South Carolina homes are mostly built since the 1970s: the median build year is 1993 and nearly 13 percent of units are manufactured homes. Wood-frame walls with drywall are typical, often with brick or siding outside, and coastal areas add hurricane and salt-air considerations.

median year homes were built: 1993; median year homes were built
built in 2000 or later: 39.7%; built in 2000 or later
built before 1960: 11.8%; built before 1960
single-family homes: 69.7%; single-family homes
in buildings with 5+ units: 12.9%; in buildings with 5+ units
mobile homes: 12.8%; mobile homes

Source: U.S. Census Bureau, ACS 2024 1-year (tables B25035, B25034, B25024)

Common wall types

Wood-frame drywall walls

Where: Most houses in Greenville, Columbia, Charleston suburbs and the Myrtle Beach area.

Mounting: Studs are typically 16 inches on center; lag into at least two studs.

Brick veneer over wood frame

Where: Common on Southeastern houses; the brick is a facing, not the structure.

Mounting: Mount to the interior wood studs, not through to the veneer.

Manufactured homes

Where: About one in eight units statewide, especially in rural counties.

Mounting: Walls are thin and studs may be spaced wider; the mount must reach framing, and heavy or articulating mounts may need added blocking.

Coastal and elevated homes

Where: Charleston, Beaufort, Myrtle Beach and the Lowcountry, where post-2005 codes require roof-to-wall connections and wind-resistant construction.

Mounting: Interior walls are usually stud and drywall; outdoor areas need corrosion-resistant hardware.

Historic plaster and masonry

Where: Charleston and Beaufort historic districts.

Mounting: Plaster and old brick need slow, careful drilling and may be subject to preservation rules.

Concrete and metal-stud condo walls

Where: Coastal condos in Myrtle Beach, Hilton Head and Charleston.

Mounting: Use snap toggles or concrete anchors; association approvals apply.

Tips before you mount

Stud walls: studs are usually 16" on center. Lag the mount into at least two studs with 5/16" lag bolts, typically about 2.5" to 3" long; a full-motion arm puts far more leverage on the wall than a flat mount, so it should never hang on drywall anchors alone.
Brick veneer houses: mount to the interior studs. Do not rely on the brick exterior, and avoid drilling through exterior walls for wiring.
Metal studs (common in apartments and condos): use toggle-style anchors such as snap toggles rated for the TV and mount weight, or have the installer add wood blocking behind the drywall.
Manufactured homes: locate framing carefully since stud spacing can differ; consider wood blocking behind the paneling for full-motion arms.
Hiding wires: the National Electrical Code (NEC 400.12) does not allow a regular TV power cord to run inside the wall. Use an in-wall rated recessed power kit, and choose low-voltage cables rated CL2 or CL3 for in-wall HDMI and speaker runs.
Porches and outdoor rooms: summer heat and humidity are high and the coast adds salt air. Use an outdoor-rated TV, stainless-steel hardware and weather-protected connections.
Condos and apartments: ask the association or landlord whether drilling into walls needs approval, and get the installer's certificate of insurance (COI) naming the association before work day.
Before work starts, tell the installer the wall type (studs, plaster, masonry or concrete), the TV size and weight and the mount type. These change the anchors, labor time and price.

Sources: Census Reporter, ACS 2024 1-year: South Carolina (B25035, B25034, B25024) · SC Biz: Stricter construction codes add security for South Carolina builders · Charleston building and roofing codes. General guidance only — your installer will confirm the right method for your wall.