Wednesday, February 25, 2026

Office Demolitions Spiked Across Philadelphia in 2025

 


By Brenda Nguyen CoStar Analytics

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square feet of office space was cleared from the market inventory as developers accelerated efforts to repurpose outdated and obsolete buildings. 

This culling of underutilized buildings is taking place amid continued softness in the office sector. Office availability has long hovered in double digits since before the pandemic, a symptom of the overbuilding that took place in the 1980s. Today, the local office market has an overall availability rate of 14%, well above the availability levels for retail, industrial and multifamily.

The decision to demolish a building generally follows if it is not financially viable for conversion to residential or another use. Some owners are opting to demolish existing structures and rebuild from the ground up. Many of the cleared sites are being repurposed to more resilient, in-demand uses, including apartments, retail, education and healthcare.

The most significant office demolition of 2025 was BET Investments' demolition of the former Prudential campus at 2101 Welsh Road in Upper Dublin. The 861,000-square-foot teardown will make way for Promenade East, a 90-acre mixed-use development that will include 600 apartments, townhomes, senior housing, retail space, a hotel and medical office space.

Smaller-scale demolitions include a 41,312-square-foot office at 700 Turner Way in Aston—the future site of a ChristianaCare micro-hospital—and an 86,622-square-foot building at 1200 W. Swedesford Road in Berwyn, which will be replaced by Bear Hill Elementary School.

With many office building conversions remaining prohibitively expensive, demolitions of obsolete office space are expected to gain further momentum over the next decade. While they won't fully resolve the office sector's long-standing oversupply issue, they represent a meaningful step toward a rebalancing.

www.omegare.com

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