What Return-to-Office Actually Did to Office Vacancy Data
For a few years, the office vacancy story was simple: work-from-home emptied buildings, and nobody quite knew how much of that space was coming back. That story is no longer accurate. Office vacancy is finally moving, but not the way the headlines from 2023 predicted, and not evenly.
The Headline Number Is Improving, Slowly
The overall U.S. office vacancy rate fell 30 basis points in the second quarter of 2026, dropping to 18.3%, the largest quarterly decline CBRE has recorded since 2015. It's the second straight quarterly decline after vacancy peaked and finally turned in early 2026. That's real, and it's the first sustained improvement in the office market in years. But 18.3% is still a high number by pre-pandemic standards, and the way that number breaks down underneath the headline is the actual story.
Prime Space Is Recovering. Everything Else Is Waiting.
Prime office vacancy, the top tier of buildings, fell 40 basis points in the same quarter to 12.3%, outpacing the broader market's decline. In Midtown Manhattan, prime vacancy dropped to just 2.2%, a number that would have sounded implausible two years ago. Meanwhile, construction completions hit their lowest quarterly total since CBRE began tracking the metric in 1990, just 2.2 million square feet delivered nationally in Q2. Almost no new prime space is being built, existing prime space is filling up fast, and older, lower-tier buildings are being left behind. The market isn't recovering as one market. It's splitting into two.
Return-to-Office Compliance Isn't the Whole Explanation
The instinct is to credit return-to-office mandates for the improvement, and attendance policy compliance has genuinely increased. But compliance and enforcement aren't the same thing, and most companies aren't actually enforcing the mandates they've announced. The bigger driver is supply, not mandates: inventory removals through demolition and conversion have started outpacing new completions for the first time in CBRE's tracking history, and that reduction in available square footage is doing more to move the vacancy number than any attendance policy is.
What This Means for Underwriting an Office Asset Today
The practical takeaway for a buyer or broker: a headline vacancy number tells you almost nothing about a specific asset. A building's actual position depends on where it sits in the quality tier, prime, next-tier, or older stock, because those three categories are now performing in genuinely different ways. Asking rents rose 2.6% year-over-year to $37.58 per square foot nationally as of Q2 2026, but that average is being pulled up by demand concentrated at the top. Lender confidence is following the same pattern: loan-to-value ratios on permanent office loans rose to 61.4% in the first quarter, up from 58.4% the quarter before, reflecting improved appetite specifically for high-quality assets.
The Recovery Is Real, and It's Selective
None of this means office is broadly back. It means the office market has stopped being one undifferentiated story about empty buildings and started being a story about which buildings, in which tier, in which market. Due diligence on any single office asset now has to answer that question directly rather than leaning on a national vacancy figure that's genuinely trending better and genuinely doesn't tell you much about the building in front of you.
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