U.S. office vacancy appears to have reached a cyclical peak, topping out at 14.2% in mid‑2025, before edging down slightly by year’s end as the updated CoStar forecast anticipates stable vacancy through the end of 2026.
US office forecast brightens as demand steadies, obsolete space removed
Improved long-term outlook reflects stabilized tenant needs
By Phil Mobley
CoStar AnalyticsFebruary 4, 2026 | 10:51 P.M.
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