San Francisco’s office availability fell by almost 2 million square feet in the past quarter, the largest decrease in a series of four straight reductions. The market’s total available space is now 47 million square feet, a decrease of 5 million square foot from the peak in availability at the end of 2024.
Strong leasing triggers the largest quarterly fall in office availability in San Francisco
Plenty of vacant space remains for growing tech companies
By Nigel Hughes
CoStar AnalyticsDecember 26, 2025 | 8:16 P.M.
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