Height Rankings
- #13 in Chicago
- #62 in United States
- #74 in North America
- #546 Worldwide
Collections
- 1000 Tallest Buildings in the World
- 100 favorite skyscrapers
- Default
Object dataJoin to edit
| Building Mass Height | 265 m |
| Architectural Height | 265 m Source: CTBUH database |
| Building Mass Height | 265 m |
| Roof Height | 264.0 m Source: google earth measurement by Marshall Gerometta |
| Tip Height | 259.1 m |
| Floors | 61 Source: CTBUH database |
| Completion | 1969 |
| Structural Form | skyscraper |
| Main Usage | commercial office |
| Status | existing |
| Architectural Style | modern |
| Address | 21 South Clark Street |
| Smart Address | 21 South Clark Street |
| Smart Address | 2–26 South Dearborn Street |
| Smart Address | 51–99 West Madison Street |
| City | Chicago, IL |
| Country |  United States |
