Install Spray Foam Insulation Cost in Gilroy, CA in 2026
Most Install Spray Foam Insulation projects in Gilroy, CA cost between $3,500 and $14,500. The typical price is $7,000.
Closed-cell spray foam costs the most per square foot and delivers the highest R-value per inch.
Labour and materials in Gilroy 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 Gilroy, CA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $2.89 |
| Mid-range | $5.78 |
| High-end | $12 |
Insulation contractors in Gilroy, CA
Businesses listed on Google near Gilroy, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Triumph Insulation Solution San Jose
5.0(28 reviews)
377 Avenida Arboles, San Jose, CA 95123
HM Insulation Inc.
5.0(27 reviews)
4450 Monterey Rd building n, Gilroy, CA 95020
Sanden Insulation
5.0(15 reviews)
162 Mar Monte Ave, Watsonville, CA 95076
Ponzini Insulation Inc
4.6(12 reviews)
318 Third St, San Juan Bautista, CA 95045
Tri-County Insulation & Acoustical Contractors
4.8(9 reviews)
910 St George Ln, San Jose, CA 95120
OJ Insulation
4.4(7 reviews)
16530 Railroad Ave Ste 100, Morgan Hill, CA 95037