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Insulation in San Diego, CA

Compare 6 local insulation pros. Typical service: $1691–$3262.

Top Insulation Companies in San Diego

  1. 1.Attic Projects Company

    4.9★ (999 reviews)

    4.9★ from 999 reviews

    +18582467421Website

  2. 2.Miramar SD Insulation Inc.

    5.0★ (31 reviews)

    5.0★ from 31 reviews

    +16193913037Website

  3. 3.Quality Edge Attic Insulation

    5.0★ (6 reviews)

    5.0★ from 6 reviews

    +18585443018Website

  4. 4.Evergreen San Diego Insulation

    5.0★ (5 reviews)

    5.0★ from 5 reviews

    +18583466867Website

  5. 5.San Diego Thermal Insulation

    5.0★ (3 reviews)

    5.0★ from 3 reviews

    +18582991995Website

  6. 6.Attic Seal Insulation

    +14423215265

Insulation Cost in San Diego

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in San Diego
Attic blown-in insulation$1,691–$3,262/job
Attic spray foam$3,624–$7,248/job

Insulation prices in San Diego run about 21% above the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 6 companies serving San Diego, rated 5.0★ on average across 1,044 customer reviews.

San Diego Climate & Seasonal Timing

What San Diego's weather means for scheduling insulation.

Annual precipitation
12.51"
Heating degree days
1,542
Cooling degree days
845
MonthLowHighPrecip
Jan44.3°65.9°2.68"
Feb47°65.1°2.31"
Mar48.8°66.7°2.21"
Apr51.9°69°0.86"
May56.6°70.6°0.2"
Jun59.6°73.6°0.09"
Jul63.6°78.8°0.06"
Aug65°80.9°0.05"
Sep62.8°79.7°0.21"
Oct56.7°75.7°0.76"
Nov49.5°70.4°1.45"
Dec45.2°65.8°1.63"

NOAA station data 0.12 miles from San Diego.

Permits & Regulations in CA

  • Painting jobs of $1,000 or more in California require a CSLB C-33 Painting and Decorating Contractor license
  • Remodeling that spans several trades requires a B General Building Contractor license
  • Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule

License required: CSLB C-33 Painting and Decorating Contractor license (jobs of $1,000 or more)

Sources: www.cslb.ca.gov, www.epa.gov

Insulation FAQs for San Diego

How much does attic insulation cost in San Diego?

Blown-in attic insulation in San Diego typically runs $1691-$3262 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve San Diego?

We track 6 insulation contractors serving San Diego.

Is insulation in San Diego more expensive than average?

Installation labor in San Diego runs about +20.8% versus the national average.

How much insulation does a home in San Diego need?

San Diego sees about 1,542 heating degree days and 845 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with San Diego summers?

Yes -- with summer highs near 81F in San Diego, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.

Do insulation contractors in CA need a license?

In CA, Painting jobs of $1,000 or more in California require a CSLB C-33 Painting and Decorating Contractor license. Adding attic insulation in San Diego rarely needs a permit.

Is spray foam worth it in San Diego?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1691-$3262 gets most San Diego homes the same R-value for less.

How many quotes should I get for insulation in San Diego?

Two or three; with 6 insulation contractors serving San Diego, compare the R-value and depth each quote installs, not just the price.