State playbook - South Carolina

Matchbook, tuned for South Carolina payroll, programs, and coastal and upstate disasters.

South Carolina has a live, phasing-down progressive income tax (top rate 6.2% for tax year 2025, dropping toward a flat 6.0% path), a modest $14,000 SUI wage base, state-specific employer credits (Jobs Tax Credit, Textile Revitalization, ECENC), and a coast plus upstate exposed to hurricanes and inland flooding. Most broker ROI decks miss the household-program coordination and IRC 139 disaster levers that matter here.

What Matchbook ships for South Carolina Tax profile
Tax mechanics

Payroll tax in South Carolina

State income tax

Applies

South Carolina has a progressive income tax with a top marginal rate of 6.2% for tax year 2025 (down from 6.3% in 2024), on a statutory glide path toward a flat 6.0% if revenue triggers are met. A $3,300 healthcare FSA election saves about $1,254 for a 22% federal bracket SC employee at the top SC marginal rate (22% + 7.65% FICA + 6.2% SC = 35.85%) versus about $1,050 for the same Florida employee. Matchbook recomputes the full marginal stack per employee bracket and flags households near SC bracket breakpoints where an extra pre-tax dollar drops them a bracket.

South Carolina Unemployment Insurance (DEW)

Wage base $14,000 (2025; held flat for 2026)

Rate range: 0.06%-5.46% total (tax class 1-20 plus contingency and interest surcharges); new employer rate about 0.41%-0.55% depending on class assignment

SC's $14,000 wage base is double Florida's but still low relative to salaried payrolls. Matchbook models SUI savings on Section 125 and Section 132(f) reductions only for wages below $14K YTD per employee - for most salaried workers this zeros out by March. The meaningful employer payroll-tax win in SC remains the 7.65% FICA match plus the small first-quarter SUI slice for new hires and hourly workers.

Employer FICA

7.65% / 1.45% split

Employer FICA is 7.65% on wages up to the Social Security wage base ($176,100 in 2025; projected about $183,600 in 2026) and 1.45% above it. Matchbook models this per employee rather than quoting a flat rate.

Employer credits and levers

State and federal credits worth stacking

Credits that most broker ROI decks omit. Matchbook surfaces these in the employer report.

South Carolina Jobs Tax Credit (JTC)

Statutory credit against SC corporate income tax (or insurance premium tax) for net new full-time jobs. Credit per job ranges from $1,500 to $25,000 per year for five years depending on county tier (Tier I-IV) and designated sites. Minimum monthly job thresholds apply; unused credits carry forward 15 years. Matchbook flags this as the primary SC CIT offset to consider alongside benefits spend.

Source →

South Carolina Textile Communities Revitalization Credit

Credit against SC income tax, insurance premium tax, or property tax for rehabilitation of abandoned textile mill sites. Credit equal to 25% of qualified rehabilitation expenses, with site and filing requirements under SC Code 12-65. Relevant to SC employers acquiring or renovating mill properties for office, production, or mixed-use space.

Source →

Exceptional Needs Children (ECENC) Scholarship tax credit

Dollar-for-dollar SC income tax credit for contributions to the Exceptional SC scholarship fund for K-12 students with exceptional needs. Statewide annual cap; credit limited to 75% of the taxpayer's SC tax liability. A CIT-offset lever worth flagging for SC employers with state tax liability and a CSR or ERG audience interested in special-needs education.

Source →

Federal IRC Section 45F (stacks with SC employer levers)

Federal employer-provided childcare credit. 25% credit with $150K cap in 2025; rises to 40% with $500K cap in 2026, and 50% with $600K cap for small employers. Matchbook surfaces the federal credit in the SC employer ROI report when an employer evaluates on-site or sponsored childcare; SC has no standalone state childcare employer credit, so 45F is the primary lever.

Source →

Household programs

State programs that change what your employees should elect

Matchbook coordinates these against DCFSA, FSA, and HSA elections at the household level.

Childcare subsidy

SC ABC Child Care Voucher Program

SC Department of Social Services subsidy program for income-eligible working families and families in education or training. Eligibility generally at or below 85% State Median Income at entry. Families pay a copay tied to income; state pays the provider directly.

Matchbook: ABC Vouchers reduce household out-of-pocket dependent-care cost and therefore reduce the right DCFSA election. Matchbook asks SC employees whether they qualify or are enrolled before recommending DCFSA contribution levels, and models the copay rather than the full rate.

Source →

Preschool

SC 4K (CERDEP / Full-Day 4K)

South Carolina's state-funded full-day 4-year-old kindergarten (Child Early Reading Development and Education Program). Free to eligible 4-year-olds in public schools and approved private providers; eligibility based on family income or educational-need indicators.

Matchbook: Full-day 4K covers the school day but not summer or extended care. Matchbook models DCFSA for wrap-around, summer, and after-school costs rather than zeroing the election when a child enters 4K.

Source →

Health programs

Coverage coordination checkpoints

Healthy Connections Kids (SC CHIP / Medicaid)

SC's integrated Medicaid and CHIP program for children. Income eligibility up to 213% FPL for CHIP Medicaid expansion; pregnant women and infants up to 194% FPL. Administered by SC Department of Health and Human Services.

Matchbook: Employees declining dependent coverage on the employer plan should be screened against Healthy Connections Kids thresholds before Matchbook defaults to the family tier - the SC CHIP cutoff is higher than many employers assume.

Source →

ACA Marketplace (Federally Facilitated Marketplace)

South Carolina uses the federal HealthCare.gov exchange (no state-based marketplace). 2026 employer-affordability threshold is 9.96% of household income. Enhanced premium tax credits expired at the end of 2025, so 2026 SC Marketplace premiums see meaningful increases. Family-glitch fix still applies.

