301.288.5877
Siding Services

Siding is one of the most important aspects of your home’s exterior: it affects curb appeal, energy efficiency, and structural integrity. Certified Inc. will help spruce up your home with beautiful, efficient new siding.

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Gutter Services

Durable, clean gutters are essential to any home. They keep your home protected and prevent water damage. Whether you need new gutters installed or your damaged gutters replaced, count on Certified Inc. for quality gutter installation and replacement services.

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Roofing Services

A great roof not only adds protection to your home, but also aesthetic and market value. Our team provides expert roof maintenance, installation, and replacement. Whether you need a repair or full replacement, we will take good care of the roof over your head.

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Window Services

Windows keep your home protected, provide natural light, and offer significant aesthetic potential. For a cost-effective, energy-efficient solution, consider vinyl windows. Our experienced window installers will help achieve your dream look with whatever window style you desire.

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Trim Services

Why does exterior trim matter? Trim provides a subtle accent that ties your home’s siding, windows, doors, and other structural elements together. We can install, replace, refinish, or restore your trim for an immediate beautification boost to your home.

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SIDING
Residential Gutter Services

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GUTTERS
Residential Gutter Services

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ROOFING
Residential Gutter Services

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WINDOWS
Residential Gutter Services

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TRIM
Residential Gutter Services

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Trusted Roofing Contractors Serving Maryland, Washington, D.C. & Northern Virginia

We are a family owned & operated business. When you choose to work with Certified Inc., you can be confident our home improvement contractors and employees will put years of remodeling and home improvement experience to work for you to transform your house into a home of comfort and beauty.

Providing Residential, Commercial, and Industrial Roofing & Remodeling in Maryland, Virginia & Washington, D.C. for Over 25 Years

Certified Incorporated provides homeowners, businesses, organizations, and commercial contractors with exterior home improvement and remodeling services in Maryland, DC and Northern Virginia. We specialize in:

  • Roofing
  • Siding
  • Gutters
  • Windows
  • Exterior Trim

Certified Incorporated maintains an excellent standing with the Better Business Bureau and is an active member in several local business associations such as the National Roofing Contractors Association. We pride ourselves on maintaining successful partnerships with numerous industry leaders in the Maryland, Washington, DC, and Virginia area. Certified Inc. is a Licensed Contractor in Maryland, Virginia, and Washington, DC.

Roof Replacement in the MD, DC and VA Area

No matter your roofing need, we can help! Whether you need a roof replacement, addition, or installation, we have you covered. We use only first-rate, durable roofing products, so rest assured you’ll receive the highest quality roof for your home.

While damage from natural causes is beyond your control, roof damage can be avoided with proper maintenance. Regardless of your issue, we’ve probably seen it (and fixed it!) before.

Commercial Roofing in MD, DC and VA Area

Our 30 years of roofing service gives us the experience to handle any commercial project, be it replacement, installation, or repair. We specialize in flat roofs for commercial and industrial buildings. Certified Inc. has been recognized by quality roofing materials manufacturers like Certainteed, Firestone, Sarnafil, IB Roof Systems, & Mulehide for our outstanding commitment to quality, training, application and product knowledge.

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The Certified Way
Understanding Our Process
Request a Free Estimate
We are happy to schedule an appointment for your free estimate.

*Please note that we do not do repair work.

Testimonials

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…

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

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

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…

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

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

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

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

Avenel Community Association
Bruce Johnson
WUSA TV
Remodeling Magazine
Mrs. James W.
Madigan, Crofton, MD
Charles F. Mischke
Beltsville, MD
Clarence Scott
Upper Marlboro, MD
Thurman Wright
Rockville, MD 20853
Bill Fisher
Silver Spring, Maryland
Specials
$150OFF
Full Roof Replacement

Cannot be combined with any other offer. Limit one coupon per customer