Moffett Towers B4 in Sunnyvale
| Height | 39 m (129 ft) |
| Floors | 8 |
| Construction Year | 2020 |
| Structural Form | low-rise building |
| Main Usage | commercial office |
| Status | topped out |
| Architectural Style | modern |
| Address | 900 5th Avenue |
| City | Sunnyvale |
| Country | United States |