Best Insulation Contractors in Castro Valley, CA

The highest-rated Spray Foam, Fiberglass & Cellulose Insulation companies out of 351 vetted & reviewed in the Castro Valley area.

Wonderlin Roofing Systems

Wonderlin Roofing Systems

(6)
Roofing Inspections, DRY ROT Repair, Attic Insulation
“The owner and his son came and did my neighbor and my roofs. The employees and owner are helpful and very nice. They're very decent with keeping things organized and cleaned up. The work looks very well done and they were quite helpful answering all ...”
Accepts All Major Credit Cards
Family Business
In Business Since 1997
Licensed, BBB Rating: A+
18812 Lenross Ct, Castro Valley, CA
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Dura-Foam Roofing & Solar Center

Dura-Foam Roofing & Solar Center

(29)
Photo Galleries, Projects Maps, Recoating
“From beginning to end of the project, Dura-Foam was professional, precise, and through. UPDATE: Two years later and the difference with the Durafoam roof is AMAZING! Our utility bill is lower, the drafts are gone, and the house stays so warm in wi...”
Free Initial Consultation
In Business Since 1998
Transparent Fees & Pricing
Serving Castro Valley Area
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Rodent Proofing & Insulation Removal

Rodent Proofing & Insulation Removal

(20)
Pest Control
“Excllent and professional might cost a few more dollars but certainly worth it . They give a five year guarantee which is great. And even if you sell the house the guarantee goes with it. Good point for future buyer .! I would definately recommend t...”
Accepts All Major Credit Cards
Family Business
In Business Since 2013
CSLB #1025592
Serving Castro Valley Area
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Pro Attic Restoration

Pro Attic Restoration

(10)
Insulation Removal, Air Duct Cleaning & Repair, Rodent Proofing
“Air conditioning installation was so fast and it works amazing. They did an awesome job at a great price and were very accommodating and informative along the way. I would highly recommend this company.”
Emergency Services
In Business Since 2016
Licensed
Serving Castro Valley Area
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A Better Roofing Company

A Better Roofing Company

(2)
Rain Gutters
“The owner Jon is seriously a super hero. We are renovating a neglected family member's home that looked like a man sized cannon ball fell through the roof! Maybe the worst roof ever. Tried getting quotes from 10 different companies this past summer ...”
Accepts No credit cards
In Business Since 2006
Licensed, BBB Rating: A+
Free Initial Consultation
Serving Castro Valley Area
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Insulation Alliance

Insulation Alliance

(20)
Crawl Space Services, A Whole House Fan, Attic, Wall, Crawl Space Insulation
“El and Umar are serious pros. They're kind, patient, and it's clearly important to them that they do high-quality work. At our home they advised me on the best way to do sound insulation for a wall between two bedrooms -- which absolutely checked out...”
In Business Since 2020
Serving Castro Valley Area
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Attic Pablo Insulation Services Oakland

Attic Pablo Insulation Services Oakland

(2)
Gutter Cleaning, Radiant Barrier, Attic Insulation Installation and Replacement
“Pedro was very responsive and communicative throughout the whole process. They came on a day when my boyfriend and I were in and out of meetings, but they were so patient with us and worked to make sure they weren't disruptive. They vacuumed up the d...”
In Business Since 2020
Emergency Services
Serving Castro Valley Area
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Pacific Foam

Pacific Foam

(1)
“Tell David, Nick sent you!”
In Business Since 2007
Serving Castro Valley Area
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Vortex Insulation

Vortex Insulation

(4)
Insulation
“Vortex was quick to respond and provide me with an estimate for insulation work at my home in San Francisco. The team was on the job quick and the work done professionally. I would recommend them to anyone with insulation work!”
Accepts All Major Credit Cards
In Business Since 2021
Licensed
Family Business
Serving Castro Valley Area
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Attic Insulation Removal Palo Alto

Attic Insulation Removal Palo Alto

(3)
“A friend recommended them to me and I was very pleased with their service. He also saved a lot on his energy. You should explore all possibilities.”
Emergency Services
In Business Since 2020
Licensed
Serving Castro Valley Area
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Castro Valley Roofing Pros

Castro Valley Roofing Pros

(2)
“There is no comparison to this company. Their response time was excellent, and they ended up getting my roof done in three days rather than the five I was told originally. Are efficient, professional, and quick. Anybody looking for a new roof should ...”
Free Initial Consultation
In Business Since 2020
Emergency Services
Family Business
Serving Castro Valley Area
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Canyon Insulation Inc

Canyon Insulation Inc

(1)
“Good honest people that work hard”
In Business Since 2017
Serving Castro Valley Area
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Attic Fix Pro

Attic Fix Pro

(1)
“Very happy with the insulation install. The entire process went smoothly.”
Serving Castro Valley Area
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Insulation Services in Castro Valley, CA Cost Estimates

Minimum cost
$518
Maximum cost
$3787
National Average
$1775
Avg Per Hour Rates
$71
$1114
$2562
Fair price range is based on 401 cost profiles
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Average Cost $1775
Minimum cost $518
Maximum cost $3787
Avg Per Hour Rates $71

Typical range $1114 to $2562 is based on 401 cost profiles.

Why these companies made our list

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