Basic
$0.79 – $0.95 per sq ft
Deck cleaned and one coat of clear water-repellent sealer applied to boards and rails
How Much Does Seal Deck Cost in Charleston, South Carolina?
Seal Deck: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Seal Deck in Charleston, South Carolina typically costs $0.93 to $1.11 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Seal Deck in Charleston, South Carolina
$0.93 – $1.11
per sq ftPrices in Charleston are 8.0% lower than the national average for seal deck.
National average: $1 – $1.20 per sq ft
What you get at each price level
Standard
$0.93 – $1.11 per sq ft
Deck cleaned and brightened, one coat of toned semi-transparent penetrating stain-sealer with UV inhibitors
Premium
$1.16 – $1.39 per sq ft
Cleaned, brightened and lightly sanded, two coats of penetrating oil semi-transparent stain-sealer for a deeper, richer tone with UV inhibitors
Cost Breakdown in Charleston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.43 – $0.52 | sq ft |
| Labor | labor | $0.30 – $0.37 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.13 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.10 | sq ft |
Prices adjusted for Charleston local market conditions.
Cost Factors in Charleston, South Carolina
What Affects Pricing
- Materials ($0.45-$0.54 per square foot)
- Labor ($0.35-$0.42 per square foot)
- Supplies & Other ($1.00-$1.20 per square foot)
- Equipment & Disposal ($1.00-$1.20 per square foot)
Local Price Adjustments
Material costs4.0% below avg
Labor costs13.0% below avg
Material costs in Charleston run proportionally higher than labor, which may favor labor-intensive approaches.
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Seal Deck, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 2026.
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
Get Free Estimates in Charleston
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