Take a look at our past work!

Certified Inc

We service the Columbia, Chevy Chase, Ellicott City, Germantown, Laurel, Rockville, Timonium, Towson and surrounding areas.  Reach out to us if you’d like a consultation, (301) 970-3725

A family-run company since 1984, Certified Inc. Roofing is revolutionizing the roofing industry. We are committed to helping our clients in keeping their homes secure without having them to go through high-pressure sales tactics or paying outrageous prices.


You can be sure that when you contact Certified Inc. Roofing, you will be getting a team of skilled craftsmen, a team that gives attention to detail and a company that will offer you fair pricing. We take the time to explain what work needs to be done on your house and your options before providing you with a proposal. We will not accept a payment until you are 100% satisfied with our work!


Give us a call today and we’ll show you why you can trust us to provide the exceptional, detailed-oriented roofing services you deserve!


Excellent Craftsmanship Since 1984

  • 5-Star CertainTeed Installer
  • Customer Satisfaction is Our Goal
  • Military and First Responder Discounts


Check out some important pages from our company's website


Read what over 150+ clients have said about our services

Our Work

8715 Bryant Court , Bowie, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Espresso
Misty Waters Way , Savage, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Weathered Wood
12218 Fawn Haven Court , Ellicott City, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Charcoal Black
5011 Apache Street , College Park, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Cobblestone Gray
6604 Moyer Avenue , Baltimore, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Cobblestone Gray

Customer Testimonials

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663 Autumn Crest Cr. , Odenton, MD, US
Certified Inc was very professional from beginning to end with my roof replacement. Tom was able to thoroughly explain my options, answered all my questions, was open and honest with his recommendations, and made the process smooth without any hard sales. Certified's Select ShingleMaster certification gives a plenty of peace of mind knowing the work was done correctly. The contract was clear and specific, providing exactly what work was to be done. The roofing team was quick, efficient, and clea...Read more
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Henry Huang - 5179 King Charles Way , Bethesda, MD, US
The overall experience was good and hassle free.
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Karim Iman - 3210 Farmington Drive , Chevy Chase, MD, US
Great professional service. The crew showed up early and worked late to stay on schedule of 2-day installation. After two rainy weekends, it seems the new roof is doing its job!! Thanks!
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2824 Hardy Ave. , Silver Spring, MD, US
Certified did an outstanding job from their initial estimate to the completion of the job. They were punctual and very prompt in responding to my questions, emails, and calls. I was able to get a top quality shingle at a price that 2 other companies could not match. I was also impressed that Certified, Inc. is a select ShingleMaster for Certain Teed which provides me with an excellent warranty on the shingles and Certified's workmanship. All of their staff from the owner Tom, foreman Javier, the...Read more
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Barb & Les Biesecker - 5523 Oakmont Ave. , Bethesda, MD, US
Hired Certified for a fairly complex roof replacement - one part Ecostar imitation slate, one part Certainteed shingles, one part Flintlastic (low slope roofing). Very professional bidding process. Price came in at low end of my bid range, which was surprising to me because that included an upcharge for the Flintlastic. Note made that this bidder was the only one of three who correctly specced the roof as needing the Flintlastic for the low slope. The actual work process was remarkable - it was ...Read more