Insulation Cost in Northport, NY in 2026
Most Insulation projects in Northport, NY cost between $1,600 and $7,000. The typical price is $3,300.
Labour and materials in Northport 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 Northport, NY
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.37 |
| Mid-range | $2.75 |
| High-end | $5.72 |
Insulation contractors in Northport, NY
Businesses listed on Google near Northport, NY. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Spray Foam Insulation USA
4.9(174 reviews)
3553 Lawson Blvd, Oceanside, NY 11572
WeatherFoam Insulation
5.0(87 reviews)
1054 NY-25A, Mt Sinai, NY 11766
Econo Therm Insulation
5.0(72 reviews)
1003 Merrick Rd, Baldwin, NY 11510
Ivy Insulation
5.0(48 reviews)
7 Park Ave, Patchogue, NY 11772
Infinity Attic
4.7(58 reviews)
470 Suffolk Ave, Brentwood, NY 11717
Rocket Insulation
5.0(19 reviews)
40 Haynes Ct, Ronkonkoma, NY 11779