Basic
$0.95 – $2.86 per sq ft
Neutral-pH clean, one coat of water-based impregnating sealer, excess removed before it dries

Clean and apply penetrating/impregnating sealer to limestone floor or paving, per sq ft.
Seal Limestone in Portland, Oregon typically costs $1.12 to $3.36 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 Portland are 15.0% higher than the national average for seal limestone.
National average: $1 – $3 per sq ft
$0.95 – $2.86 per sq ft
Neutral-pH clean, one coat of water-based impregnating sealer, excess removed before it dries
$1.12 – $3.36 per sq ft
Machine scrub with stone-safe cleaner, two coats of impregnating sealer for water and oil, excess buffed
$1.40 – $4.20 per sq ft
Deep machine clean, two coats of solvent-based fluoropolymer impregnator, excess buffed, absorbency tested
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.47 – $1.42 | sq ft |
| Labor | labor | $0.44 – $1.31 | sq ft |
| Supplies & Other | supplies | $0.13 – $0.38 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.25 | sq ft |
Labor costs in Portland run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local seal limestone contractors in Portland for personalized quotes based on your specific project.