The amount of available retail space across Philadelphia is hovering at a multi-decade low, following several years of resilient retail demand. At the end of 2025, Philadelphia had just 17.6 million square feet of available retail space, a 5.5 million-square-foot decrease from the previous space availability peak of 23.1 million square feet at the end of 2020.
Philadelphia’s retail lease listings dominated by older properties
Retailers scramble for scarce, new space as local inventory hits a low
CoStar Analytics
January 20, 2026 | 10:56 P.M.
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