General Contractor & Home Remodeling in Washington DC & Maryland

General Contractor in Washington DC and Maryland

Finnegan Construction Group LLC is a licensed general contractor in Washington DC and Maryland. We build additions, renovate historic rowhouses, underpin and waterproof basements, and remodel kitchens and bathrooms.

What We Build

Home additions and pop-ups. Rear additions, second-story additions, and rowhouse pop-ups, from permits through finish work.

Underpinning and basement lowering. Add ceiling height and turn an old cellar into usable living space.

Basement waterproofing. Interior and exterior waterproofing and drainage for rowhouses and single-family homes.

Kitchen remodeling. Layout changes, cabinets, countertops, and moving gas, plumbing, and electrical.

Bathroom remodeling. Walk-in showers, tub to shower conversions, tile, vanities, and fixtures.

Historic rowhouse renovations. Full and partial renovations, including projects that need historic preservation review.

Home inspection repairs. Repairs from your inspection report, before closing or after move-in.

Exterior and other work. Roofing, siding including Hardie fiber cement, decks, exterior and interior painting, and insulation.

Recent Work

Kitchen Remodeling →Bathroom Remodeling →See All Projects →

Where We Work

Washington DC neighborhoods including Bloomingdale, Petworth, Capitol Hill, Brookland, Logan Circle, Adams Morgan, Mount Pleasant, Cleveland Park, and Georgetown. In Maryland, Bethesda, Chevy Chase, Silver Spring, Takoma Park, Kensington, and Potomac.