Best Flat & Low-Slope Roofing Contractors in Washington

Central Exteriors is a Rockville, MD-based family-owned exterior remodeler that has served the DC metro area since 1956 and is now celebrating roughly 70 years in business. It works in Northwest and Northeast Washington, D.C. and the Maryland suburbs, installing and replacing roofing alongside siding, windows, doors and gutters. Its installers are recognized as CertainTeed master shingle installers, and the firm has long-standing ties to the National Association of the Remodeling Industry, whose national chapter a past company president once led.

Family Roofing is a licensed, bonded and insured, three-generation roofer that says it has served the Washington, D.C. community for over 50 years. The company specializes in slate, metal, rubber and shingle roofing plus gutters and downspouts, with particular expertise in preserving the slate roofs found on the District's historic rowhouses and older homes. Work is handled directly with the owner, and free estimates and emergency service are offered.

CJ Roofing is a family-owned and operated roofer headquartered in and focused exclusively on the District of Columbia, where it says it has been fixing roofs for around 30 years across all of the city's 61 square miles. The company specializes in the urban roofing systems common on DC rowhouses: flat roofs, modified-bitumen (rubber) roofs, slate roofs, and flat-roof coatings and sealants. Its installers are certified as CertainTeed Master Craftsmen, and it carries a DC home improvement license.

National Roofing is a third-generation, family-owned roofer based on K Street in downtown Washington, D.C. that says it has served District homeowners for more than five decades. The company installs and repairs flat roofs, slate and shingle roofs, and also handles gutters and skylight installation. It offers custom roofing design consultation for homeowners matching materials to the city's older housing stock.

Beltway Roofing is a contractor serving Washington, D.C. alongside Maryland, Virginia and Pennsylvania, with a focus on premium slate work in the District. On the commercial side it installs flat-roof systems including TPO, PVC and modified bitumen, while its residential division handles natural slate, cedar shake, tile, synthetic materials, asphalt shingles and metal. The company backs its replacement work with a 10-year workmanship warranty and maintains dedicated DC service coverage including Georgetown and Capitol Hill.

DreamHome Remodeling is an owner-led contractor that has been family-led since 1999 and serves Washington, D.C. from offices in Springfield, VA and Hanover, MD. The company is an Owens Corning Platinum Preferred contractor with HAAG Certified Inspectors on staff and holds both a DC home improvement license and a Virginia Class A contractor license. It focuses on post-storm inspections and documentation following wind and hail events, plus roof replacement, roof repair, flat roofing and Roof Maxx roof rejuvenation.