By Brenda Nguyen CoStar Analytics
Philadelphia's medical office market has entered a cooling period following several years of sustained expansion. Characterized by reduced demand, rising vacancy and decelerating rent growth, the changes signal a transitional phase for the local healthcare real estate sector.
The most visible sign of this shift is the return of negative net absorption in the fourth quarter of last year, a period in which more tenants moved out of medical office space than moved in. At the end of 2025, Philadelphia's medical office market recorded negative quarterly absorption of 260,000 square feet, bringing the trailing-four-quarter total to negative 323,660 square feet, one of the weakest performances in decades. Vacancy climbed from 8.3% in the third quarter to 9% by year-end.
Preliminary data suggests the medical-office performance is also in slightly negative or neutral territory in the first quarter of this year.
Leasing activity tells a similar story. Although approximately 757,000 square feet of medical office leases were signed over the past year, the signings have not translated into net gains in occupancy. The number of new leases fell to 80 from 100 in the prior period, and the average amount of space leased dropped 38% to 2,625 square feet. Rather than expanding, medical office tenants are prioritizing renewals, consolidations and reductions.
Major health systems, which anchored demand throughout the previous cycle, have largely suspended new commitments, removing the market's most reliable source of absorption.
What makes this shift notable is its disconnection from otherwise strong employment trends. The "eds and meds" sectors—which together account for roughly one-quarter of local jobs in the Philadelphia region—increased by 2.5%, adding 28,500 new employees over the past year. The divergence reflects a broader restructuring underway across the healthcare industry, as providers rationalize and reconfigure their real estate footprints.
Despite recent hiccups, the pullback remains limited in scale, and the sector's underlying fundamentals point toward continued long-term growth. As major health systems complete their operational restructuring, the region's medical office demand should stabilize and begin to strengthen.
The region's aging population and continued healthcare employment growth together form a durable, long-term demand base—one that positions Philadelphia's medical office market well for the cycle ahead, after it gets through this soft patch.
