The recent structural failure at a high-rise building in Midtown Manhattan has sent shockwaves through the city’s real estate community. On July 7, a pair of columns collapsed at 235 East 42nd Street, prompting a mass evacuation and an ongoing investigation into the cause of the incident. The building, formerly the Pfizer headquarters, is undergoing a massive conversion into a 1,600-unit apartment complex.
The near-disaster has also cast a spotlight on the developer behind the project, MetroLoft, which is now facing scrutiny over its handling of the conversion process. As the city grapples with the aftermath of the collapse, questions are being raised about the safety of similar projects and the future of office-to-housing conversions in New York City.
The Collapse and Its Immediate Aftermath
The collapse occurred on the 21st floor of the 37-story high-rise, directly below a major horizontal expansion of 10 stories from the 23rd to 32nd floor. Workers at the site noticed severely bent structural columns and sagging floors above, prompting the evacuation of surrounding blocks and buildings. City officials warned of the potential collapse of the entire structure.
The Department of Buildings deemed the tower structurally sound by Tuesday night and crews began shoring up most of the floors. However, the mangled columns on the 21st floor have raised serious concerns about the integrity of the building’s structure. The Department of Buildings has not yet determined the cause of the near-catastrophic failure.
The Role of Reinforcing Steel
The engineering firm responsible for the structural plans, GACE Consulting Engineers, has blamed the incident on a failure to install crucial reinforcement on three floors, including the 21st floor where the collapse occurred. According to GACE Principal Engineer Chris Behan, the reinforcement from the 19th floor to the top of the 21st floor, which would have significantly increased the columns’ strength, was never installed.
City-approved structural drawings show that engineers from GACE called for reinforcing plates along the length of the two columns that buckled. However, two engineers who reviewed the plans obtained by Gothamist said photos of the contorted columns did not appear to match the drawings. The reinforcement would have turned the I-shaped columns into solid steel boxes.
Expert Opinions on the Structural Failure
Chris Cerino, past president of the Structural Engineers Association of New York, stated that the reinforcing steel prescribed in the plans did not appear to be installed. “It looked to me that it wasn’t there,” Cerino said. “It didn’t look like the drawings did.” Similarly, structural engineer Eric Cowley noted that the columns, covered in fireproofing material, did not appear to be reinforced. “I would have expected that to look like a box instead of an ‘I’,” Cowley said.
The Developer’s Response and Future Projects
MetroLoft, the developer behind the project, has faced criticism over its handling of the conversion process. A spokesperson for the developer did not immediately respond to a request for comment about GACE’s assertion when contacted Thursday. In an interview the day of the structural failure, MetroLoft Principal Nathan Berman said he suspected the two columns were not properly reinforced. Berman has declined interview requests from Gothamist.
Despite the controversy, MetroLoft is now eyeing its next project inside a 23-story Financial District high-rise at 1 Whitehall St. The firm bought the terraced tower on July 1, just three days after the severe structural failure halted construction at the former Pfizer headquarters. MetroLoft plans to partner with the private equity firm Quantum Pacific on the conversion, according to The Real Deal.
The Broader Implications for Office-to-Housing Conversions
The Pfizer Building debacle has sparked a criminal investigation by the Manhattan District Attorney’s Office and the city’s Department of Investigation. The near-catastrophe could have far-reaching consequences, not just for the building’s financial future but also for a wave of office conversion projects. New York City is in the midst of an office conversion boom, with state and city lawmakers enacting multiple measures to incentivize redevelopment projects to help address the city’s housing shortage.
Developers have completed 10 conversions, totaling 4,200 new housing units, since 2026. They have applied for permits or begun construction on 44 other projects, accounting for more than 13,700 apartments and condos. The incident at 235 East 42nd Street has raised questions about the safety and integrity of these projects, as well as the oversight and regulation of the conversion process.



