350 Mission Street is a skyscraper  under construction in the South of Market district of San Francisco, California. Current designs call for 30 stories and 455 ft (139 m) above street level.Upon completion, the building plans to attain LEED  Gold status.

350 Mission Street is located at the northeast corner of Fremont Street and Mission Street  in a part of the South of Market district typically considered an extension of the Financial District. It is located near several other downtown skyscrapers, including the adjacent Bue Shield of California Building  and 45 Fremont Street  Across Fremont Street to the west is 50 Fremont Center. and across Mission Street to the east is Millennium Tower.. To the south, at the opposite corner of the intersection is the site of the Transbay Tower.. It is located a block fromMarket Street  and a half block from the Transbay Terminal.

350 Mission Street
General information
Status	Under construction
Type	Commercial offices
Architectural style	Modernism
Location	350 Mission Street San Francisco, California
Coordinates	37.7908°N 122.3966°WCoordinates: 37.7908°N 122.3966°W
Construction started	February 2013
Estimated completion	2015
Cost	US$250 million
Height
Height	455 ft (139 m)
Roof	424 ft (129 m)
Technical details
Floor count	30
Floor area	420,000 sq ft (39,000 m2)
Design and construction
Architect	Skidmore, Owings and Merrill
Developer	Kilroy Realty Corporation
Structural engineer	Skidmore, Owings and Merrill