Andrew Mellon Building, National Historic Landmark office building in Dupont Circle, Washington, D.C., United States.
The Andrew Mellon Building at 1785 Massachusetts Avenue presents classical architecture with symmetrical windows, stone facade, and decorative elements across six floors.
Architect Jules Henri de Sibour constructed this Beaux-Arts structure in 1917, which later housed Treasury Secretary Andrew Mellon from 1921 to 1932.
The building transformed from luxury apartments with servant quarters into office spaces, reflecting the evolving needs of Washington's professional community.
Located at the intersection of 18th Street Northwest and Massachusetts Avenue, the building stands near multiple public transportation options in Dupont Circle.
The structure originally contained six exclusive residential units with accommodations for over forty servants, indicating the social hierarchy of early 1900s Washington.
Location: Washington, D.C.
Inception: 1917
Architects: Jules Henri de Sibour
Official opening: 1917
Architectural style: Beaux-Arts
Address: 1785 Massachusetts Ave NW, Washington, DC 20036
GPS coordinates: 38.90917,-77.04167
Latest update: March 17, 2025 08:46
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