Tech firms dominate the biggest S.F., Oakland leases over past 5 years For more information please click here to contact Tuan Nguyen By Bizjournals.com Feed (2019-07-12 16:19:27) | January 31, 2020 Last year’s largest San Francisco office lease was 490,000 square feet and was just approved by the San Francisco Planning Department in July. Posted in Sacramento Business Journal