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Find Flat, foam, or single ply roofing installers and replacers in Diamond Bar

Avatar for Hoyt Roofs, Inc
Hoyt Roofs, Inc
4.3(
131
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"We are giving Hoyt Roofing a 5 Star rating, because of the excellent job they did on the installation of our new roof. The whole process only took four days and the workers went over and above to keep us informed of the progress and maintaining a clean work area. We were impressed from the initial meeting where we discussed and deciding on the terms and conditions to completion of the job. They were not pushy or try to upsell their products. We highly recommend this company to anyone who needs a new roof."
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+8

Response time1 day
14 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Federal Building & Roofing
Federal Building & Roofing
4.8(
81
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1979

Free estimates

Warranties offered

"They replaced cracked tiles, and replaced the underlayment on leaking area with good rubberized material. Reset a lot of tiles that just moved from the wind. Sealed around all vent pipes. They done more than I expected."
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Composition Roofing
Tile Roof

+2

5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Northwood Roofing
Northwood Roofing
4.6(
36
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"I only hired his company to place a plastic tarp over my roof for temporary protection. Overpriced, but needed for emergency before the rain."
Response time1 day
5 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Clear View Roofing & Construction
Clear View Roofing & Construction
5.0(
109
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"So grateful to Clearview Roofing and Kristine for helping my husband and I with our roofing project. We were definitely in need of a replacement especially with this random weather we’re having here in LA. She was very easy to contact and get ahold of, and more importantly was willing to help with any questions we had. Never once felt like a rushed phone call or any aggression. She was very professional and thorough with it all. I Highly recommend Clearview Roofing!"
Hard Working Crew Member
Owens Corning 50 Yr. Roof
Owens Corning 50 Yr. Roof
Owens Corning 50 YR System
Owens Corning 50 Yr. Roof

+7

Response time4 hrs
Response rate98%
716 neighbors recently requested a quote
Avatar for Roofing Angels
Roofing Angels
5.0(
17
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Our experience with Roofing Angels was second to none! We were dreading the thought of replacing our roof, thinking it would be a stressful, drawn-out process, but Daniel and his team made it completely hassle-free. From day one, the communication was excellent. Daniel kept us updated throughout, ensuring that we knew what to expect. The crew was professional, polite, and worked incredibly efficiently. They completed the entire roof replacement in a timely manner, staying on schedule despite some unexpected weather delays. What really stood out was their attention to detail. They didn’t cut corners and ensured every aspect of the installation was done with care. They also did an amazing job cleaning up—I was worried about finding stray nails in my yard, but they left the property spotless. The price was competitive, and the quality of their work speaks for itself. I would 100% recommend Roofing Angels to anyone needing a new roof."
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+8

Response time9 hrs
Response rate99%
17 neighbors recently requested a quote
Avatar for JORDAN ROOF COMPANY
JORDAN ROOF COMPANY
4.7(
124
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Bill came over to my Mom's house and did a complete inspection of the roof. My Mom was concerned that she might need a new roof before the rains come.  Bill was so nice and honest with his discussion with my Mom and me.  He said that she had at least another 10 to 15 years of life left on her roof.  I asked if I could pay him for his time and he said no thanks.  
I have so much respect and appreciation for Bill and Jordan roofing, that when either I or my family needs a roof, I will use them !!
And I will recommend them to my friends !!
"
Commercial
Residential
Residential
8 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Home Renew 360
Home Renew 360
4.7(
78
)

Serving Diamond Bar, CA and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Warranties offered

"We loved working with this company. We had a multi-faceted project, and every single crew was professional and courteous (even going out of their way to give our neighbors a heads up about noise or debris). They were on-time, on-budget, and excellent communicators. Guy and Adam specifically went above and beyond to make sure every minor detail was accounted for. There were a few bumps in the road (we have an old house!) -- and they came to the rescue on multiple occasions, even on holidays. We will definitely work with them again, and cannot recommend enough!"
Roof in Huntington Beach
Asphalt Shingle Roof
Flat roof
Master Bathroom
Exterior Paint

+173

Response time8 hrs
Response rate99%
76 neighbors recently requested a quote
Avatar for Apollo Roofing Company Los Angeles
Apollo Roofing Company Los Angeles
4.9(
28
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

Apollo Building and Roofing Group Inc. is your one stop shop for all of your residential and commercial roofing needs! We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. Give us a call today!

BBB A+ Rating
GAF Gold Elite
GAF Master Elite
GAF Solar Shingles
Google 5 Star Rating

+59

32 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Platinum Roofing and Retro-Fit
Platinum Roofing and Retro-Fit
4.9(
33
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Hiring them for my flat roof replacement was a total win. They were so on the ball, always there when I needed them. And let me tell you, their crew? Top-notch. They didn't just replace my roof; they gave me peace of mind. Now, I've got a roof I can trust, thanks to you guys!"
Before
Before
Before
During
During

+37

Response time8 hrs
7 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Pro Vision COL Roofing, Inc.
Pro Vision COL Roofing, Inc.
5.0(
12
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"PVC team installed a new roof on our house June 2024. Their pricing was best value of all firms contacted and I felt comfortable working with them. They got the job done on time, actually a half day sooner. Our neighbors notice how well the guys worked, didn’t waste time. Quality of workmanship appears very good. I’m pleased with results, more importantly my wife happy, too. Jaime and the team at PVC are a solid family run business. -MS"
21434 Osborne St
21434 Osborne St
21434 Osborne St
291 N Willow Ave
291 N Willow Ave

+20

Response time2 days
Recommended by90%of homeowners
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Showing 1-10 of 329
FAQs for flat, foam, or single ply roofing installation and replacement projects in Diamond Bar, CA

Many roofing pros point to PVC as the top performer on flat roofs thanks to its tough seams and long-term waterproofing. A properly installed PVC membrane can last 30 years or more, resisting ponding water and harsh weather with ease. You will pay more up front than you would for EPDM, but the added durability often translates into fewer repairs and a lower cost per year of service.

Yes, a rubber roof is an environmentally friendly choice. Most rubber membranes contain recycled content and can reflect heat, which helps trim cooling bills in hot weather. Manufacturing has a lighter footprint than many traditional materials, and the long lifespan means fewer tear-offs headed to the landfill. If sustainability is a priority, ask your roofer about brands that carry third-party eco-certifications and confirm they meet local environmental standards.

The Diamond Bar, CA homeowners’ guide to flat, foam, or single ply roofing installations and replacements

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