Significant uptick in year-end leasing activity finishes the year strong

Full-year leasing activity in the Orange County office market reached 6.7 million square feet (msf) in 2025, a 7.7% increase from the 6.3 msf reported in 2024. Quarterly leasing totaled 2.3 msf, a 57.2% increase from the prior quarter, underscoring a notable uptick in activity. Leasing gains were concentrated in the Airport Area, Irvine Spectrum and Central County submarkets, which captured a majority of the top lease transactions. As return-to-office momentum continues to build, occupiers are gaining confidence in their future business plans and moving beyond a wait-and-see approach. According to Placer AI, Irvine’s return-to-office activity has reached 62% as of January 2020.

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