Basic
$1.46 – $3.89 per sq ft
Blown-in fiberglass between and over ceiling joists to the recommended R-value for the climate, eave baffles, depth markers
How Much Does Ceiling Insulation Cost in Seattle, Washington?
Install ceiling insulation (fiberglass batt or blown-in) between/above ceiling joists, materials and labor.
Ceiling Insulation in Seattle, Washington typically costs $1.72 to $4.58 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Ceiling Insulation in Seattle, Washington
$1.72 – $4.58
per sq ftPrices in Seattle are 19.0% higher than the national average for ceiling insulation.
National average: $1.50 – $4 per sq ft
What you get at each price level
Standard
$1.72 – $4.58 per sq ft
Blown-in fiberglass to the recommended R-value, eave baffles, gaps around IC-rated fixtures filled, hatch weatherstripped
Premium
$2.15 – $5.73 per sq ft
Blown-in fiberglass to the recommended R-value, eave baffles, gaps around IC-rated fixtures filled, depth markers, insulated weatherstripped hatch cover
Cost Breakdown in Seattle
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.71 – $1.87 | sq ft |
| Labor | labor | $0.70 – $1.88 | sq ft |
| Supplies & Other | supplies | $0.19 – $0.50 | sq ft |
| Equipment & Disposal | equipment | $0.12 – $0.33 | sq ft |
Prices adjusted for Seattle local market conditions.
Cost Factors in Seattle, Washington
What Affects Pricing
- Materials ($0.68-$1.80 per square foot)
- Labor ($0.52-$1.40 per square foot)
- Supplies & Other ($0.18-$0.48 per square foot)
- Equipment & Disposal ($0.12-$0.32 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
- How Much Does Ceiling Insulation Cost? | Forbes Home, Forbes Home, 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 ceiling insulation contractors in Seattle for personalized quotes based on your specific project.