<Tr> <Td_colspan="2"> www.salesforcetower.com </Td> </Tr> <Tr> <Th_colspan="2"> References </Th> </Tr> <P> Salesforce Tower, formerly known as the Transbay Tower, is a 1,070 - foot (326 m) office skyscraper under construction in the South of Market district of downtown San Francisco . It is 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 . The plan contains a mix of office, transportation, retail, and residential uses . When completed, the tower will be the tallest in San Francisco . With a top roof height of 970 feet (296 m) and an overall height of 1,070 feet (326 m), it will be the second - tallest building west of the Mississippi River after the Wilshire Grand Center in Los Angeles . </P> <P> The crown of the tower, once completed, will feature a nine - story electronic sculpture created by artist Jim Campbell that will feature low resolution, abstract videos of San Francisco that will be filmed each day . This will be the tallest public art piece in the world . </P>

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