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Harvest Properties and Lone Star JV Recapitalize 360K SF 600 California Office Tower

Harvest Properties and Lone Star Funds have recapitalized the 360,000-square-foot office tower at 600 California Street in San Francisco's Financial District.

By Colin Percy · May 26, 2026

Harvest Properties and an affiliate of Lone Star Funds have entered a joint venture to reposition 600 California St., a 360,000-square-foot office tower in San Francisco’s North Financial District. Lone Star acquired the 20-story building through a foreclosure process in April 2026 after purchasing a $240 million nonperforming CMBS loan for $130 million. The asset, previously owned by WeWork, will now undergo significant capital improvements managed by Harvest Properties, the operating partner for the site.

Renovation plans include modernizing the lobby and exterior plaza, as well as constructing a 10,000- to 15,000-square-foot shared amenity floor featuring a fitness center, tenant lounge, and flexible meeting spaces. The team also intends to add a roof deck and upgrade vacant floors to improve occupancy at the tower, which currently has more than 246,000 square feet of available space.

Companies mentioned

tenant

WeWork

developer

Lone Star Funds

developer

Harvest Properties

other

JLL

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