Top Rated Insulation Contractors Serving San Quentin, CA

If you really care about choosing a quality insulation contractor, we’re here for you. Here’s your access to the best insulation contractors serving San Quentin including 94964 and 94974. These insulation specialists provide duct insulation and roof insulation, and they also work on insulation removal, foam board insulation and ceiling insulation. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.

  • Last Updated May 15, 2026
  • 29,008 people sourced companies in Insulation
    2,278 Verified Insulation Customers Surveyed
2,278
29,008
1 of 1
Atticare Construction is a family-owned business specializing in attic and crawl space services since 2012. The company focuses on what matters most i...
Read More

Main Services

Attic & Crawl Space Cleaning
loarrowgo
Insulation
loarrowgo

Additional Services

Attic and Crawl Space Cleanup, Insulation Removal and Replacement, Rodent Proofing, Whole House Fan Installation

Brands

Knauf, Owens Corning

Coverage Areas

the San Francisco Bay Area, Greater Los Angeles, New Jersey

Free Quotes & Consultations
Free Quotes & Consultations
Weekend Hours
Weekend Hours
Free Estimates
Free Estimates
Appointments Available
Appointments Available
  • Quick Connect
Hours CLOSED NOW
License:
CA: 1051462,
NJ: 13VH11753300
Learn how to choose a Insulation and more…

Diamond Certified Insulation Contractors Serve These San Quentin ZIP Codes

94964, 94974

Diamond Certified Insulation Contractors In San Quentin

Diamond Certified insulation contractors serving San Quentin are rated an average of 4.6 out of 5 stars based on 811 reviews of 22 rated insulation contractors.
Diamond Certified insulation contractors in San Quentin Avg. Star Rating.

We make you an expert at choosing a high-quality insulation contractor in the San Quentin area.

For those who love quality local insulation contractors.

Within our Diamond Certified Resource:

You’ll love and refer your friends and family to your new San Quentin area Diamond Certified insulation contractor. They provide expert services, including insulation upgrades, reflective insulation, energy-efficient insulation, pipe insulation, duct insulation, and more.

To qualify for Diamond Certified, each contractor must score Highest in Quality and Helpful Expertise (a 90+ on a 100 scale) and pass all our credential-based ratings. Diamond Certified insulation contractors that serve San Quentin residents include Alcal Specialty Contracting, Inc., and Atticare Construction.

Every Diamond Certified insulation contractor that serves residents in 94964 and 94974 performs various specialties, including vapor barrier installation, radiant barrier insulation, soundproofing insulation, crawl space insulation, and wall insulation.

How to Choose a Quality San Quentin Insulation Contractor for Your Family
  1. Click the name of the contractor to get to their Diamond Certified Company Report page.
  2. Watch their Diamond Certified Video Profile and other videos that we’ve created for you.
  3. Read their verbatim client survey responses and our researched articles.
  4. Get helpful insulation tips if they are a Diamond Certified Expert Contributor.
  5. Call or email them to schedule an appointment.
Become a Diamond Certified Preferred Member and Join Your San Quentin Neighbors

If you love quality local contractors, this is for you. Become a Diamond Certified Preferred Member (always free) and get a double performance guarantee, extra guides and tips, our annual Diamond Certified Directory, and more.

Your Diamond Certified Resource. We make you an expert at choosing.

We make you an expert at choosing local companies by giving you the most accurate ratings, deeply researched company reports and Diamond Certified Guide of all Resource Guides, which cover 70+ industries in the Auto, Home, Health and Personal service categories. Each guide contains 16 key articles that are separated into “Before, During and After the Job” tabs. These are written to guide you through each phase of hiring, starting, managing and ending a job in that specific type of service.

Diamond Certified Resource Compared to Crowd-Sourced Review Sites

Diamond Certified Resource’s ratings of local companies are based on surveys of only verified real customers, so they are the most accurate. This beats crowd-sourced review sites like Yelp, Angi or even Google that are plagued with fake, manipulated, cherry-picked and non-customer reviews, which produce inaccurate and often inflated rating scores.

Diamond Certified Resource’s deeply researched reports of top rated Diamond Certified companies include everything you need to see to be very confident in choosing a top rated local company. Each company report includes detailed quality ratings and scoring, verbatim customer survey responses, a profile video, a company story video, a capabilities table, a photo gallery, researched articles, unique expert contributions from the company’s owner, and more. This beats crowd-sourced review sites that solicit companies to “claim their business listing” and add any type of info to their profiles. This sounds good, but it has led to company profiles that are littered with false claims and incomplete info.

Map of San Quentin, CA

San Quentin was founded in 1852, and today, your 3,567 neighbors enjoy yoga, zoos, ghost tours, seal watching and apple picking. San Quentinians use Diamond Certified insulation contractors for fiberglass insulation, pipe insulation, thermal insulation, reflective insulation, energy-efficient insulation, and more.

Frequently Asked Questions for Insulation in San Quentin, CA
Q: What are clients of Diamond Certified insulation contractors saying about contractors in San Quentin, CA?
A: Verified Atticare Construction Customer, 1 of 593
"They do excellent work. Their employees were extremely polite, worked together efficiently, and cleaned up after all the work was done. They brought all of their own tools. I have never worked with another company we liked so much. They succeeded at what they promised me. We were happy working with them." - Susan C.
All Survey Responses for Atticare Construction
Q: What are some of the most popular brands that Diamond Certified insulation contractors use when working with San Quentin residents?
A: Diamond Certified insulation contractors use top-quality brands like Owens Corning, Greenfiber, GAF, Guardian Building Products and Duro-Last Roofing.
Q: What types of ceiling insulation do insulation contractors offer?
A: Insulation contractors typically offer a variety of wall insulation options, including fiberglass batts, blankets and rolls, spray foam, mineral wool, and cellulose. Fiberglass batts are the most common insulation option, and they come in pre-cut lengths that fit between wall studs. Spray foam insulation is a liquid that is sprayed onto the wall, expanding to fill in all the gaps and creating an airtight seal. Mineral wool and cellulose are two other options, both of which are made from recycled materials and can be installed in walls with minimal disruption to the existing structure.
Q: Can Diamond Certified insulation contractors work with Owens Corning products and similar items so I can get duct insulation in San Quentin?
A: Yes, Diamond Certified insulation contractors can work with Owens Corning products and similar items to provide duct insulation in San Quentin.
Q: What did people search for when they wanted to find the best quality insulation contractors in San Quentin?
A: Rockwool Insulation
Foam Board Insulation
Air Sealing
Foam Board Insulation
Duct Insulation
The Homeowner's Guide to Insulation