Top Insulation Companies in Santa Rosa
4.ALCAL Specialty Contracting Santa Rosa - Home Service Division
3.8★ (5 reviews)
3.8★ from 5 reviews
6.North Bay Insulation
Insulation Cost in Santa Rosa
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Santa Rosa |
|---|---|
| Attic blown-in insulation | $1,861–$3,588/job |
| Attic spray foam | $3,987–$7,974/job |
Insulation prices in Santa Rosa run about 33% 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 Santa Rosa, rated 4.5★ on average across 121 customer reviews.
Santa Rosa Climate & Seasonal Timing
What Santa Rosa's weather means for scheduling insulation.
- Last spring frost
- February 13
- First fall frost
- December 2
- Annual precipitation
- 32.2"
- Heating degree days
- 2,567
- Cooling degree days
- 459
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 39.2° | 59° | 5.93" |
| Feb | 41.3° | 63.2° | 6.02" |
| Mar | 43° | 66.6° | 4.53" |
| Apr | 44.8° | 70.4° | 1.82" |
| May | 48.3° | 74.5° | 1.28" |
| Jun | 51.7° | 80.1° | 0.23" |
| Jul | 52.4° | 82.2° | 0.01" |
| Aug | 52.6° | 82.8° | 0.07" |
| Sep | 51.5° | 83.2° | 0.35" |
| Oct | 48.3° | 77.9° | 1.73" |
| Nov | 42.8° | 66.9° | 4.04" |
| Dec | 38.9° | 59° | 6.19" |
NOAA station data 0.79 miles from Santa Rosa.
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 Santa Rosa
How much does attic insulation cost in Santa Rosa?
Blown-in attic insulation in Santa Rosa typically runs $1861-$3588 for a 1,000 square foot attic; spray foam costs two to three times more.
How many insulation contractors serve Santa Rosa?
We track 6 insulation contractors serving Santa Rosa.
Is insulation in Santa Rosa more expensive than average?
Installation labor in Santa Rosa runs about +32.9% versus the national average.
How much insulation does a home in Santa Rosa need?
Santa Rosa sees about 2,567 heating degree days and 459 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.
Does insulation help with Santa Rosa summers?
Yes -- with summer highs near 83F in Santa Rosa, 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 Santa Rosa rarely needs a permit.
Is spray foam worth it in Santa Rosa?
Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1861-$3588 gets most Santa Rosa homes the same R-value for less.
How many quotes should I get for insulation in Santa Rosa?
Two or three; with 6 insulation contractors serving Santa Rosa, compare the R-value and depth each quote installs, not just the price.
Explore nearby
Insulation in nearby cities
Other services in Santa Rosa
- Fence Installation in Santa Rosa
- Chimney Sweep & Repair in Santa Rosa
- Siding in Santa Rosa
- Appliance Repair in Santa Rosa
- Generator Installation in Santa Rosa
- Bathroom Remodeling in Santa Rosa
- Foundation Repair & Waterproofing in Santa Rosa
- Locksmith in Santa Rosa
- Flooring Installation in Santa Rosa
- Moving in Santa Rosa
- Drywall Repair in Santa Rosa
- House Cleaning in Santa Rosa
- Solar Installation in Santa Rosa
- Air Duct & Dryer Vent Cleaning in Santa Rosa
- Garage Door Repair in Santa Rosa
- Water Heater Repair & Replacement in Santa Rosa
- Water Softeners & Filtration in Santa Rosa
- Security & Smart Home Installation in Santa Rosa
- Concrete, Driveways & Patios in Santa Rosa
- Tree Service in Santa Rosa
- Kitchen Remodeling in Santa Rosa
- Painting in Santa Rosa
- Window Cleaning in Santa Rosa
- Electrical in Santa Rosa
- Roofing in Santa Rosa
- Junk Removal in Santa Rosa
- Pressure Washing in Santa Rosa
- Window Replacement in Santa Rosa
- Plumbing in Santa Rosa
- Lawn Care in Santa Rosa
- Gutter Cleaning in Santa Rosa
- Pest Control in Santa Rosa
- Landscaping in Santa Rosa
- Carpet & Upholstery Cleaning in Santa Rosa
- Handyman in Santa Rosa
- HVAC Repair in Santa Rosa
- Drain Cleaning & Sewer Line in Santa Rosa