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Customer Reviews

We had an amazing (yes, I’m serious) experience with Red Diamond Roofing. They did all the work from the big stuff to dealing with our insurance company, inspections, permits, to the little details like helping us with color selection. They were affordable, reliable, trustworthy, and fast. They helped us every step of the way and it was a transparent and easy process from start to finish. Great folks to work with!


When it came time to replace our roof, there were several roofing companies that were recommended to us. After meeting with all the roofing companies recommended we chose Red Diamond Roofing and are very happy we did. Matt was there from beginning to end. What Red Diamond promised they delivered and then some. The crew went about their working efficiently & timely. They did a great job of cleaning up. All in all a great experience and would highly recommend Red Diamond Roofing.

Douglas M.

Red Diamond Roofing is a great company. Our contact person was always available to answer questions. Their customer service is outstanding and handled the paperwork for the insurance company completely. I highly recommend this company.

Claudean C.


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Best Choice BadgeWe at Red Diamond Roofing pride ourselves on upfront and ethical contracting services. As a family-owned and operated business, we believe in passing the savings on to our customers, while still ensuring that they receive the best roofing services possible. Our Roof Repair and property maintenance services are affordable, reliable, and always professional. We don’t just serve Denver, but all of Colorado with superior roofing, siding, and property maintenance services. We treat each project with the utmost respect and attention to detail. We only end our projects when we achieve 100% customer satisfaction.

If you need a new or repaired roof, gutters, siding, or a new exterior paint job, we are here to serve you. We even assist with insurance claims. We are GAF certified, BBB Accredited, Malarkey Emerald Premium Contractor, and an Owens Corning Platinum Preferred Contractor. As a multi-generation family business, we believe that what we do truly matters, and we don’t take our work lightly. We help homeowners and businesses to beautify their premises, protect their loved ones, and contribute to a healthier and more sustainable environment. Contact Red Diamond Roofing today!

Red Diamond Roofing BBB Accredited Business A+ Rating

Owens Corning Roofing Platinum Preferred Contractor

2023 Owens Corning Product Excellence

Malarkey Emerald Premium Contractor


Denver Roofers

Angies List

HomeAdvisor Elite Service Pro - Red Diamond Roofing, Inc.

Why Choose Us For Roofing Services?

Denver Roofing

Great service at great pricesWe don’t believe that great service should have to cost a fortune.

Great Partnerships

Great PartnershipWe don’t just install roofs and gutters. We treat you as a partner, and we work.

A commitment to green Living

A commitment to green livingWe are passionate about our environment, and we use only the most eco-friendly

Massive Savings potential

Massive savings potentialIn addition to providing some of the most reasonable prices in the business, we can help

A finished Product you can be proud of

A finished product you can be proud ofWe always leave the job site cleaner than we found it.

Best Customer Service

The best customer serviceWe truly committed to providing service at a higher level, so always feel free to reach.

