One Madison in New York City
| Height | 188 m (617 ft) ▼ |
| Tip Height | 188 m (617 ft) |
| Floors | 51 |
| Construction Year | 2011 |
| Structural Form | skyscraper |
| Main Usage | residential condominium |
| Status | completed |
| Architectural Style | modern |
| Address | 20 East 23rd Street |
| City | New York City |
| Country | United States |