Great Seal LLC
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Arlington County's Top Rated Architecture Firm - 2x Best of Houzz!

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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

Architectural Design, Architectural Drawings, Building Design, Custom Home, Historic Building Conservation, Home Additions, Home Extensions, Home Restoration, New Home Construction, Project Management, Custom Homes

Areas Served

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


AIA 2007 Award of Merit