Insulation Cost in Sunnyvale, CA in 2026
Most Insulation projects in Sunnyvale, CA cost between $1,700 and $7,000. The typical price is $3,400.
Labour and materials in Sunnyvale run about 24% 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 Sunnyvale, CA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.40 |
| Mid-range | $2.79 |
| High-end | $5.82 |
Insulation contractors in Sunnyvale, CA
Businesses listed on Google near Sunnyvale, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Attic Elite
4.9(566 reviews)
37310 Cedar Blvd Ste H, Newark, CA 94560
Attic Team
5.0(94 reviews)
2175 The Alameda #209, San Jose, CA 95126
Ideal Attic Insulation
5.0(58 reviews)
1050 E Santa Clara St, San Jose, CA 95116
Attic Bros of Mountain View
4.9(46 reviews)
800 W El Camino Real Unit 310, Mountain View, CA 94040
Delta Spray Foam Insulation
5.0(34 reviews)
472 Castro St, Mountain View, CA 94041
All State Insulation
5.0(32 reviews)
4510 Peralta Blvd Suit 23, Fremont, CA 94536