South Carolina · 2026 cost guide
How much does a deck cost in South Carolina?
In South Carolina, a deck costs about $4,400–$17,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly $13.8–$55.2 per square foot. That’s about 8% below the U.S. average.
Estimate your South Carolina project with the Deck Cost Calculator →
South Carolina cost breakdown
| Typical total (a 320 sq ft deck) | $4,400–$17,500 |
| Per square foot | $13.8–$55.2 |
| Metro areas (Charleston, Columbia, and Greenville) | up to ~$19,000 |
| Versus U.S. average | about 8% below average |
What’s different about South Carolina
South Carolina's coast faces hurricane wind codes, and humid, subtropical conditions statewide increase exterior wear and moisture management costs.
- Wind-uplift detailing and stronger connectors are common near the coast.
- Rot- and mold-resistant or composite materials are favored in humid climates.
Expect quotes toward the higher end in South Carolina’s larger metros — Charleston, Columbia, and Greenville — where labor and permit costs run above the state average, and lower in rural areas.
How the cost is built
Deck cost depends on size, decking material (pressure-treated pine is cheapest; composite and PVC are mid-range; tropical hardwood is premium), and structural extras like railings, stairs, and elevated footings. Permits and ledger flashing add cost on attached decks.
Resale value
A wood deck recoups about 50–83% of its cost at resale — more than a composite deck — according to the annual Remodeling Cost vs. Value report.
Frequently asked questions
How much does a deck cost in South Carolina?
In South Carolina, a deck costs about $4,400 to $17,500 in 2026 for a 320 sq ft deck, from pressure-treated to composite — roughly 13.8–55.2 per square foot. That's about 8% below the national average, reflecting local labor and material costs.
What affects the cost of a deck in South Carolina?
South Carolina's coast faces hurricane wind codes, and humid, subtropical conditions statewide increase exterior wear and moisture management costs. Wind-uplift detailing and stronger connectors are common near the coast.
How can I get an accurate deck building estimate for my home?
Use the free Deck Cost Calculator to plug in your real measurements and materials, then collect two or three local quotes to compare. Within South Carolina, prices run higher in metros like Charleston, Columbia, and Greenville and lower in rural areas.
Deck building cost by city in South Carolina
Deck building cost in nearby states
Keep planning
Related calculators
Estimate wall area, siding squares, and boxes to order from footprint, stories, gables, and openings.
Open calculator →ConstructionFence CalculatorEstimate posts, rails, pickets, and concrete bags for a fence from its total length.
Open calculator →ConstructionConcrete CalculatorCalculate cubic yards of concrete and the number of bags for slabs, footings, and columns.
Open calculator →Sources & method
The South Carolina figure is the national installed-cost range scaled by a South Carolina regional cost index (its construction costs run about 8% below the U.S. average), then adjusted for the local climate and code factors above. It’s a 2026 planning estimate, not a quote — get local bids before budgeting.
- Smart Cost Hub methodology — how our cost ranges and indices are built
- U.S. Bureau of Labor Statistics — Producer Price Index (construction materials)
- Deck Quotes Near Me — local South Carolina contractor quote data