McCormick Apartments

1785 Massachusetts Ave., NW, Washington, District Of Columbia. County/parish: District of Columbia.

Added to the National Register of Historic Places April 03, 1973. NRIS 73002100.

1 contributing building.

Also known as:

• 1785 Massachusetts A
• Andrew Mellon Building
• Mellon Apartment

From Wikipedia:

Andrew Mellon Building

McCormick Apartments, also known as Andrew Mellon Building, Mellon Apartment, or 1785 Massachusetts Avenue Northwest, is a landmark apartment building on Embassy Row in Washington, D.C., whose inhabitants once included Andrew W. Mellon. It is the home of the American Enterprise Institute.

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National Park Service documentation: https://catalog.archives.gov/id/117692315