Insulation Cost in San Diego, CA in 2026
Most Insulation projects in San Diego, CA cost between $1,700 and $7,000. The typical price is $3,400.
Labour and materials in San Diego run about 29% 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 San Diego, CA
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $1.44 |
| Mid-range | $2.87 |
| High-end | $5.98 |
Insulation contractors in San Diego, CA
Businesses listed on Google near San Diego, CA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Attic Projects Company
4.9(984 reviews)
7840 Dunbrook Rd, San Diego, CA 92126
Attic Professional
5.0(295 reviews)
8733 Magnolia Ave Ste 125, Santee, CA 92071
Attic Construction
4.9(317 reviews)
4164 Cartagena Dr, San Diego, CA 92115
Advanced Insulation System
5.0(147 reviews)
5044 Ruffner St, San Diego, CA 92111
California Attic & Build
4.9(160 reviews)
4901 Morena Blvd, San Diego, CA 92117
All Type Insulation Services, Inc.
4.8(76 reviews)
1902 Wright Pl #200, Carlsbad, CA 92008