Basic
$24 – $54 per sq ft
Powder-coated aluminum deck boards in a standard solid color, slip-resistant finish, face screws, basic end trim
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How Much Does Aluminum Decking Cost in Seattle, Washington?
Supply and install aluminum deck boards over existing or new framing, including fasteners and trim, excluding demolition.
Aluminum Decking in Seattle, Washington typically costs $29 to $63 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Aluminum Decking in Seattle, Washington
$29 – $63
per sq ftPrices in Seattle are 19.0% higher than the national average for aluminum decking.
National average: $25 – $55 per sq ft
What you get at each price level
Standard
$29 – $63 per sq ft
Aluminum planks with textured slip-resistant powder coat, hidden-fastener system, matching fascia and end trim
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$36 – $79 per sq ft
Heavier-profile aluminum planks with wood-grain powder-coat finish, hidden fasteners, matching fascia trim and stair nosing
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Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $12 – $26 | sq ft |
| Labor | labor | $12 – $26 | sq ft |
| Supplies & Other | supplies | $3.12 – $6.86 | sq ft |
| Equipment & Disposal | equipment | $2.08 – $4.58 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($11.25-$24.75 per square foot)
- Labor ($8.75-$19.25 per square foot)
- Supplies & Other ($3.00-$6.60 per square foot)
- Equipment & Disposal ($2.00-$4.40 per square foot)
Local Price Adjustments
Material costs4.0% above avg
Labor costs34.0% above avg
Labor costs in Seattle 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 Aluminum Decking, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked 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 Seattle
Connect with local aluminum decking contractors in Seattle for personalized quotes based on your specific project.