Basic
$7.78 – $15 per sq ft
Composite slate-look shingles in a single gray, uniform width, synthetic underlayment, standard starter, ridge and step flashing
Install mineral fiber (fiber cement or composite slate-look) roof shingles over the deck, including underlayment, starter, ridge and flashing.
Mineral Fiber Shingle Roof in Seattle, Washington typically costs $9.16 to $17 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 Seattle are 19.0% higher than the national average for mineral fiber shingle roof.
National average: $8 – $15 per sq ft
$7.78 – $15 per sq ft
Composite slate-look shingles in a single gray, uniform width, synthetic underlayment, standard starter, ridge and step flashing
$9.16 – $17 per sq ft
Composite slate-look shingles in a two-tone gray blend, uniform width, synthetic underlayment, ice barrier at eaves and valleys, matching ridge
$11 – $21 per sq ft
Composite slate-look shingles in a blended multi-color with varied widths, ice barrier, painted metal valleys, matching hip and ridge
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $3.75 – $7.02 | sq ft |
| Labor | labor | $3.74 – $7.04 | sq ft |
| Supplies & Other | supplies | $0.99 – $1.87 | sq ft |
| Equipment & Disposal | equipment | $0.68 – $1.25 | sq ft |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local mineral fiber shingle roof contractors in Seattle for personalized quotes based on your specific project.