Maryland: 301.854.2764 Virginia: 703.752.6121

Residential Roofing Services

Let Certified Inc. be your first choice when it comes to this large project.

No matter what type of roofing need you have, we can help! Roof damage can result from a number of factors, including weather, fires and/or lack of maintenance. While wind, weather and fire damage is beyond your control, roof damage can be avoided with proper maintenance. No matter what your issue is, we’ve probably seen (and fixed it) before! So, when you need a roofer or have a roof related issue, call Certified Inc. We’re your roof replacement specialists in Maryland, Washington, DC and Northern Virginia!

Whether you need a your roof replacement, an addition roof installed, or a new construction roof installed, we can help. We use only first-rate, durable roofing products, so rest assured you’ll receive the highest quality roof for your home.

  • Asphalt Shingles
  • Cedar Shakes
  • Flat Roofing

From the initial project meeting with us to the final installation by the crew this was as smooth and professional experience I have had with…

-M Frank - Angie's List "A" Rating

Tom at Certified was professional and helpful. He gave us the time and attention we needed. Job was done well and looks great. Price was…

-Kendall Morton - Angie's List "A" Rating

Tom was extremely nice and easy to work with. He promptly came out to give us an estimate and gave us some great recommendations. His…

-Kristin Baxter - Angie's List "A" Rating

Because of the March 2nd 2018 storm, our roof had lots of broken shingles. So I had the roof inspected and found out that entire…

-Sam Vasa - Angie's List "A" Rating

Repairs went smoothly and results looks great. Certified actually was able to schedule and complete the work before the original estimated date! This is the…

-Jeff Coriale - Angie's List "A" Rating

My roof was wind damaged after the March 2018 storm. I called Certified and a number of other contractors for an inspection and estimate. Turns…

-Melanie Watson - Angie's List "A" Rating

I am very, very pleased. Juan Carlos arrived on time and went right to work. The job was completed on time and the yard was…

-Alma Pryor - Angie's List "A" Rating

The Certified team did a great job on the roof, and the clean up was excellent. They arrived on time and completed the work in…

-Debora Mahoney - Angie's List "A" Rating

Arrived on time, actually scheduled earlier than expected, completed fast. Workers were prompt, energetic, and courteous. Cost was competitive, middle of the road, but you…

-Justin Miller - Angie's List "A" Rating

Impressive performance from start to finish. Made initial contact after viewing Angies List reviews. Diana, (very efficient and personable throughout the process) took my information…

-Don Chinn - Angie's List "A" Rating

Very well. Tom is very responsive and informed. Workman came on time and were very polite. The back-office (shout out to Jody) is great.

-Neil Stroul - Angie's List "A" Rating

I called and they said to not let anyone else touch the roof or it would void the warranty. They came and inspected the roof.…

-Deborah Cole - Angie's List "A" Rating

Very professional. There some disconnects with schedule, but they were quickly resolved. Finished the job in a day. The crew that did the job was…

-Richard Evert - Angie's List "A" Rating

It could not have been better. I obtained many estimates for my roof replacement. I decided on Certified because of the down to earth manner…

-Stan Dubin - Angie's List "A" Rating

Two weeks after moving into a new home, we discovered, after a heavy rain, that we had a leak in an older flat roof over…

-Julia Livshin - Angie's List "A" Rating

No complaints. Tom provided background about the company, explained the process, and provided upgrade options. All of Certified's claims checked them out with CertainTeed, Angie's…

-Brian Matusz - Angie's List "A" Rating

Certified Inc was very professional and I do recommend them., Tom the owner conducted a thorough inspection and provided an estimate that included all of…

-James Hogle - Angie's List "A" Rating

The reason I picked Certified was twofold: 1. Because they were going to do everything I wanted done and 2. because I felt they had…

-Carl Girard - Angie's List "A" Rating

From start to finish, the service I received was exceptional! The estimate was fair and competitive with 3 other estimates. The roofers arrived promptly at…

-Kelly Buchanan - Angie's List "A" Rating

Certified was recommended to me by a neighbor who was very happy with the job they did. I got three estimates from different companies and…

-Nell Stewart - Angie's List "A" Rating

Certified Inc is a terrific company to work with--from prompt inspection of work to be performed, quick and reasonable estimate and then a very competent…

-Andrea Wade - Angie's List "A" Rating

In a word, our experience was "FANTASTIC." First, the PEOPLE: Tom (the owner) listened carefully to my concerns about our old roof; gave it a…

