| 50 California Street | |
| Alternate Names: | Union Bank Building |
| Location: | 50 California Street San Francisco, California |
| Coordinates: | 37.794°N -122.3974°W |
| Completion Date: | 1972 |
| Architect: | Welton Becket & Associates |
| Owner: | Shorenstein Properties |
| Floor Area: | 63174m2 |
| Floor Count: | 37 |
| References: | [1] |
| Building Type: | Commercial offices |
| Roof: | 148.44m (487.01feet) |
| Elevator Count: | 17 |
| Main Contractor: | Dillingham Construction Haas & Haynie |
| Pushpin Map: | United States San Francisco Central |
| Developer: | Haas & Haynie |
| Management: | Shorenstein Properties |
50 California Street (also known as the Union Bank Building) is a 148m (486feet), 37-story office tower completed in 1972 at the foot of California Street in the Financial District of San Francisco, California. There is a plaza located at the base of the building. The building is owned and managed by affiliates of Shorenstein Properties.
The building is briefly featured in the 2014 science fiction monster film "Godzilla" where during the climax of the film, Godzilla and the male MUTO fought in San Francisco, only for Godzilla to kill the MUTO by slamming him into the side of the building, then the building collapses on top of Godzilla