Basic
$23 – $28 per sq ft
Entry-grade capped composite deck boards in a single solid color, face-screwed with color-matched screws, square-cut ends
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How Much Does Install Synthetic Decking Cost in Seattle, Washington?
Install Synthetic Decking: national installed price range, materials and labor breakdown, and local pricing by ZIP code.
Install Synthetic Decking in Seattle, Washington typically costs $27 to $33 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Install Synthetic Decking in Seattle, Washington
$27 – $33
per sq ftPrices in Seattle are 19.0% higher than the national average for install synthetic decking.
National average: $24 – $29 per sq ft
What you get at each price level
Standard
$27 – $33 per sq ft
Capped composite boards in a multi-tone wood-grain color, grooved edges with hidden clip fasteners, ends trimmed straight
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Find a pro to do thisPremium
$34 – $41 per sq ft
Fully capped composite boards with variegated grain, hidden fasteners, contrasting picture-frame border boards
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Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $11 – $13 | sq ft |
| Labor | labor | $11 – $13 | sq ft |
| Supplies & Other | supplies | $2.93 – $3.59 | sq ft |
| Equipment & Disposal | equipment | $1.96 – $2.39 | sq ft |
Prices adjusted for Seattle local market conditions.
Install Synthetic Decking photo examples
Composite decking boards around a small plunge pool
Photo: Riyaj Shah · CC BY-SA 4.0 · Source
Find a pro to do thisTerracotta composite decking boards in front of a shop arcade
Photo: Riyaj Shah · CC BY-SA 4.0 · Source
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Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($10.58-$12.94 per square foot)
- Labor ($8.23-$10.06 per square foot)
- Supplies & Other ($23.51-$28.75 per square foot)
- Equipment & Disposal ($23.51-$28.75 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 Install Synthetic Decking, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Sep 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 install synthetic decking contractors in Seattle for personalized quotes based on your specific project.