Manhattan High-Rise Stabilized After Columns Buckle in Midtown
A 37-story Midtown Manhattan high-rise that sparked fears of a potential collapse after load-bearing structural columns buckled on the 21st floor has been declared stable, allowing most evacuated residents to return home. Crews worked through the night to install temporary shoring as investigators work to determine what caused the failure.
The Incident
The structural emergency unfolded shortly after 8 a.m. on Tuesday, July 7, when construction workers at the former Pfizer headquarters at 235 East 42nd Street discovered two load-bearing columns had buckled, along with sagging floors and cracks extending from the 21st to the 26th floors, according to Fox News. The site safety manager immediately notified the Department of Buildings, and the building was evacuated by 8:11 a.m.
FDNY and DOB officials responded swiftly, establishing a collapse zone and a “frozen zone” stretching roughly from East 40th to East 45th Streets between First and Third Avenues. Seven to nine nearby buildings were evacuated, including a school, diplomatic offices, and hotels in the bustling corridor near Grand Central Terminal. No injuries were reported, and all workers were accounted for.
Stabilization Efforts
By Tuesday evening, monitoring equipment indicated no further movement in the damaged structure, allowing engineers to enter the building and begin emergency stabilization. Contractors installed temporary shoring and struts to transfer loads away from the compromised columns. As of Wednesday, July 8, temporary shoring and beams had been installed from floors 18 through 23, with work continuing on floors 17 to 24, ABC7 NY reported.
“Right now, we have been in a consistent and stable and safe situation, we have been able to bring in a plan and materials to stabilize the impact,” NYC Buildings Commissioner Ahmed Tigani said Wednesday. Tigani noted that the building underwent “an extensive, exhaustive review” during the past two years and emphasized that investigators will determine whether the incident stemmed from design, construction sequencing, or another factor.
Most evacuation orders were lifted by Wednesday, though five buildings near the former Pfizer headquarters remain under evacuation orders, including a school and hotel. East 42nd and 43rd Streets between 2nd and 3rd Avenues remain closed to vehicles.
A Troubled History
The building at 235 East 42nd Street — the former global headquarters of Pfizer, now being converted into more than 1,600 luxury apartments — had a documented history of safety issues prior to the structural failure. According to records obtained by the New York Post, the city Department of Buildings issued seven violations between July and December 2025, totaling more than $32,000 in fines.
The violations included a falling glass panel in July 2025, a metal panel that fell from the 33rd floor in August 2025, a worker falling six feet from an unsecured ladder in December 2025, failure to adhere to submitted plans, and lack of pre-shift safety communication. More than two dozen bystander complaints were also submitted to the DOB, reporting debris falling from “high heights” and work beyond approved permits.
At least four separate lawsuits were filed against the building in 2025 and 2026 alleging unsafe work conditions, including a severe injury during demolition and ladder-related falls.
Developer’s Response
Nathan Berman, founder of developer MetroLoft, told The Wall Street Journal that additional weight from the project’s upper-floor expansion likely contributed to the damage. The 33-story tower had been vertically expanded with an 11-story addition that had already topped out.
“Ninety-five percent of the building, the structure is sound and intact,” Berman told the Journal. “There is no way that this corner of a small extension all of a sudden topples this building.” He characterized the incident as “nothing more than a typical construction mishap,” a characterization that contrasts sharply with city officials’ description of an “extremely serious” structural emergency.
Broader Implications
The incident raises significant questions about the safety of office-to-residential conversions, particularly those involving vertical expansion of existing structures. Mayor Zohran Mamdani has championed such conversions as a key strategy to address New York City’s housing affordability crisis, but this event may trigger increased scrutiny and potentially new regulations.
“I do continue to consider the conversion of office space into residential space as part of our answer to the housing crisis,” Mamdani said Wednesday. “I also consider that we have to do so safely and in a way that is fully accountable.”
The redevelopment — one of the largest office-to-residential conversions in U.S. history — combines two former Pfizer office buildings into approximately 1.3 million square feet of residential space, with more than 400 of the 1,600 apartments designated as affordable. Completion was targeted for 2027, but the structural failure is expected to cause significant delays.
What’s Next
As of Wednesday evening, the building is declared stable but the investigation into the root cause continues. The Engineering News-Record reported that officials are examining whether the failure stemmed from a design flaw, construction sequencing error, material defect, or a combination of factors. FDNY Chief John Esposito said officials were primarily concerned about “localized structural failure” rather than the entire steel-framed building collapsing.
Commissioner Tigani summed up the situation succinctly: “What is happening now is an investigation of what is the cause of why the undermining happened.” The answer to that question could have lasting consequences for New York City’s ambitious housing agenda and the future of adaptive reuse construction across the country.