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Massive San Francisco ‘floating cube’ tower may bring 826 new homes

Renderings of 620 Folsom Street, the building would create over 800 homes for San Francisco. | Courtesy of Arquitectonica

A massive new tower complete with “floating cube” could soon adorn San Francisco’s skyline. 

The 62-story tower will feature 826 rental homes, with 135 listed as affordable. It will include 472 two-bedroom apartments, 118 three-bedroom units, 118 studios and 118 one-bedroom apartments.

Described as a “subtle glowing lantern” above SoMa by Arquitectonica, the Florida-based architect behind the project at 620 Folsom Street. 

The site is between Hawthorne and 2nd streets on Folsom, is close to the Moscone Center and a short walk from the Montgomery Street BART Station.

The project description states: “The building’s scale supports the SoMa district’s ongoing transformation to a vibrant mixed-use neighborhood near transit services and employment opportunities.”

Renderings of 620 Folsom Street, the building would create over 800 homes for San Francisco. | Courtesy of Arquitectonica

The 54th floor, below where the “floating cube” section begins, will be a community space complete with a fitness center and workspaces. Within the cube itself will be residential floors.

The ground floor is set to include a cafe and bicycle parking, with a further 133 car parking spaces and over 300 bicycle spaces planned for underneath the tower. 

Earthquake risk at the site is said to be “very low” according to a geotechnical investigation of the site by Rollo & Ridley.

SF Planning published the plans on Wednesday, with an estimated build time of 36 months after demolition of the existing three-story office building at the site. The build is expected to cost at least $250 million. 

The joint property owners are listed as McLaughlin Family Associates, LP, and 620 Folsom Development Partners LLC. 

The plans were submitted by Align Real Estate and are yet to be approved by the Planning Commission. If approved, permits would have to be obtained before construction could go ahead.

Joe Burn can be reached at jburn@sfstandard.com