Merchandise Mart

The Merchandise Mart (or the Merch Mart, or the Mart) is a commercial building located in the Near North Side of Chicago, Illinois, United States. When it opened in 1930 it was the largest building in the world, with 4,000,000 square feet (372,000 m²) of floor space.^[1][2] The building was once owned by the Kennedy family. At a brief point, the building was so large, it had its own zip code.^[3]

Merchandise Mart
General information
Type	Mixed
Architectural style	Art Deco
Location	222 Merchandise Mart Plaza, Chicago, Illinois
Coordinates	41.8884°N 87.6355°W / 41.8884; -87.6355
Construction started	August 16, 1928
Completed	1930
Opening	May 5, 1930
Owner	Vornado Realty Trust
Height
Roof	340 ft (100 m)
Technical details
Floor count	18 base, 25 tower
Floor area	4,000,000 square feet (372,000 m2)
Design and construction
Architect	Graham, Anderson, Probst and White
Main contractor	John W. Griffiths & Sons

The sign on the building