one of the lowest in the Southeast.
This competitive rate, combined with economic development incentives, makes the state attractive for businesses relocating or expanding.
Other Notable Taxes in South Carolina
- Estate and Inheritance Tax: None. South Carolina does not impose either.
- Gas Tax: 28.75 cents per gallon (subject to periodic adjustments).
- Other excise taxes apply to alcohol, tobacco, and certain luxury items.
South Carolina remains one of only a handful of states without a broad-based estate tax.
Recent Changes to South Carolina Tax Laws: The Impact of H.4216
The landmark H.4216 reform (signed March 30, 2026) is the biggest tax overhaul in decades. It flattens the income tax structure, introduces the SCIAD, and creates automatic revenue-triggered rate reductions starting in 2027. If individual income tax collections grow sufficiently, the top rate will drop further until it reaches a flat 1.99%—and potentially even lower toward elimination in future years.
This legislation is projected to deliver hundreds of millions in tax relief while maintaining fiscal responsibility through surplus-based triggers.
Filing Your South Carolina State Taxes: Deadlines and Requirements
Most South Carolina individual income tax returns are due April 15, 2027 (for 2026 tax year), with extensions available. Some sources note a May 1 deadline for certain filers in prior years—confirm with the DOR.
File electronically through the DOR’s free MyDORWAY portal or use approved tax software. Employers must use the updated 2026 withholding tables and SC W-4 form.
Tax Credits and Deductions Available in South Carolina
Beyond the SCIAD, South Carolina offers:
- Earned Income Tax Credit (with updated maximum under H.4216)
- Child and dependent care credits
- Property tax relief for seniors and disabled veterans
- Economic development incentives for businesses
Check the DOR’s individual income tax page for the full list of credits.
Frequently Asked Questions About South Carolina Taxes
Will my taxes go down in 2026?
Most residents will see lower or similar liability due to the new brackets and SCIAD, though very high earners may pay slightly more in some cases until future triggers activate.
Do I need to file a South Carolina return?
Yes, if you have South Carolina taxable income above the SCIAD-based filing threshold.
How do local taxes affect me?
Sales tax varies by location; property tax is entirely county-driven. Always verify your specific city/county rates.
Conclusion: Planning Your Taxes in South Carolina
South Carolina’s 2026 tax landscape—featuring a new 1.99%/5.21% income tax structure, a competitive 5% corporate rate, low property taxes, and a 6% sales tax—continues to position the state as a tax-friendly destination for families and businesses. The built-in triggers for future rate reductions signal even more relief ahead if economic growth continues.
For personalized advice, visit the official South Carolina Department of Revenue at dor.sc.gov, consult a licensed tax professional, or use the state’s free filing tools. Staying informed is the best way to maximize your savings in the Palmetto State.
Last updated: April 2026. Rates and laws are current as of the date of publication but subject to legislative or administrative changes.