One certification, two credits. The state credit rides the federal Parts 1–3 process — the only real decision is which percentage to elect.
| Quick Facts — SC Historic Rehabilitation Credit | |
|---|---|
| Credit amount | 10% of qualified expenses, or an optional 25% election |
| Cap | $1,000,000 per certified historic structure under the 25% election; no cap on the 10% option |
| Eligibility | Certified historic structure with a certified rehabilitation — piggybacks on the federal Parts 1, 2 and 3 process through the SC SHPO and NPS |
| How claimed | Equal installments over three years |
| Stacks with | Federal historic credit (automatically); textile mill or abandoned buildings credit where the site qualifies |
Because the state credit rides the federal certification, one clean application process unlocks both. That makes the SC historic credit unusually cheap to add to a project that is already pursuing the federal credit — there is no separate eligibility regime to satisfy.
We coordinate the SHPO and NPS path, elect the right percentage, and place the combined federal-plus-state package with a single investor where possible.
Model my historic credit stackOfficial references: S.C. Code §12-6-3535; SC Department of Archives & History (SHPO); National Park Service.
| Qualified expenses | 25% election (capped $1M) | 10% option (uncapped) |
|---|---|---|
| $2,000,000 | $500,000 | $200,000 |
| $4,000,000 | $1,000,000 (cap reached) | $400,000 |
| $10,000,000 | $1,000,000 | $1,000,000 — crossover |
| $30,000,000 | $1,000,000 | $3,000,000 |
The cap applies per certified historic structure, so a campus of separately certified buildings can reach the 25% ceiling more than once — which sometimes flips the answer on a multi-building mill site. That determination is worth making carefully, and early.
We run both cases in every set of projections, including the multi-structure certification question, so the election is a calculation rather than a default.
Which election is worth more on my project?| Program | Stacks? |
|---|---|
| Federal historic credit (20%) | Yes — required, in fact; the state credit rides the federal certification |
| SC textile mill credit (25%) | Yes — expressly claimable in addition, on a qualifying mill site |
| SC abandoned buildings credit (25%) | Yes, where the building qualifies under both statutes |
| SC Housing Tax Credit and federal LIHTC | Yes, on qualifying adaptive-reuse affordable housing conversions |
Projects that earn the 20% federal historic rehabilitation credit may also claim a South Carolina credit of 10% of rehabilitation costs, or elect an optional 25% credit capped at $1 million per certified historic structure, claimed in installments over three years.
The crossover is around $10 million of qualified expenses. Below that the capped 25% election yields more; above it the uncapped 10% overtakes the $1 million ceiling. Because the cap applies per certified historic structure, a campus of separately certified buildings can reach the ceiling more than once, which sometimes flips the answer.
Yes. The South Carolina credit piggybacks on the federal certification, so the project must be a certified historic structure with a certified rehabilitation through the SC SHPO and the National Park Service Parts 1, 2 and 3 process.
Yes. The textile statute expressly permits its credit to be claimed in addition to historic rehabilitation credits, so a qualifying mill can carry the 25% textile credit, the 20% federal historic credit, and the SC state historic credit on the same rehabilitation.
If you are already pursuing the federal historic credit in South Carolina, the state credit needs no separate eligibility regime. Let's make sure you elect the right percentage.
