Basic
$7.92 – $18 per sq ft
Primed engineered composite lap siding with an embossed wood grain, house wrap, standard corner boards, field-painted one color
How Much Does Composite Siding Cost in Seattle, Washington?
Install composite (wood-fiber/polymer or engineered composite) lap siding on a house exterior, materials and labor, per square foot of wall.
Composite Siding in Seattle, Washington typically costs $9.32 to $21 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Composite Siding in Seattle, Washington
$9.32 – $21
per sq ftPrices in Seattle are 19.0% higher than the national average for composite siding.
National average: $8 – $18 per sq ft
What you get at each price level
Standard
$9.32 – $21 per sq ft
Factory pre-finished engineered composite lap siding, house wrap, matching corner boards and window trim
Premium
$12 – $26 per sq ft
Factory pre-finished composite lap siding with deeper grain, house wrap with rainscreen gap, wider trim boards in a contrasting color
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $3.46 – $9.36 | sq ft |
| Labor | labor | $4.46 – $8.44 | sq ft |
| Supplies & Other | supplies | $0.70 – $1.87 | sq ft |
| Equipment & Disposal | equipment | $0.70 – $0.94 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($3.33-$9.00 per square foot)
- Labor ($3.33-$6.30 per square foot)
- Supplies & Other ($0.67-$1.80 per square foot)
- Equipment & Disposal ($0.67-$0.90 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
References
- Hover: House siding cost 2026, hover.to, retrieved 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 composite siding contractors in Seattle for personalized quotes based on your specific project.