Overview
About Us
This commercial contractor is a GAF Factory-Certified Contractor.GAF trains and tests thousands of the best roofers in the country and makes sure they're appropriately licensed and insured so they can offer the best guarantees and warranties.
Customer Reviews

"Very friendly company. Working with them has been a breeze. Incredibly knowledgeable and professional!"
"Anna Cotter at Stone Roofing is one of the most qualified and friendly business professionals I've encountered. We have enjoyed doing business with Anna and Stone Roofing over the years, and have never come back disappointed. Anna is extremely knowledgeable and helps run a reliable company."
"Stone Roofing has been nothing but a great company to work with! They are so professional and strive for perfection in everything they do!"
- "Very friendly company. Working with them has been a breeze. Incredibly knowledgeable and professional!"
- "Anna Cotter at Stone Roofing is one of the most qualified and friendly business professionals I've encountered. We have enjoyed doing business with Anna and Stone Roofing over the years, and have never come back disappointed. Anna is extremely knowledgeable and helps run a reliable company."
- "Stone Roofing has been nothing but a great company to work with! They are so professional and strive for perfection in everything they do!"
- "Stone Roofing has completed multiple jobs for my company and we feel strong about their ability to get the job done and even go above there proposed scope of work. Thank you"
- "Our business relies on quality reliable performance from all of our subcontractors. We know this is critical to our customers and our own reputation in the industry. I have found Stone Roofing of Azusa to be a reputable and very reliable contractor for all our commercial customer needs. Their capabilities are respected by many of our business acquaintances in the Los Angeles Basin from Huey Fong Foods to Queen of the Valley Hospital. We will continue to recommend their services to our customers who need repairs or complete roofing on new and existing commercial structures. Anna Cotter is the professional at Stone Roofing who we rely on to make every job run smoothly from the first call to the completed job. Highly recommended!"
- "Working with Stone Roofing Inc. has always been a pleasure. The staff is wonderful and the company does really care about their employees. I would highly recommend their services, especially because I know that it's a great company to work for."
- "Stone Roofing is a truly excellent company to work with. Their staff is very attentive and quick to respond to questions and needs. They really took the time to communicate effectively with us and everyone we have dealt with has been a total professional."
- "Stone Roofing has always performed excellent work. Stone Roofing has always communicated well and has completed work in a timely fashion. Some of the qualities that we have appreciated all of these years in working with Stone Roofing is that they used good quality materials, they take pride in their work, and their employees are always friendly and professional."
- "Stone Roofing is a good company to work with. Their staff is professional and responsive. The offices staff is responsive to calls and the roofer was professional and had many years of experience. They were able to pinpoint the leak and resolve the issue quickly. When you have roof leak the most valuable qualities are timely responsiveness and quality work and Stone's team exhibited both. I would not hesitate to work with them again."
Awards & Certifications
Asphaltic Roofer
This contractor specializes in installing Asphaltic roofing systems.
Certified Maintenance Professional
This contractor will provide an extensive annual inspection to review the condition of your roof. CMPs have the exclusive ability to offer the WellRoof® Guarantee Extension to a building owner, which extends the Diamond Pledge™ NDL Roof Guarantee by 25% at no extra cost.
Coatings Roofer
This contractor specializes in installing coatings systems.
President's Club
This award is given to the best of the best contractors that have distinguished themselves by meeting stringent requirements in the categories of Performance, Reliability, or Service.
Single-Ply Roofer
This contractor specializes in installing Single-Ply roofing systems.
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