Basic
$0.79 – $2.37 per sq ft
Surface pressure-washed, one coat of water-based penetrating silane-siloxane water repellent
Clean and apply a protective sealer to an existing concrete or masonry surface (driveway, patio, floor), per sq ft.
Seal Surface in Charleston, South Carolina typically costs $0.93 to $2.79 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Charleston are 8.0% lower than the national average for seal surface.
National average: $1 – $3 per sq ft
$0.79 – $2.37 per sq ft
Surface pressure-washed, one coat of water-based penetrating silane-siloxane water repellent
$0.93 – $2.79 per sq ft
Pressure-washed, oil spots degreased, two coats of penetrating silane-siloxane sealer
$1.16 – $3.48 per sq ft
Degreased and pressure-washed, joints cleaned, two coats of higher-solids penetrating sealer with oil resistance
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.43 – $1.30 | sq ft |
| Labor | labor | $0.30 – $0.91 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.35 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.23 | sq ft |
Material costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
BuildX Pro researches and reviews the national price range for Seal Surface, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local seal surface contractors in Charleston for personalized quotes based on your specific project.