View Profile
Eastman Roofing & Waterproofing
- Rain
- Job
- Quality
“Eastman roofing is the best in our opinion -- and they have a great roof repair department that repaired one of our other rental roofs, and did a great job.”
Best Insulation Contractors near San Leandro, CA
1 of these contractors is based in San Leandro; the others serve San Leandro from towns including San Jose (33 mi), San Francisco (16 mi) and San Rafael (28 mi).
9 open weekends · 20 rated 4.5+ · 16 show a license
Data verified October 18, 2026
View Profile
Mr. Roofing
- Rain
- Job
- Project Manager
“The guarantee is amazing and has three levels so it won't disapcomp which helped me pay for the complete reroof with gutters and downspouts that I needed.”
View Profile
Attic Bros
- Inspection
- Rodent
- Noises
“They inspected the attic again and assured us that the squirrel didn't gain access to inside my attic, and they secured meshing underneath the roof overhang where we had spotted the squirrel hiding.”
View Profile
All Bay Insulation & Hvac
- Asbestos
- Job
- Heating
“On the day of rodent proofing & removal of old insulation, Noam's crew showed up on time, cleaned out the attic, made it rodent proof, air sealed & sanitized and cleaned the dryer vent.”
View Profile
Los Gatos Roofing
- Estimate
- Gutters
- Product
“Los Gatos roofing was the only place I could get as shake repair/maintenance quote from, they did a partial composite installation which was exactly what I wanted and several other local roofers would not do.”
View Profile
Westshore Roofing
- Inspection
- Gutter
- Quote
“We have zero experience on roofing, Terry explained every detail about what we can do and what are all the options we have with their associated price.”
The 24 contractors listed for San Leandro, 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: San Leandro, CA
The 24 contractors on this page are rated from 4.1 to 5.0 across 1,586 reviews; 10 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (90%), responsiveness (82%) and quality (81%). The topics that come up most in reviews of the contractors on this page are "price", "communication" and "estimates". 6 are open on Saturdays and 4 on Sundays. The services the contractors on this page list most often on their websites are air duct cleaning (2), attic insulation (2) and roof maintenance (2). 16 show a license on their websites; 2 list staff certifications (GAF) and 6 have a BBB rating of A or A+. Domain records put 16 websites of the contractors on this page at ten or more years old; the oldest dates from 1998. 5 offer financing or payment plans; 14 give free estimates; 8 are family- or locally-owned and 1 lists 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 all 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.
View Profile
Hvac Gurus
- Attic
- Insulation
- Walls
“It had two symptoms: it would shut itself off and restart several times while heating toward the target temperature; and it would sometimes simply stop, and have to be reset by turning the furnace off and on again.”
View Profile
Sandium Heating and Air Conditioning
- Mitsubishi
- Furnace
- Thermostat
“I made the mistake of listening to my GC and using his HVAC vendor pre-renovation to install a Mitsubishi heat pump and they botched the job worse than I could have ever imagined.”
View Profile
Ace Roofing
- Work
- Job
- Inspection
“John is an intelligent and quirky guy who really knows home building which is important in installing and repairing anything because it can impact other areas of your home.”
View Profile
Roofs By Reveille
- Project
- Quality
- Quote
“Roofs by Reveille delivered amazing customer service when it came to responding to our request for a quote and then following up with performing roof work on a house we had recently purchased.”
View Profile
Trio Roofers
- Project Manager
- Leak
- Pictures
“It was hands down the most professional company we got to review, who put a lot of work into preparing our quote and answering tons of extra questions we had, they also gave us a great deal and made it all affordable.”
View Profile
Attic Renew 360
- House
- Team
- Fiberglass
“I've been wanting to upgrade my ducting system for a long time and now thanks to Simon and he's hardworking crew of Attic Renew 360 my House is more energy efficient.”
View Profile
USA Spray Me Spray Foam Insulation Contractor
- Roof
- Price
- Materials
“Last fall, we made the decision to repair and update our house, and USA Spray Me did an exceptional job installing floor, walls, and garage insulation.”
View Profile
Magnum Drywall
“Does the best company in California”
View Profile
Just Leaks Inc
“They performed excellent work on addressing the issues and extending the life of the roof of our new building.”
View Profile
Ideal Attic Insulation Inc.
- Communication
- Company
- Sanitation
“My mom noticed some areas that needed a bit of additional work outside our original scope of work, so Jorge came back the next day on his day off to do it for free.”
View Profile
R E Roofing & Construction Inc.
- Area
- Team
- Work Ethics
“A massive thunderstorm with strong winds hit San Jose 5 days ago and my roof started to leak with drips coming through our lighting fixture on my storage room.”
View Profile
Ken Cooper Roofing
- Communication
- Team
- Leaks
“We have had the gutters and downspouts on our house replaced twice in 25 + years we have been here and they have never been able to handle even 2-3 inches of rain.”
View Profile
Clean Roofing
- Communication
- Job
- Team
“The roof is completely sealed with a two inch installation and we have already noticed the difference with temperature in the house as the house is a lot warmer.”
View Profile
Andy's Roofing Company
- Flat Roof
- Quality
- Questions
“Bill and his team thoroughly inspected, evaluated and provided a photo backed quote of the roof condition and sources of leaks in our commercial building.”
View Profile
West Coast Sound Solutions
- Work From Home
- Project
- Studio
“Stephen guided me in the right direction in terms of acoustic panels, diffusor panels & rugs with padding saving me from spending unnecessary thousand's of dollars at other places.”
View Profile
McLeran Roofing
- Leak
“They came the very next morning to fix it and sent us photos of what happened and the new repair.”
View Profile
Excelsior Roofing Co.
- Addition
“They have solved for me a number of roofing issues left by other contractors - leaky skylights, bad flashing, caulking used instead of flashing, and so on.”
View Profile
American Eagle Roofing & Sheetmetal Inc.
“He walked me through the everything and I got a great price in the end.”
Insulation Services in San Leandro, CA Cost Estimates
Minimum cost
$548
Maximum cost
$4008
National Average
$1878
Avg Per Hour Rates
$75
$1179
$2712
Average price range is based on 416 cost profiles
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
