301.476.0103
Siding Services

One of the most important aspects of your home’s exterior is the siding. It affects curb appeal, energy efficiency, and structural integrity. Could now be the right time to install new siding? If so, choose Certified Inc. for the job.

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Gutter Services

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

Our team is proud to provide homeowners and business owners with exterior home and building improvement services, including professional roofing installation and replacement!

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Window Services

For a cost-effective, energy-efficient solution, consider vinyl windows installed by our experienced window installers.

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Trim Services

Give attention to the decorative exterior trim, which provides a subtle accent that ties your home’s siding, windows, doors, and other structural elements together.

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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, DC & 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 & 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, Washington, DC & Virginia for Over 25 Years

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

  • Roofing
  • Siding
  • Gutters
  • Windows
  • Exterior Trim

We are a family owned & operated business. When you choose to work with Certified Inc., you can be confident our home improvement contractors & 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.

Certified Inc. maintains an excellent standing with the Better Business Bureau, is an active member in several local business associations and maintains successful partnerships with numerous industry leaders in the Maryland, Washington, DC and Virginia area. Certified Incorporated is a Licensed Contractor – licensed in Maryland, Virginia and Washington, DC. We are also a member of the National Roofing Contractors Association.

Roof Replacement in the MD, DC and VA Area

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 roofing 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.

Commercial Roofing in MD, DC and VA Area

We specialize in flat roofs for commercial and industrial buildings. Manufactures of quality roofing materials like Certainteed, Firestone, Sarnafil, IB Roof Systems, & Mulehide have recognized Certified Incorporated with awards and certifications 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