Insulation Cost in Boston, MA in 2026
Most Insulation projects in Boston, MA cost between $1,700 and $7,000. The typical price is $3,300.
Labour and materials in Boston run about 22% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Boston, MA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.38 |
| Mid-range | $2.76 |
| High-end | $5.75 |
Insulation contractors in Boston, MA
Businesses listed on Google near Boston, MA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Advanced Green Insulation
5.0(1,704 reviews)
403 VFW Dr, Rockland, MA 02370
HomeWorks Energy
4.7(2,688 reviews)
529 Main St Ste 610, Charlestown, MA 02129
Evolution Insulation
5.0(98 reviews)
Ap2, 15 Michael Rd, Revere, MA 02151
Smooth
4.9(66 reviews)
10 Heaths Ct #10, Lynn, MA 01905
Newton Spray Foam Insulation
5.0(44 reviews)
44 Kendall Rd, Newton Centre, MA 02459
Boston Admirals Insulation
4.9(41 reviews)
195 Elm St, Everett, MA 02149