Basic
$6.81 – $16 per sq ft
29-gauge bare Galvalume ribbed panels with exposed gasketed screws over synthetic underlayment, basic ridge cap

Steel roof (corrugated/ribbed panels to standing seam, galvanized or Galvalume) installed on a residential roof, priced per square foot.
Steel Roof in Seattle, Washington typically costs $8.02 to $18 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 steel roof.
National average: $7 – $16 per sq ft
$6.81 – $16 per sq ft
29-gauge bare Galvalume ribbed panels with exposed gasketed screws over synthetic underlayment, basic ridge cap
$8.02 – $18 per sq ft
26-gauge polyester-painted ribbed steel panels, exposed color-matched gasketed screws, synthetic underlayment, matching trim
$10 – $23 per sq ft
24-gauge PVDF-painted high-rib steel panels, color-matched screws, trim and formed ridge cap with closure strips
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $3.28 – $7.49 | sq ft |
| Labor | labor | $3.28 – $7.50 | sq ft |
| Supplies & Other | supplies | $0.87 – $2 | sq ft |
| Equipment & Disposal | equipment | $0.58 – $1.33 | sq ft |
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local steel roof contractors in Seattle for personalized quotes based on your specific project.