One South Dearborn
One South Dearborn is a 571 ft (174m) tall skyscraper in Chicago, Illinois. It was constructed from 2003 to 2005 and has 39 floors. DeStefano Keating Partners designed the building, which is the 71st tallest in Chicago as of November 2022. An earlier proposal for the same site proposed a much taller 112-story building. The current anchor tenant is Sidley Austin LLP, which moved into One South Dearborn in November 2005 from Bank One Plaza.[1]
| One South Dearborn | |
|---|---|
 One South Dearborn (left) is located directly north of the Inland Steel Building (right) | |
| General information | |
| Type | Office |
| Location | 1 S. Dearborn St. Chicago, Illinois United States |
| Coordinates | 41°52′54″N 87°37′43″W |
| Current tenants | Sidley Austin LLP |
| Construction started | 2003 |
| Completed | 2005 |
| Height | |
| Roof | 571 ft (174 m) |
| Top floor | 502 ft (153 m) |
| Technical details | |
| Floor count | 39 |
| Floor area | 249,326 m2 (2,683,720 sq ft) |
| Lifts/elevators | 19 |
| Design and construction | |
| Architect(s) | DeStefano Keating Partners |
| Developer | Hines |
| Structural engineer | Halvorson and Partners |
| Main contractor | Turner Construction Company |
See also
External links
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