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TRUSTED BY SAN RAFAEL, CA HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon39
    Verified insulation services reviews

Verified Reviews for Insulation Service pros in San Rafael, CA

*The Angi rating for Insulation Service companies in San Rafael, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

*The HomeAdvisor rating for Insulation Service companies in San Rafael, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.

Last update on August 07, 2023

Top-Rated Insulation pros in San Rafael - Updated Nov 2026

Bay Valley Insulation Inc
4.7(
46
)
Spray Foam Insulation - InstallBatt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade+2 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"The guy checked my house, told us our insulation is good enough and we don't really need to do anything. Thanks for the honesty. I will definitely recommend this guy to my friends."
Additional Photos
1 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for Vortex Insulation, Inc.
Vortex Insulation, Inc.
4.8(
31
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2017

Free estimates

Offers commercial services

"professional and fast. We use this company for close cell insulation. Really great customer service also. I highly recommend them."
Blow in cellulose insulation into the garage walls
Spray foam insulation into the garage ceiling.
Old blow-in fiberglass insulation removal in the a
Response time1 day
85 neighbors recently requested a quote
Recommended by92%of homeowners
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Avatar for Attic kings
Attic kings
5.0(
10
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

Free estimates

Warranties offered

Customers say: True professional

"Attic Kings is a 5 star business. I had my insulation replaced and my home rodent proofed by them 3 years ago. They came out today just to check something for me at no charge.The customer service was and is outstanding. I highly recommend Attic Kings. They are very nice and kind as well."
Additional Photos
Response time5 days
Response rate100%
3 neighbors recently requested a quote
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Avatar for Attic Pros
Attic Pros
4.9(
233
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeInjection Insulation - Install

Serving San Rafael, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Small jobs welcome

"I was looking online for insulation contractors, and found Attic Pros, Chris and his team arrived on time installed brand new attic insulation, cleaned our Crawl space and installed insulation, they took photos before and after. I am very happy with the work was completed defiantly recommend these guys."
Blow-In Attic Insulation
San Jose, CA Attic Insulation Installation
Danville, CA Vapor Barrier Installation
Mill Valley, CA Crawlspace Cleaning
Benicia, CA Attic Cleaning & Insulation

+3137

Response time12 hrs
Response rate94%
146 neighbors recently requested a quote
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Avatar for Coast Building Products
Coast Building Products
4.5(
14
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Credit card accepted

"Cruz helped us understand our options and visited twice to finalize the scope of work. Insulation team was punctual and provided expert craftsmanship. Glad I chose Coast."
Spary foam rooof line
Batt installatoin
Applying Spray Fiam
Response time8 hrs
Response rate100%
28 neighbors recently requested a quote
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Avatar for Atticare Construction
Atticare Construction
4.5(
177
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving San Rafael, CA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"Attic is all clean and insulated now! The team was great!"
Before Atticare Services
After Properly Sealing the Access
After Insulation Installation
Clean and ready for Insulation Installation
After Insulation Installation

+26

Response time2 hrs
Response rate91%
27 neighbors recently requested a quote
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Avatar for Noble Insulation
Noble Insulation
4.6(
21
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Friendly, on time, fast and clean (especially in the age of COVID)"
Closed cell spray foam
Response time2 days
5 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Rywen Insulation Inc
Rywen Insulation Inc
4.9(
6
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving San Rafael, CA and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

Rywen Insulation Inc is a licensed and family-owned company proudly serving the Bay Area. We specialize in high-quality insulation services, rodent proofing, and vapor barrier services that help protect your home or business from energy loss, moisture damage, and unwanted intrusions.\n\nWith a strong focus on long-term solutions, we’re committed to improving indoor comfort, enhancing air quality, and increasing energy efficiency. Our team delivers professional results with attention to detail and care on every project.\n\nContact us today to schedule a free estimate and experience reliable service you can count on.

restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs
restoration of handrail and concrete stairs

+17

Response time2 days
Recommended by16%of homeowners
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Avatar for Ace Insulation, Inc.
Ace Insulation, Inc.
3.5(
30
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or UpgradeSpray Foam Insulation - Install+1 more

Serving San Rafael, CA and surrounding areas

Approved

In business since 2011

Free estimates

Credit card accepted

"Best for spray foam insulation"
Response time2 days
56 neighbors recently requested a quote
Recommended by82%of homeowners
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Avatar for Rywen Insulation Inc
Rywen Insulation Inc
4.5(
1
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving San Rafael, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Rywen Insulation Inc is a licensed and family-owned company proudly serving the Bay Area. We specialize in high-quality insulation services, rodent proofing, and vapor barrier services that help protect your home or business from energy loss, moisture damage, and unwanted intrusions.\n\nWith a strong focus on long-term solutions, we are committed to improving indoor comfort, enhancing air quality, and increasing energy efficiency. Our team delivers professional results with attention to detail and care on every project.\n\nContact us today to schedule a free estimate and experience reliable service you can count on.

Before
After
Before
After
During

+71

9 neighbors recently requested a quote
Recommended by100%of homeowners
Request Quote
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Insulation FAQs, answered by experts

Before starting an insulation project in San Rafael, review local permit requirements early, as approvals can take time. Schedule a home energy audit to identify attic insulation and crawl space priorities. Address any signs of coastal moisture, pest entry, or poor ventilation, which are common in the area. Plan work during the dry season to minimize weather-related setbacks and check for available insulation rebates.

Helpful?

Insulation in San Rafael needs annual checks for moisture, pest intrusion, and attic ventilation issues, especially after rainy winters. Inspect crawl spaces and weatherstripping twice yearly, and promptly repair any damaged vapor barriers or wet insulation. Every few years, schedule a professional energy audit and air leakage test to ensure your attic and wall insulation remain effective in the region’s coastal climate.

Helpful?

In San Rafael, you’ll find several contractor types: full-service energy efficiency experts who handle assessments and upgrades, insulation-only specialists focused on attic and wall insulation, general contractors who include insulation in broader renovations, and HVAC professionals who optimize insulation with system performance. Choose contractors familiar with local codes, insulation rebate programs, and the unique moisture challenges of the coastal climate.

Helpful?

In San Rafael, create a seasonal routine by checking attic insulation for moisture or mold each spring, looking for pest activity and energy loss in summer, reinforcing weatherstripping and wall insulation in fall, and monitoring for drafts or condensation in winter. Every few years, arrange a professional inspection to confirm your home’s R-value and air sealing are effective for the local coastal climate.

Helpful?

In San Rafael, watch for rising energy bills, rooms that stay cold or hot, or HVAC systems running excessively. Visible settling, damp spots, or mold on insulation—especially in older homes or after seismic activity—signal it may need replacement. Insulation installed before modern energy codes, or showing pest or water damage, should be updated to meet current efficiency standards.

Helpful?

The San Rafael, CA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.

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