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The industry's own research.
2 reports
Office occupancy across all Kastle-tracked buildings reached 56.3 percent for the week of December 8, 2025, the highest weekly average recorded since early 2020. Class A-plus buildings reached 78.8 percent occupancy and Tuesday set a single-day post-pandemic record at 66.0 percent.
Kastle introduced peak-day occupancy data to its Back to Work Barometer to capture the mid-week concentration of office attendance. The metric highlights the barbell pattern where Tuesday through Thursday occupancy runs roughly double that of Monday and Friday.