-Steve Peck - Angie's List "A" Rating

Certified did a great job. It was completed in 1-1/2 days. The crew worked diligently and cleaned up after the job was done. As requested,…

-Elsa Brown - Angie's List "A" Rating

As I said before, I would definitely hire again!!! But I only have on roof!! 🙂 I don't even know where to begin to describe…

-Patricia Sader - Angie's List "A" Rating

The work was done in a timely, professional way. The company left our property clean of debris, communicated consistently as to arrival and departures and…

-Dorothy Brown - Angie's List "A" Rating

Finding a good, reliable roofing company without the high sales pressure or trying to push a particular product was a challenge, until I met with…

-Kim Law - Angie's List "A" Rating

We have a very complicated roof for starters. We had a full roof replacement 2 years ago performed by Certified. The one area of the…

-Emily Luna - Angie's List "A" Rating

Certified Inc. replaced our roof shingles and soffits. The work was done efficiently and on schedule. The installers were professional, polite, friendly and mindful of…

-Michael Rilee - Angie's List "A" Rating

The repair went very smoothly. The repairman had suggested two separate course of action choices. We chose the above-referenced fix since it was simpler while…

-Bernard Lust - Angie's List "A" Rating

Crew was professional, fast and efficient. Price was excellent. I recommend this company for any roofing work you may need. Owner/estimator was courteous and explained…

-Becky Fredericks - Angie's List "A" Rating

Certified did the job in a matter of weeks, rather than months later as proposed by all of the other estimators we dealt with. This…

-Jeanne Chiang - Angie's List "A" Rating

The whole process was smooth. Tom, the owner, came out personally to do the quote, which was very competitive when compared to other companies in…

-Jared Noetzel - Angie's List "A" Rating

Certified was great- from communications with the office to performance of the work. I will definitely use Certified again.

-Kirsten Keating - Angie's List "A" Rating

My great looking roof was done two years ago by Certified Inc. They recently completed my house Siding installation that looks wonderful with the roof.…

-Christine Gooding - Angie's List "A" Rating

Certified replaced the roof on my home. Tom was professional and very well prepared when he came to my home. He brought the job foreman…

-Berry Benesch - Angie's List "A" Rating

The work went very smoothly. It was delayed by 2 days from the original schedule date because of rain, but I was notified immediately. Customer…

-Noreen Lopez - Angie's List "A" Rating

We received 5 estimates from roofers and Certified Inc not only came in at the second best price, but was the most punctual, responsive and…

-Jason Andrews - Angie's List "A" Rating

I met with Tom (owner) after meeting with several other roofing companies. He walked me through the CertainTeed product line and addressed all of my…

-James Watson - Angie's List "A" Rating

This is my second time working with Certified on a major whole house renovation. As a detail-oriented customer, I rely on Tom Keehn and his…

-Edward Hammerman - Angie's List "A" Rating

Outstanding, certified was extremely helpful in providing us a detailed quote and explaining our options. Once we decided to go for it, they had us…

-Karly Satkowiak - Angie's List "A" Rating

I was very pleased with my experience with Certified and would highly recommend them to others. Certified was one of four roofing companies I've had…

-Michael Torrisi - Angie's List "A" Rating

We thank you once again for your hard work and dedication to this project. We all look forward to working with you again on future…

-Avenel Community Association -

Dear Certified, . . . Your salesmanship was excellent, and your work crew was extremely pleasant and efficient.

-Bruce Johnson - WUSA TV

Certified Inc. is ranked in the "Top 1,000" home improvement companies by Remodeling Magazine, February 1998.

-Remodeling Magazine -

Dear Certified Inc., Jim and I wanted to thank you personally for the excellent work your company performed for us recently. The new roof is…

-Mrs. James W. - Madigan, Crofton, MD

Dear Certified, We are pleased with everything about the roof—it looks super, and we thank you for a very complete job, well done.

-Charles F. Mischke - Beltsville, MD

Dear Certified Inc., We were very pleased with our new roof. I would recommend your company very highly to others.

-Clarence Scott - Upper Marlboro, MD

The level of service provided by the staff of Certified, Inc. was exceptional...

-Thurman Wright - Rockville, MD 20853

...a job well done at the Four Corners Office Park.

-Bill Fisher - Silver Spring, Maryland

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*Please note that we do not do repair work.
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