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Insulation in San Francisco, CA

Compare 6 local insulation pros. Typical service: $2061–$3974.

Top Insulation Companies in San Francisco

  1. 1.USA Spray Me Spray Foam Insulation Contractor

    5.0★ (77 reviews)

    5.0★ from 77 reviews

    +14154839732Website

  2. 2.Juniper Insulation

    5.0★ (31 reviews)

    5.0★ from 31 reviews

    +14156346245Website

  3. 3.Gold attic insulation san Francisco

    5.0★ (1 reviews)

    5.0★ from 1 reviews

    +14156125297

  4. 4.insulation bay

    +14156196886

  5. 5.king Attic insulation

    +14083510747

  6. 6.bay area insulation

    +14159431616

Insulation Cost in San Francisco

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

ServiceTypical range in San Francisco
Attic blown-in insulation$2,061–$3,974/job
Attic spray foam$4,416–$8,832/job

Insulation prices in San Francisco run about 47% 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 Francisco, rated 5.0★ on average across 109 customer reviews.

San Francisco Climate & Seasonal Timing

What San Francisco's weather means for scheduling insulation.

Annual precipitation
20.68"
Heating degree days
3,564
Cooling degree days
19
MonthLowHighPrecip
Jan45°56.6°4.18"
Feb46.5°58.6°4.1"
Mar47.5°59°2.63"
Apr48.8°59.1°1.18"
May50.6°59.5°0.64"
Jun52.5°60.8°0.21"
Jul54°61.5°0.01"
Aug55.3°62.8°0.05"
Sep54.8°63.8°0.1"
Oct52.9°64.5°1.06"
Nov48.8°61.6°2.55"
Dec45.3°56.8°3.97"

NOAA station data 28.8 miles from San Francisco.

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 Francisco

How much does attic insulation cost in San Francisco?

Blown-in attic insulation in San Francisco typically runs $2061-$3974 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve San Francisco?

We track 6 insulation contractors serving San Francisco.

Is insulation in San Francisco more expensive than average?

Installation labor in San Francisco runs about +47.2% versus the national average.

How much insulation does a home in San Francisco need?

San Francisco sees about 3,564 heating degree days and 19 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with San Francisco summers?

Yes -- with summer highs near 65F in San Francisco, 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 Francisco rarely needs a permit.

Is spray foam worth it in San Francisco?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $2061-$3974 gets most San Francisco homes the same R-value for less.

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

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