321 North Clark

321 North Clark at Riverfront Plaza is a 35-story, 155.45 m (510.0 ft) skyscraper constructed from 1983 to 1987 in Chicago, Illinois, United States. The tower was built by BCE Development Properties and designed by Skidmore, Owings & Merrill as part of the Riverfront Plaza development on the north bank of the Chicago River.

321 North Clark at Riverfront Plaza
General information
Status	Completed
Type	Commercial offices
Architectural style	modernism
Location	321 North Clark Street Chicago, Illinois
Coordinates	41.888056°N 87.630556°W / 41.888056; -87.630556
Construction started	1983
Completed	1987
Owner	Hines Interests Limited Partnership
Management	Hines Interests Limited Partnership
Height
Roof	155.45 m (510.0 ft)
Technical details
Floor count	35
Floor area	83,000 m2 (890,000 sq ft)
Lifts/elevators	39
Design and construction
Architect(s)	Skidmore, Owings & Merrill
Developer	Hines Interests Limited Partnership BCE Development Properties
Structural engineer	Skidmore, Owings & Merrill
Main contractor	PCL Construction Management Inc.
References
[1][2][3][4][5]

321 North Clark opened in April 1987 and was named "city development of the year" by the Chicago Sun-Times.^[6][7] The building was originally named Quaker Tower after its anchor tenant, the Quaker Oats Company. Quaker moved to a new headquarters in 2002.^[8] Currently 321 North Clark is owned by Hines Interests Limited Partnership and houses the headquarters of the American Bar Association, Hummer Mower Associates, among other tenants.^[9]

See also

• List of tallest buildings in Chicago