South Carolina deck costs are below the national average in 2026, ranging from $18 to $33 per square foot for pressure-treated wood and $33 to $62 per square foot for composite decking. A standard 12×16 deck in South Carolina typically costs between $4,800 and $11,200 depending on material and location.
Estimates are for planning purposes only and based on 2025 contractor data.
Always get at least 3 quotes before hiring. Prices vary by ZIP code, site conditions, and contractor availability.
Deck costs in South Carolina are below the national average in 2026, ranging from $18 to $33 per square foot for pressure-treated wood and $33 to $62 per square foot for composite decking. A standard 12×16 deck in South Carolina typically costs between $4,800 and $11,200 depending on material and location.
Frequently Asked Questions
How much does a deck cost in South Carolina in 2026?
Most South Carolina homeowners pay between $4,500 and $11,500 for a new deck in 2026. Charleston and Myrtle Beach areas run higher than inland areas. Coastal properties may require additional materials to meet wind and moisture requirements.
What decking material works best in South Carolina?
Composite decking is highly recommended for South Carolina due to high humidity, coastal salt air, and intense summer sun. Pressure-treated wood also works but requires frequent maintenance in the hot humid climate.
Do I need a permit to build a deck in South Carolina?
Yes, South Carolina requires building permits for most deck projects. Coastal areas have additional requirements related to wind loads and storm resistance. Permit costs range from $100 to $500 depending on your county.
When is the best time to build a deck in South Carolina?
Fall through spring is the best building window in South Carolina. October through April offers the most comfortable working conditions. Summer heat and humidity above 90 degrees can slow construction significantly.