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

1911 Windjammer Way , Gaithersburg, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Moire Black
4221 Pascal Avenue , Baltimore, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Georgetown Gray
3416 Dix Street Northeast , Washington, DC, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Heather Blend
1108 North Main Street , Mount Airy, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Georgetown Gray
6008 Jefferson Heights Drive , Fairmount Heights, MD, US
  • CertainTeed Landmark
  • CertainTeed Landmark: Colonial Slate

Customer Testimonials

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Nick Brown
I rehired this company to install 4 custom doors, replace a window, and replace a sash. WHAT A REGRET. ALL A HEADACHE from nonresponsive and inappropriate folk on sales team and in office, to being lied to multiple times. They installed the wrong sized door, broke into my historic 1908 rowhouse's foundation, when it was supposed to be installed on it with a curb step as a utility door, incorrect hinge colors, wrong branded window that does not match the others on the house, no sash arrived, the...Read more
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Phillip Arcaini
BIZARRE interactions: We were set to install on 8/18/23. After the window of arrival, one person shows up confused on the scope of work. We both, perplexed, wait to see if teams arrive. We call the salesman, he says the entire crew was in an accident and in the hospital. I immediately worried my doors were then damaged and relay that. He then corrects himself and says a workers’ daughter is in the hospital for emergency surgery. Confused and ready for install, I attempt to gain answers and call ...Read more
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Phillip Arcaini
BIZARRE interactions: We were set to install on 8/18/23. After the window of arrival, one person shows up confused on the scope of work. We both, perplexed, wait to see if teams arrive. We call the salesman, he says the entire crew was in an accident and in the hospital. I immediately worried my doors were then damaged and relay that. He then corrects himself and says a workers’ daughter is in the hospital for emergency surgery. Confused and ready for install, I attempt to gain answers and call ...Read more
Reviewer photo
Phillip Arcaini
BIZARRE interactions: We were set to install on 8/18/23. After the window of arrival, one person shows up confused on the scope of work. We both, perplexed, wait to see if teams arrive. We call the salesman, he says the entire crew was in an accident and in the hospital. I immediately worried my doors were then damaged and relay that. He then corrects himself and says a workers’ daughter is in the hospital for emergency surgery. Confused and ready for install, I attempt to gain answers and call ...Read more
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brett m
Can’t say enough great things. Tim was an excellent rep and helped me navigate insurance and the process overall. They were on-time, fast, friendly, did a fantastic job and left everything spotless. They company checked-in on the day of install to make sure things were going smoothly, which they were. First time having to replace our roof so we were somewhat clueless about the process, options and next steps. Certified was patient and helped guide us without any pressure. Highly recommend them...Read more