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Wiedemann Architects LLC

Wiedemann Architects LLC

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About Us

11x Best of Houzz winner
Award winning
D.C. Area Award-Winning Architectural Firm – 10x Best of Houzz Winner
WIEDEMANN ARCHITECTS is a full-service architectural firm with over 35 years of award-winning design experience ranging from new homes, farms and estates, penthouse and condo renovation, and residential additions. In addition to all normal architectural services, the firm offers services in feasibility studies, programming, site planning, master planning, urban design, and interiors. Wiedemann Architects LLC brings a breadth of experience and a standard of excellence in design as demonstrated by the firm's numerous architectural awards. The firm’s portfolio encompasses new work, both traditional and modern in design, and includes seamless residential additions, sympathetic to older structures; "additions so seamless they look as if they have always been there". Gregory Wiedemann, FAIA, Principal of Wiedemann Architects LLC, received a Bachelor of Arts, magna cum laude, in Mathematics and Urban Planning from Tufts University, a Bachelor of Science in Civil Engineering, magna cum laude, from Tufts University College of Engineering, and a Master of Architecture from Harvard University. He was the recipient of the AIA Medal, an award given to the top-ranked architecture student at Harvard, a Frederick Sheldon Traveling Fellowship, and an Architectural Award from the National Society of Arts & Letters. He was Graham Foundation Scholar at Harvard in 1976 and is a member of Tau Beta Pi, the national honorary engineering fraternity. In 2021, he received the high honor of being elevated to The College of Fellows of the American Institute of Architects. In addition to his practice, he has been a member of the design and technology faculties of the School of Architecture at the University of Maryland, and a member of the faculty of Johns Hopkins University. His academic work has been recognized by numerous regional and national awards, including an award for an ACSA International Design Competition and a national AIA Education Honor Award for excellence in design education at the University of Maryland. Mr. Wiedemann is NCARB certified and has professional architectural registration in Maryland, District of Columbia, Virginia, West Virginia, Delaware, New York, and North Carolina. Contact us for a consultation about your project.

Services Provided

Architectural Design, Architectural Drawings, Bathroom Design, Building Design, Energy-Efficient Homes, Handicap-Accessible Design, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, Kitchen Design, Kitchen Remodeling, Multigenerational Homes, New Home Construction, Pool House Design & Construction, Project Management, Site Preparation, Space Planning, Custom Homes, Construction Drawings, Condo/Coop Renovation, Aging in Place, Feasibility Studies, Farms & Estates, shipping containers, Waterfront Properties, New Home Design

Areas Served

Alexandria, Annandale, Arlington, Baileys Crossroads, Bethesda, Burke, Calverton, Centreville, Chantilly, DC (Washington), Fairfax, Gaithersburg, Great Falls, Herndon, Jefferson, North Bethesda, North Potomac, Oakton, Potomac, Reston, Silver Spring, Springfield, Takoma Park, Tysons Corner, Vienna, Washington, Aspen Hill, Falls Church, Lake Barcroft, Mclean, Rockville, Wheaton, Chevy Chase, Burtonsville, East Coast, St. Michaels, Annapolis, Easton, Rehoboth Beach, West Virginia, Virginia, Delaware, Maryland, Washington DC


Historic Preservation Award, AIA Chesapeake Chapter, Maiden Point Farm, 2020 Grand Prize, Architectural Remodel, Annapolis Home Design Awards, 2020 Grand Prize, Architecture Outbuilding, Annapolis Home Design Awards, 2020


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29 Projects

Kitchen - mid-sized transitional dark wood floor and brown floor kitchen idea in DC Metro with a drop-in sink, flat-panel cabinets, white cabinets, marble countertops, white backsplash, marble backsplash, stainless steel appliances, two islands and white countertops

Bright and Airy Kitchen & Family Room

Potomac, MD
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Business Details

Business Name

Wiedemann Architects LLC

Phone Number

(301) 652-4022


5272 River Rd Ste 610
Bethesda, MD 20816

Typical Job Cost

$400,000 - $5,000,000

New Homes from $750,000 to $5 Million. Whole Home Renovations $450,000 to $5 Million. Historical Renovations from $250,000 to $5 Million. Farms & Estates $50,000 to $20 Million. Penthouse/Condo Renovations from $350,000 to $4 Million. Single & Multi-room additions from $250,000 to $1 Million. Estimates based on experience. Your actual costs may vary depending on the scope of your project. Contact us for a consultation about your project.

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Wiedemann Architects LLC
Average rating: 5 out of 5 stars