Basic
$0.87 – $2.60 per sq ft
Neutral-pH clean, one coat of water-based impregnating sealer, excess removed before it dries
How Much Does Seal Limestone Cost in Wilmington, Delaware?
Clean and apply penetrating/impregnating sealer to limestone floor or paving, per sq ft.
Seal Limestone in Wilmington, Delaware typically costs $1.02 to $3.06 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 Limestone in Wilmington, Delaware
$1.02 – $3.06
per sq ftPrices in Wilmington are 4.0% higher than the national average for seal limestone.
National average: $1 – $3 per sq ft
What you get at each price level
Standard
$1.02 – $3.06 per sq ft
Machine scrub with stone-safe cleaner, two coats of impregnating sealer for water and oil, excess buffed
Premium
$1.27 – $3.82 per sq ft
Deep machine clean, two coats of solvent-based fluoropolymer impregnator, excess buffed, absorbency tested
Cost Breakdown in Wilmington
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.44 – $1.31 | sq ft |
| Labor | labor | $0.39 – $1.17 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.35 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.23 | sq ft |
Prices adjusted for Wilmington local market conditions.
Cost Factors in Wilmington, Delaware
What Affects Pricing
- Materials ($0.45-$1.35 per square foot)
- Labor ($0.35-$1.05 per square foot)
- Supplies & Other ($0.12-$0.36 per square foot)
- Equipment & Disposal ($0.08-$0.24 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
References
- Rose Restoration: Limestone Restoration Cost Guide 2026, roserestoration.com, retrieved Nov 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 Wilmington
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