Office demolitions across Philadelphia surged over the past year to their highest level in nearly a decade. Approximately 1.4 million square feet of office space was cleared from the market inventory as developers accelerated efforts to repurpose outdated and obsolete buildings.
After trending lower in recent years, office demolitions spiked across Philadelphia in 2025
Developers tear down underutilized buildings to make way for mixed-use developments
CoStar Analytics
February 24, 2026 | 8:14 P.M.
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IN THIS ARTICLE
- Properties
- North Bldg
2101 Welsh Rd, Dresher, PA