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Freschi Air Service Experts
- Inspection
- Informative
- Surge Protector
“The Service Rep's were timely and explained what was being reviewed to afford me the opportunity to make a sound decision on things that had been recommended.”
Best Insulation Contractors in Concord, CA
24 contractors listed · 13 in Concord · 1 open 24/7 · 7 open weekends · 22 rated 4.5+
Data verified October 18, 2026
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Acker Roofing
- Rain
- Quality
- Leak
“He was not the most inexpensive, he was close, but was the most responsive and took the time to earn our trust and was the expert we chose the to do our major reroofing project.”
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Bay Valley Solar Roofing
- Questions
- Product
“They handled all of my misc requests ("haul away the old extra roof tiles on the side of the house", "get rid of the weird fiberglass thing over part of the roof", etc.”
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Cosmic Renovation & Roofing
- Call
- Efficient
- Leak
“What stood out here with Miki , was that even though he knew, his quote was higher, he did not give up on the client, he still followed up and made sure he twitched the numbers to get the job.”
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Bayside Insulation-Construction Inc
“Great business friendly stsff!”
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Cornell Roofing Co
- Couple
“We used them for a new roof a couple of years ago.”
The 24 contractors listed for Concord, CA insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Concord, CA
13 of the 24 contractors we list are based in Concord; the other 11 serve Concord from towns including Oakland (17 mi), Pleasant Hill (4 mi) and Walnut Creek (5 mi). 23 of the contractors on this page have a rating, from 4.2 to 5.0 across 2,734 reviews; 10 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), quality (86%) and responsiveness (82%). 1 is open around the clock; 7 are open on Saturdays and 3 on Sundays. The services the contractors on this page list most often on their websites are commercial roofing (3), residential roofing (3), rodent proofing (3), attic insulation (2) and crawl space cleaning (2). 12 show a license on their websites; 1 lists staff certifications (NATE) and 6 have a BBB rating of A or A+. 14 have ten or more years of experience, the longest 60 years. 1 offers emergency call-outs; 3 offer financing or payment plans; 12 give free estimates; 9 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for 22 of the 24 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
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Enterprise Roofing Service
“Good place to find tiles replacements”
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Pacific Blue Remodeling
- Home Improvement
- Price
“The crew were considerate of the folks at the home and were careful to keep construction mess to a minimum, and they cleaned up each day.”
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Homexperts
- Team
- Communication
- Chose
“I had purchased my home a few months back and was reluctant on having my roof worked on for a while due to the extent and stories I've heard of failed repairs .”
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McHale's Environmental Insulation
- Felt
- Bid
- Walls
“It was fascinating procedure, using small holes in the drywall to blow in some in each stud bay and then sealing up the walls (almost undetectable, though I'll need to texture and re-paint those spots (approx.”
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Painless Painting
“We really couldn't have asked for a better paint job for our five bedroom home, which entailed mostly ceiling beams, hallways, and painting around wood paneling and moldings.”
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Cunningham Construction
“Complete kitchen remodel has been in for two years and I've never had to call him back!”
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Anderson Home Solutions Inc.
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A-1 Guaranteed Heating & Air
- Heater
- Clean
- Insulation
“My air conditioner stopped working, and the first company I called came out and told me there was no way to fix it, and I would have to get a new system.”
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Element Home Solutions
- Crawl Space
- Ducts
- Elements
“I had so many dishonest interactions with other companies through our home repair process that it was a breath of fresh air to see that Eduardo and his team were honest, professional and hard working.”
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Alley Cat
- Crew
- Warranty
- Wire Mesh
“They all worked efficiently, diligently and steadily x4-5 hours cleaning, sealing, setting snap traps, and sanitizing my attic, crawl spaces, and any holes they discovered interiorly and exteriorly.”
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American Attic
- Ducts
- Crawl Space
- Debris
“Juan was very responsive, came out, and explained clearly what they will do (rodent proof the entire house including the attic and place vapor barrier) and how they will do it.”
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HSR Home Service
- Company
- House
- Photos
“I was going to use this company but I canceled because of repairs I needed to have done through my insurance but I definitely will be calling HSR home service to clean my ducts and vents.”
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All Seasons Insulation
- Price
- Efficient
- Company
“Insulation Company, from the estimator, Mark, to the two man crew, Amondo and Joel, that installed the cellulose insulation, containing boric acid/polyborates”
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Master Roofing Company
- Integrity
- Project
- Questions
“What I enjoyed the most was his flexibility as my general contractor made changes to the new roof per city inspector's requirement of adding 4 eyebrow vents.”
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Central Bay Roofing & Restoration
- Call
- Team
- Needs
“I'm an Oakland homeowner and used Central Bay Roofing twice in the past year, once for a complete roof shingle replacement, and once to re-roof the flat top separate building that was pooling water on the property.”
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Berkeley Roof Services
“Leo was site supervisor keep things on time working the crew who all did a great job.”
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East County Glass & Window
- Call
- Shower
- Price
“I have always used them for the big stuff but recently I needed some minor screen repair on a rental out of the area that prompted me to write this review.”
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Apollo Roofing Company
- Crew
- Inspection
- Technician
“! Upon calling to inquire about services, Christine was extremely efficient and was able to schedule an appointment for a "free roof estimate" all within 48 hrs and provided great follow-up”
Insulation Services in Concord, CA Cost Estimates
Minimum cost
$570
Maximum cost
$4169
National Average
$1954
Avg Per Hour Rates
$78
$1226
$2821
Fair price range is based on 451 cost profiles
Why these companies made our list
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