Salesforce Tower, formerly known as the Transbay Tower, is a 1,070 ft (326 m) supertall office skyscraper under construction in the South of Market district of downtown San Francisco. Located at 415 Mission Street between First and Fremont Streets, next to the Transbay Transit Center site, Salesforce Tower is the centerpiece of the San Francisco Transbay redevelopment plan that contains a mix of office, transportation, retail, and residential uses.