Basic
$0.93 – $4.19 per sq ft
R-30 fiberglass batts between floor joists pressed against the subfloor, wire supports at regular spacing
How Much Does Floor Insulation Cost in Boston, Massachusetts?
Insulate the underside of a floor over a crawl space or unheated area with batts, rigid board or spray foam between joists, supported in place.
Floor Insulation in Boston, Massachusetts typically costs $1.09 to $4.93 per sq ft as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Floor Insulation in Boston, Massachusetts
$1.09 – $4.93
per sq ftPrices in Boston are 14.0% higher than the national average for floor insulation.
National average: $1 – $4.50 per sq ft
What you get at each price level
Standard
$1.09 – $4.93 per sq ft
R-30 fiberglass batts pressed against the subfloor, held with wire supports, gaps at rim joists stuffed with insulation
Premium
$1.37 – $6.16 per sq ft
R-30 fiberglass batts pressed to the subfloor, wire supports at close spacing, rim joists insulated, batts cut tight around pipes and wiring
Cost Breakdown in Boston
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $0.45 – $2.02 | sq ft |
| Labor | labor | $0.44 – $2.01 | sq ft |
| Supplies & Other | supplies | $0.12 – $0.54 | sq ft |
| Equipment & Disposal | equipment | $0.08 – $0.36 | sq ft |
Prices adjusted for Boston local market conditions.
Cost Factors in Boston, Massachusetts
What Affects Pricing
- Materials ($0.45-$2.02 per square foot)
- Labor ($0.35-$1.58 per square foot)
- Supplies & Other ($1.00-$4.50 per square foot)
- Equipment & Disposal ($1.00-$4.50 per square foot)
Local Price Adjustments
Material costsAt national average
Labor costs27.0% above avg
Labor costs in Boston run proportionally higher than materials, which may favor material-heavy solutions.
Frequently Asked Questions
References
- InsulationCalcs: Floor & Crawlspace Insulation Cost, insulationcalcs.com, retrieved Nov 2026
- PICKHVAC: Insulation for Crawl Space, pickhvac.com, 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 Boston
Connect with local floor insulation contractors in Boston for personalized quotes based on your specific project.