Matchbook: If employer family coverage exceeds 9.96% of household income, Matchbook surfaces the Marketplace dependent subsidy path. Post-enhanced-PTC, Matchbook re-runs affordability with the lower 2026 subsidy curve rather than the 2021-2025 ARPA curve.

Source →

SC Medicaid post-unwinding recovery

SC completed Medicaid redetermination through 2024; a material share of disenrollments were procedural. Open enrollment is the right touchpoint to recover procedurally-disenrolled dependents onto employer coverage or Healthy Connections Kids.

Matchbook: Matchbook's SC screener flags households that may have lost Medicaid for reasons unrelated to eligibility and offers the re-enrollment or CHIP path before defaulting them to employer family coverage.

Source →

Retirement and wealth

State-level retirement and wealth context

SC ABLE Savings Program (Palmetto ABLE)

South Carolina's Section 529A program for disabled beneficiaries, administered by the State Treasurer. 2025 contribution limit $19,000; employed beneficiaries may add up to $15,060 more. Contributions are deductible from SC taxable income for account owners and certain contributors.

Matchbook: FSA or HSA dollars reimburse medical expenses; ABLE covers broader qualified disability expenses. When SSI asset limits are in play, Matchbook routes disability-related spend to ABLE first, and surfaces the SC state deduction for in-state ABLE contributions.

Source →

Future Scholar 529 (SC state deduction)

Future Scholar is SC's 529 plan. South Carolina is one of the few states with an unlimited SC income-tax deduction for contributions to Future Scholar, up to the account's maximum contribution ceiling. Contributions by April 15 can be deducted for the prior tax year.

Matchbook: Unlike Florida, SC has a real in-state 529 tilt because of the unlimited state deduction. Matchbook biases college-savings recommendations for SC residents toward Future Scholar and quantifies the SC 6.2% marginal deduction value explicitly.

Source →

Section 132(f) commuter

Pre-tax commuter reality in South Carolina

2025 IRC Section 132(f) cap is $325 per month for transit and $325 per month for qualified parking.

Parking and state credits

Parking: Charleston peninsula and downtown Columbia monthly parking frequently approaches the $325 cap; Greenville and Spartanburg CBD parking typically sits well below the cap.

State credit: None - South Carolina has no state-level commuter tax credit layered on top of IRC Section 132(f).

Disaster readiness

South Carolina disaster-relief playbook

IRC Section 139 qualified disaster relief payments are not W-2 wages: no FICA, no FUTA, no federal income tax withholding, and the employer gets a full deduction. Triggered by a federal disaster declaration. Recent SC-qualifying events include Hurricane Helene (2024, severe inland wind and flooding across the upstate), Hurricane Matthew (2016), the 2015 thousand-year flood, and historical precedent from Hurricane Hugo (1989). Inland flooding, not just coastal wind, is the dominant SC disaster pattern.

  • Pre-drafted Section 139 policy template so employers can disburse tax-free relief within 48 hours of a federal declaration - tuned for both coastal (evacuation, wind) and upstate (flood, ice storm) scenarios.
  • Post-storm Section 125 election-change guidance: a hurricane or flood alone is not a listed change-in-status event under Treas. Reg. 1.125-4 - it qualifies only when it triggers a change in residence, employment, or cost-of-coverage.
  • FEMA Individual Assistance interaction: IRS Section 139 payments generally stack with FEMA IA, but Matchbook flags duplication risks in the disbursement log.
  • SC-specific disaster leave review (SC has no statutory paid disaster leave, so employer policy governs) and coordination with SC Emergency Management Division evacuation zones.
  • Helene-lesson routing: Matchbook flags upstate SC employees (Greenville, Spartanburg, Anderson, Oconee) for disaster-prep communications, not only coastal employees - Helene inland damage in SC exceeded most prior expectations.
Matchbook for South Carolina

What we ship specifically for South Carolina employers

  • SC marginal-stack calibration in the employee savings engine - recompute pre-tax FSA, DCFSA, HSA, and 132(f) savings at SC's 6.2% top rate (with bracket-aware logic for lower earners) rather than the federal-only stack.
  • Future Scholar 529 tilt for SC residents in the household savings recommender, with explicit quantification of the unlimited SC income-tax deduction versus out-of-state 529 options.
  • SC Jobs Tax Credit, Textile Revitalization, and ECENC surface in the employer CIT-offset report so CFOs see benefits spend alongside available SC credits.
  • ABC Voucher and SC 4K wrap-around logic in the DCFSA recommender, ingesting SC DSS and SCDE eligibility rules so dependent-care elections model the copay rather than full rack rate.
  • Healthy Connections Kids screener at open enrollment - SC CHIP cutoffs are higher than the FL-style default assumes, so more SC dependents qualify.
  • IRC Section 139 hurricane and inland-flood playbook template with pre-drafted employer policy, Helene-calibrated upstate communications, and post-storm Section 125 election-change guidance.
  • Benefits graph ingests: SC DOR credit bulletins, SC DEW UI wage base and rate notices, SC DSS ABC Voucher eligibility, SCDE 4K program data, SCDHHS CHIP thresholds, FEMA DR numbers for SC, and FFM 2026 SC rate filings.
Sources

Primary sources for this playbook

Pilot Matchbook with a South Carolina-aware engine.

Talk to us about a 30-day pilot calibrated to South Carolina payroll, programs, and disaster rules.

Book employer walkthrough See all state playbooks