181 West Madison in Chicago
| Height | 207 m (680 ft) ▼ |
| Tip Height | 207 m (680 ft) |
| Building Mass Height | 207 m (680 ft) |
| Floors | 50 |
| Construction Year | 1990 |
| Structural Form | skyscraper |
| Main Usage | commercial office |
| Status | completed |
| Architectural Style | postmodern |
| Address | 181 West Madison Street |
| City | Chicago |
| Country | United States |