Insulation Cost in Dorchester, MA in 2026
Most Insulation projects in Dorchester, MA cost between $1,600 and $7,000. The typical price is $3,300.
Labour and materials in Dorchester run about 20% 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 Dorchester, MA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.36 |
| Mid-range | $2.72 |
| High-end | $5.67 |
Insulation contractors in Dorchester, MA
Businesses listed on Google near Dorchester, MA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Boston Admirals Insulation
4.9(41 reviews)
195 Elm St, Everett, MA 02149
Diamond Dorchester Insulation Inc.
4.9(39 reviews)
162 Rosseter St #3, Boston, MA 02121
Quality Spray Foam Insulation Boston
4.9(39 reviews)
798 Dorchester Ave #1, Boston, MA 02125
Green Insulation Brookline Inc.
4.9(33 reviews)
175 Freeman St #423, Brookline, MA 02446
Caliber Insulation
4.8(26 reviews)
38 Claybourne St, Boston, MA 02124
Wollaston Construction LLC
4.8(16 reviews)
362 Washington St, Quincy, MA 02169