Basic
$1.01 – $1.94 per sq ft
Surface cleaned with stone-safe cleaner, one coat of water-based penetrating sealer, excess buffed off
How Much Does Seal Granite Cost in Wilmington, Delaware?
Seal Granite: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Seal Granite in Wilmington, Delaware typically costs $1.18 to $2.28 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 Granite in Wilmington, Delaware
$1.18 – $2.28
per sq ftPrices in Wilmington are 4.0% higher than the national average for seal granite.
National average: $1.16 – $2.24 per sq ft
What you get at each price level
Standard
$1.18 – $2.28 per sq ft
Deep clean and degrease, two applications of solvent-based impregnating sealer, excess buffed, water-drop tested
Premium
$1.48 – $2.85 per sq ft
Deep clean, spot stain treatment, two coats of fluoropolymer impregnating sealer for oil and water, buffed and tested
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.50 – $0.98 | sq ft |
| Labor | labor | $0.46 – $0.87 | sq ft |
| Supplies & Other | supplies | $0.14 – $0.26 | sq ft |
| Equipment & Disposal | equipment | $0.09 – $0.17 | sq ft |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($0.52-$1.01 per square foot)
- Labor ($0.41-$0.78 per square foot)
- Supplies & Other ($1.16-$2.24 per square foot)
- Equipment & Disposal ($1.16-$2.24 per square foot)
Local Price Adjustments
Material costs3.0% below avg
Labor costs11.0% above avg
Labor costs in Wilmington run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
How we price this
BuildX Pro researches and reviews the national price range for Seal Granite, 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
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