How Much Does Fiberglass Insulation Cost in Seattle, Washington?
Enhance Your Home's Energy Efficiency with Fiberglass Insulation: Discover Advantages, Cost Insights, and Installation Guidance for 2026
Fiberglass Insulation in Seattle, Washington typically costs $0.36 to $5 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Fiberglass Insulation in Seattle, Washington
$0.36 – $5
per sq ftPrices in Seattle are 21.0% higher than the national average for fiberglass insulation.
National average: $0.30 – $4 per sq ft
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.17 – $2 | sq ft |
| Labor | labor | $0.13 – $2 | sq ft |
| Supplies & Other | supplies | $0.05 – $0.57 | sq ft |
| Equipment & Disposal | equipment | $0.02 – $0.38 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.14-$1.80/sq ft)
- Labor ($0.10-$1.40/sq ft)
- Supplies & Other ($0.30-$4/sq ft)
- Equipment & Disposal ($0.30-$4/sq ft)
Local Price Adjustments
Material costs18.0% above avg
Labor costs25.0% above avg
Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- Product and Supplies Data: Zavzaseal pricing for materials used in Fiberglass Insulation — Zavzaseal, Jan 2026, Website
- Product and Supplies Data: Insulationpal pricing for materials used in Fiberglass Insulation — Insulationpal, Jan 2026, Website
- Product and Supplies Data: Homeadvisor pricing for materials used in Fiberglass Insulation — Homeadvisor, Jan 2026, Website
- Product and Supplies Data: Insulationcentennial pricing for materials used in Fiberglass Insulation — Insulationcentennial, Jan 2026, Website
- Labor Wages and Costs: Occupational Employment and Wage Statistics for Fiberglass Insulation — U.S. Bureau of Labor Statistics, Jan 2026, Website
- Labor Cost Benchmarks: Employer Costs for Employee Compensation for Fiberglass Insulation — U.S. Bureau of Labor Statistics, Jan 2026, Website
- Material Cost Benchmarks: Producer Price Index data relevant to Fiberglass Insulation — U.S. Bureau of Labor Statistics, Jan 2026, Website
- Project Spending Data: Improving America’s Housing for Fiberglass Insulation — Harvard Joint Center for Housing Studies, Jan 2026, Website
- Residential Construction and Remodeling Spending data relevant to Fiberglass Insulation — U.S. Census Bureau, Jan 2026, Website
- Project Cost Benchmarking: homeowner project budgeting and planning guidance for Fiberglass Insulation — This Old House, Jan 2026, Website
- Labor Wages and Costs: Unit pricing guidance for Fiberglass Insulation — Journal of Light Construction, Jan 2026, Website
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