Architecture for the Most Important Place in the World. Yours.

Historic
28th Street NW Georgetown
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Historic
Oakland Terrace, Alexandria, Virginia
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PROJECT
Residential
Fort Hunt Residence, Alexandria, Virginia
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PROJECT
Residential
Vassar Road
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Residential
Conservatory @ The Deer Run
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Residential
North Granada Arlington Coming Soon
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Envision. Design. Deliver.
 

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 Commercial and Residential client needs. Headquartered in Alexandria, Virginia, and is located minutes away from our nation's capital, Great Seal has successfully managed the design solutions for complex projects since 1997 and is able to service clients in Virginia, Washington DC, and Maryland.