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Claude C. Lapp Architects, LLC


About Us

11x Best of Houzz winner
28 years in business
Montgomery County Architect and Designer
Best of Houzz 2014-2018
Claude C. Lapp Architects, LLC is a distinguished and award-winning architectural firm specializing in the practice of custom residential architecture in the Washington, D.C. area & beyond for over 25 years. Our mission is to provide our clients with the highest-quality design suited for their lifestyles, expectations, and budget. Call today for a complimentary consultation.

Services Provided

3D Rendering, Accessory Dwelling Units (ADUs), Architectural Design, Architectural Drawings, Barn Design & Construction, Basement Remodeling, Bathroom Design, Building Design, Custom Home, Deck Design, Drafting, Energy-Efficient Homes, Floor Plans, Garage Design, Green Building, Handicap-Accessible Design, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, Home Restoration, House Plans, Kitchen Remodeling, Laundry Room Design, Modular Home Additions, Mudroom Design, Multigenerational Homes, New Home Construction, Outdoor Kitchen Design, Pool House Design & Construction, Prefab Houses, Staircase Design, Sustainable Design, Universal Design, Custom Homes, Construction Drawings

Areas Served

Ashton-Sandy Spring, Bethesda, Chevy Chase, Chillum, Colesville, College Park, DC (Washington), Darnestown, Fairland, Forest Glen, Four Corners, Gaithersburg, Germantown, Glenmont, Great Falls, Hillandale, Hyattsville, Kemp Mill, Langley Park, Layhill, Leisure World, Montgomery Village, Mount Rainier, North Bethesda, North Chevy Chase, North Kensington, North Potomac, Olney, Pimmit Hills, Potomac, Rossmoor, Silver Spring, South Kensington, Takoma Park, Travilah, Tysons Corner, University Park, Vienna, Washington, West Mclean, Aspen Hill, Brookmont, Derwood, Mclean, Rockville, Annapolis


•MBIA Custom Builder Awards of Excellence (Multiple) •2013 - 2020 Best of Bethesda: Readers' Pick, Runner Up, Best Architect for Custom Homes & Best Architect for Home Renovations •2014 - 2020 Best of Houzz

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Contact Claude C. Lapp Architects, LLC
Claude C. Lapp Architects, LLC
Average rating: 5 out of 5 stars
15400 Calhoun Drive, #350
Rockville, MD 20855
Typical Job Cost $250,000 - 4,000,000
This is the typical figure for construction costs.