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We service the following counties and cities in Maryland and Washington, DC :
Counties:
Howard County Maryland, Frederick County Maryland, Carroll County Maryland, Montgomery County Maryland; Baltimore County, Maryland
Cities:
Glenwood, MD (21738 ); Highland, MD (20777); Sykesville, MD (21784); Columbia, MD (21044); Mount Airy, MD (21771); Olney, MD (20832); Finksburg, MD (21048); Westminster, MD (21157); Taneytown, MD (21787); Baltimore City, MD (21201); Baltimore, MD (21201); Rockville, MD (20850); Potomac, MD (20854); Burtonsville, MD (20866); Ashton, MD (20861); Union Bridge, MD (21791); Clarksville, MD (21029); Clarksburg, MD (20871); Ellicott City, MD (21042); ; Eldersburg, MD (21784); Woodbine, MD (21797); New Market, MD (21774); Damascus, MD (20872); Frederick, MD (21701); Gaithersburg, MD (20877); Laytonsville, MD (20879); Brookeville, MD (20833); Bethesda, MD (20817), Brookeville, MD (20833), Savage, Maryland, Glen Echo, Maryland, Kensington, Maryland, Chevy Chase, Silver Spring


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MD Roof Replacement Contractor
Certified, Inc. is a locally owned and operated residential and commercial roofing contractor based in Highland, Maryland. Our roofers service Montgomery, Carroll, Baltimore, Howard and Frederick Counties.
Whether it's slate, cedar, asphalt, fiberglass, metal, or flat roofing, we provide service for all types of residential and commercial roofing replacements. In addition to our excellent residential roof replacements, we also provide excellent commercial roofing services.
Many Maryland roofing contractors will simply repair your roof. Depending on the actual problems that your roof may have, you may need a new roof replacement.
At Certified, Inc. our Roofing Specialists are thoroughly trained to find all of the issues associated with replacing your roof. This helps to keep from covering up a problem, or leading to costly un expected roof repairs in the future.
By contracting Certified Inc. for your roofing project, you are choosing the best protection possible for your home's roof. Certified Inc. warrants the installation of all their products for 10 years. Certified Inc will stand by their roofing craftsmanship 100%. Simply stated, this warranty provides protection to the homeowner against any defective installation of roofing products, for 10 years after the roofing material has been installed. This warranty is limited, and will not exceed manufacturer's warranty (wind, weather, and shingle life).