what our customers say


Shannon Matthews
Shannon Matthews
February 7, 2023
I actually discovered Alan Valois and Red Diamond Roofing after hiring them as an expert witness in a roofing construction defect case. When hail damaged my own roof and we had an insurance claims, I knew exactly who to contact! They did an excellent job installing our new roof and the clean up was incredible! You couldn't even tell they had been there, no stray nails, trash, cigarette butts, etc. We also had them install gutters and gutter guards and they came back to correct issues with that job immediately after being asked. I would highly recommend them!
Leora Rosenbaum
Leora Rosenbaum
December 15, 2022
We had an excellent experience with Red Diamond Roofing and working with Brian Dewald. Everyone seemed to know their stuff, they were efficient and friendly, and they actually really shined when a problem (a leak) came up months after our roof was replaced. They were very prompt in getting someone out to assess the situation and they put a lot of extra work in to try to fix it (at no extra cost to us). It now seems like their work was not the issue to begin with, and regardless, they continue to check in to see if the leak has recurred. It has not, but if it did I am confident RDR would come back out to look again and do everything in their power to assure our happiness. Brian Dewald, who has been our main contact all along, is especially nice to work with and incredibly responsive and made sure everything was taken care of. Bottom line: we’d definitely recommend RDR to anyone with roofing needs.
kimberly artz
kimberly artz
December 8, 2022
This is a little late but would like to share our positive experience with Brian and Troy with Red Diamond Roofing. First we did reach out to 3 great roofing companies but in the end Red Diamond received our business. They walked us through the entire process, explained everything and the job was finished in a timely manner. They even upgraded our shingle at no extra cost (or at least it was included in their bid). Everyone was great to work with and then the follow up after the job was done was also outstanding. I would absolutely recommend Red Diamond Roofing. Thanks for a job well done. Chet and Kim
Shawna Landers
Shawna Landers
December 8, 2022
I had Red Diamond replace the shingles on the original part of the house and then also put shingles on a new addition. Brian Dewald was wonderful to work with through the whole process. From educating on products, to estimating, to checking in on the project as it was in flight and then ensuring my final satisfaction, it was a smooth process. Brian was also helpful in pointing out the possible need to replace the old 1961 roof deck for stability and protection and went on his own to pick up the OSB to address the need. The roofers were efficient and the clean up was well done. I am very happy with the service and end result.
Ishwar Goyal
Ishwar Goyal
December 8, 2022
I would 100% recommend Red Diamond Roofing. Troy and project manager, Tyler Calomino was fantastic! He was extremely knowledgeable, professional, punctual and patient with me. Red Diamond Roofing did such a fantastic job installing our roof. They walked me through the entire process and explained every step so we knew what to expect. I worked with other contractor before switching to Red Diamond Roofing, they dragged the process for almost a year. I have to deal with a lot of frustration and working with Red Diamond Roofing was piece of cake. They were adaptive to my schedule and installed my roof ahead of promised schedule. I would recommend Red Diamond Roofing to anyone looking to repair or replace their roof.
Veronica Blazewicz
Veronica Blazewicz
December 7, 2022
Red Diamond Roofing replaced our roof, gutters, and downspouts after a hail storm damaged it. They were amazing from start to finish! They showed up on time, were professional, explained the whole process and my options, and answered my questions. When they were finished they cleaned up everything after themselves. This company was referred to me by a friend and I would definitely recommend them to anyone looking for a roofing company as well.
Cindy Sales
Cindy Sales
December 6, 2022
These guys installed a new roof for us 4 years ago. We’re moving and they came back to inspect and verify the roof for us. So kind and professional! We’d use them again and highly recommend them. Thanks, Brian and Troy!
Bryan Younger
Bryan Younger
December 6, 2022
I highly recommend Red Diamond Roofing. From the start of our project Brian Dewald was extremely helpful from the estimate to helping deal with the insurance. The crew came and protected our landscaping. They were prompt and professional. The project was completed in one day. One extremely hot day. They were amazing and we would use them again.
Ross Sibley
Ross Sibley
December 5, 2022
Brian was very responsive and helpful. He worked with us throughout this process. He advocated for us as we appealed the initial denial of our claim. We highly recommend Red Diamond Roofing!
Peter O
Peter O
December 4, 2022
We had Red Diamond replace our hail damaged roof in October of 2021. Our main contact was Brian Dewald but the owner Troy also met with us several times. The whole process was very straight forward and organized. We were not sure if our roof would qualify to be replaced because of hail damage. Brian came out and looked over our roof thoroughly. When the insurance inspector came to look at our roof, he made sure to meet her so he could show her what he found. I think that helped us get the insurance to cover the cost. After that Brian communicated with us regarding all the steps. Red Diamond was very professional in the roof replacement. They put up plastic barriers to protect the porch from removed shingles. I was amazed how fast they completed the job. It has been over a year and no issues which I am happy to report. I would use them again in a heart beat if/when we need our roof replaced again!

We proudly utilize products from these fine manufacturers:

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