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Cooper Roofing
“What sets them apart is that they closely coordinated with the insurance company and made sure that I get the best cover for my roof.”
Best Roofing Contractors near Diamond Bar, CA
We have one company in Diamond Bar on file, and it is on this list, along with 23 from towns including Anaheim (4, 11 mi), Upland (4, 12 mi) and Orange (3, 13 mi).
4 open 24/7 · 15 open weekends · 21 rated 4.5+ · 16 show a license
Data verified October 18, 2026
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J P Roofing
- Estimates
- Price
- Job
“Their prices for re-roofing are very reasonable as I obtained at least 5 other estimates from other companies and their price was the best including the quality of the work.”
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Roof Pro
- Calls
- Questions
- Inspection
“Our biggest challenges were the metal roof distributor who dropped the ball on ordering and not knowing we didn't have plywood at all, which was a large additional expense.”
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Roof Repair Specialist
- Project
- Job
- Estimate
“I had roof damage on a patio shed roof, they provided a good estimate, the crews came on time, completed the job ahead of schedule and provided quality work.”
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Roofing and More
- Communication
- Team
- Question
“I am a business owner and my apartment building needed a shingle work done asap here at the city of Compton,They are extremely fast and I didn't have to wait 3 months.”
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Competition Roofing
- Leaks
- Work
- Job
“From start to finish Bob kept my wife and I informed daily of all progress, the crew cleaned up every day, the crew were all very experienced, very kind and polite.”
Listed for homeowners in and around Diamond Bar, CA, these 24 companies take roofing work. What each one claims about tear-offs, materials and workmanship cover is taken from its own website; ratings and quoted lines come from public reviews.
Area overview: Diamond Bar, CA
The 24 companies on this page are rated from 4.0 to 5.0 across 1,770 reviews; 11 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (86%) and responsiveness (84%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 4 are open around the clock; 15 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are commercial roofing (2), residential roofing (2), roofing (2) and windows (2). 16 show a license on their websites; 1 lists staff certifications (GAF) and 5 have a BBB rating of A or A+. 13 have ten or more years of experience, the longest 64 years. 5 offer emergency call-outs; 8 offer financing or payment plans; 20 give free estimates; 10 are family- or locally-owned and 8 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do roofers listed for Diamond Bar quote at no charge?
Free estimates are stated by 20 of the 24 companies on this page. A free visit is normal for roof work, but it is a sales call as well as an inspection, so ask for the findings in writing with photos of what was seen up there. Get a second look before you commit to a full replacement.
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Guardian Roofs
- Efficient
- Job
- Questions
“At the completion of the work, they were loading their truck and I went inside only to hear noise on the roof; I looked out my window and they were back up sweeping my entire roof and cleaning debris from my gutter covers!”
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Stone Roofing Company
- Quality
- Leak
- Project
“We have used Stone Roofing for over 10 years on many projects and sites; ranging from new build multi-family construction, to new roofing for retail and industrial properties.”
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Horizon Roofing
- Leak
- Job
- Work
“Not only Frank replied quickly and visited to my house to give me an excellent written quote next day, but also he was able to start it few days later.”
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So Cal Remodeling
- Quality
- Job
- Insulation
“When Darren came out to give me a quote, he was very clear in explaining what he thought was the best solution in replacing my old air conditioning system and laid out a few alternatives.”
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Select Home Improvements
- Heat
- Crew
- Roof
“Select Home Improvement, was hired to provide a special coating to my home, I must admit I'm in love with the results, the color is beautiful, Serge and his crew replaced all the dry rott trim where applicable.”
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Roofing Standards
- Leak
- Project
- Job
“My experience with them is customer service attention when needed quickly and responsive, very knowledgeable with recommendation and solutions for any budget, competitive pricing and quality of work is top of their list.”
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T & G Roofing and Solar Company Inc.
- Insurance Company
- Prices
- Project
“They were very respectful with the landscaping and made an extra effort to ensure that wastes generated from roofing activities were removed from the property.”
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Quality Home Improvement
- September
- Company
- Roof
“Patrick is one great sales man my husband and i were very satisfied with how he explaned all the meterals that they will be useing on the new roof he went through every step from start to finish what will go on first and what will go on last along ...”
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Ontario Roofing
- Project
- Solutions
- Job
“Re Home Solutions did a variety of projects for my home including garage insulation, dogie doors, paint, and installed a mini split and a whole house fan.”
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FR Roofing Services
- Tiles
- Winds
- Project
“My house in Claremont needed roofing repairs for years and we put it off because we didn't feel like dealing with the hassle but Joseph and Daniel made it easier than a routine inspection.”
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CAT Exteriors
- System
- Windows
- Product
“The Installation Staff were also very knowledgeable and friendly; informed us in what would take place on that day, which included replacing the duct work as well.”
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West Meridian Roofing Inc
- Fair
- Price
- Crew
“Jeremiah provided me the quote when he said he would, he went out of his way to meet with me and go over the project parameters, he line-itemed additional work that might be needed so I would have a better idea of the cost of different aspects of the...”
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So Cal Contractors & Remodeling
- Price
- Patio
- Company
“RE: SO-CAL CONTRACTORS: COMMENTS: QUALITY, INTEGRITY, RELIABILITY, REASONABLE PRICESCOPE OF PROJECT: (1) Rebuilding the attached second floor deck (400 SQ FT) due to weather damage, (2) Replacing the entire roof fascia boards along the roof lines...”
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All Cities Home Solutions
- Warranty
- Roofing
- Company
“The first interaction was with their sales rep, Dominic, who expertly helped us navigate the roofing process and was very honest about the condition of our roof.”
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CPR Home Solutions
- Price
- Roof
- Project
“CPR did a great job they were here on time every morning they cleaned up before they left I actually was at work every day and I had so much trust in them that they were at my house and with me not being home I'd recommend them anytime I got daily ca...”
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American Highland Roofing
- Home
- Rain
- Leak
“There were great and heard everything we needed to get done to repair our damaged roof from the strong winds on top of the hill, and went the extra mile to find a matching fascia boards cover material like we had since it was old.”
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Advanced Home Energy Solutions
- Price
- Windows
- Project
“The windows are a great add-on to the value of the house and have already shown their efficiency with better insulation and noise reduction than our old windows.”
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Thend Seamless Rain Gutters Orange County
- Industry
- Company
- Team
“Aaron and another team member installed my rain gutters today and not only were the two men professional and knowledgeable but their installation was impeccable.”
Roofing Services in Diamond Bar, CA Cost Estimates
Minimum cost
$1263
Maximum cost
$35770
National Average
$8067
Avg Per Hour Rates
$183
$5464
$10674
Fair price range is based on 386 cost profiles
Why these companies made our list
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Roofing Contractors near Diamond Bar
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