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Great Seal LLC

Great Seal LLC

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About Us

2x Best of Houzz winner
Locally owned
24 years in business
Arlington County's Top Rated Architecture Firm - 2x Best of Houzz!
ABOUT GREAT SEAL Great Seal, LLC (Great Seal) is an award-winning architectural design firm founded by regionally recognized and nationally decorated designer, Lyndl T. Joseph. Great Seal is a Woman-Owned Small Business (WOSB) that provides customized solutions and architectural expertise uniquely tailored to client needs. Great Seal offers state-of-the-art design tools, industry-best technical, management, and quality control practices, and services of some of the best people in the business to capture the unique requirements and client needs of complex projects, design innovative, uniquely tailored solutions, and achieve our clients objectives. Headquartered in Alexandria, Virginia, and located minutes away from our nations capital, Great Seal has successfully managed the design solutions for complex projects since 1997.

Services Provided

3D Rendering, Accessory Dwelling Units (ADUs), Architectural Design, Architectural Drawings, Building Design, Custom Home, Guesthouse Design & Construction, Historic Building Conservation, Home Additions, Home Extensions, Home Remodeling, Home Restoration, New Home Construction, Pool House Design & Construction, Project Management, Universal Design, Custom Homes

Areas Served

Alexandria, Arlington, DC (Washington), Fairfax, Fort Hunt, Mount Vernon, Tysons Corner


AIA 2007 Award of Merit


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16 Projects

Kitchen - contemporary kitchen idea in DC Metro

Shinsho Project

Arlington, VA
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Business Details

Business Name

Great Seal LLC

Phone Number

(703) 997-6043


Alexandria, VA 22320

Typical Job Cost

$50,000 - 5,000,000

License Number

VA015071 DCARC102101 MD17092


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Great Seal LLC
Average rating: 5 out of 5 stars

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