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Claude C. Lapp Architects, LLC

Claude C. Lapp Architects, LLC

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About Us

13x Best of Houzz winner
30 years in business
Award winning
Montgomery County Architect and Designer
Best of Houzz 2014-2022
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 30 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, Ashton-Sandy Spring, Aspen Hill, Bethesda, Brookeville, Chevy Chase, Chevy Chase View, Clarksburg, Colesville, Damascus, Darnestown, Derwood, Forest Glen, Four Corners, Gaithersburg, Garrett Park, Germantown, Glenmont, Great Falls, Kemp Mill, Kensington, Langley Park, Laytonsville, Leisure World, Montgomery Village, North Bethesda, North Chevy Chase, North Kensington, North Potomac, Olney, Potomac, Rockville, Rossmoor, Silver Spring, Takoma Park, Travilah, Chillum, College Park, DC (Washington), Fairland, Mount Rainier, Pimmit Hills, Tysons Corner, University Park, Vienna, Washington, West Mclean, Brookmont, Mclean, Annapolis


•MBIA Custom Builder Awards of Excellence (Multiple) •2013 - 2022 Best of Bethesda: Readers' Pick, Runner Up, Best Architect for Custom Homes & Best Architect for Home Renovations •2014 - 2021 Best of Houzz

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47 Projects

Example of a large classic beige two-story stucco exterior home design in DC Metro with a hip roof

Stucco & Stone w/ Southwest Flair

Potomac, MD
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Business Details

Business Name

Claude C. Lapp Architects, LLC

Phone Number

(301) 918-5709


15400 Calhoun Drive, #350
Rockville, MD 20855

Typical Job Cost

$250,000 - 4,000,000

This is the typical figure for construction costs.


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Contact Claude C. Lapp Architects, LLC
Claude C. Lapp Architects, LLC
Average rating: 5 out of 5 stars