A 1,388-foot office tower that runs entirely on electricity and emits no operational carbon is not what Park Avenue is known for. 270 Park Avenue is exactly that. JPMorganChase opened its new global headquarters in October 2025, replacing the 1960s Union Carbide building that once stood on the site with a 60-story tower built for how the bank works now.
Project Scope
Foster + Partners designed the 2.5-million-square-foot tower, with Adamson Associates as architect of record and AECOM Tishman managing construction. The structural challenge defined the project. The site sits directly over Grand Central’s rail throat, so the building lands on a small number of fan-shaped steel columns that thread between active tracks, lifting the tower’s base a full story above the street to open a public plaza. Severud Associates engineered the frame; New York City Constructors handled the steel.
Inside, 2.5 million square feet of column-light floor plates were laid out for flexible, daylight-heavy workspace rather than the cellular offices of the tower it replaced. Interiors came from Gensler, SOM, and STUDIOS.
Why It Matters
270 Park Avenue is the largest all-electric, net-zero-operational-emissions commercial building in North America. No gas service, no on-site combustion. Heating, cooling, and hot water run on electric systems tied to a grid the bank is sourcing from renewables, and the building is engineered to use roughly a quarter less energy than code requires. That’s the direction the incoming LEED v5 carbon requirements are pushing the whole market.
That matters because office towers are stubborn carbon sources, and most “green” skyscrapers still burn gas somewhere. Building a flagship headquarters with no operational emissions, on one of the most constrained sites in Manhattan, sets a marker for what large commercial developers can target rather than treat as aspirational. For a tower straddling a working rail yard, it’s also a reminder that the hardest engineering on a project often happens below the lobby.
Project Team & Details
| Developer | Tishman Speyer (Development Manager) |
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| Owner / Client | JPMorganChase |
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| Architect | Foster + Partners |
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| Consultants | Adamson Associates (Architect of Record)
Severud Associates (Structural)
Jaros, Baum & Bolles (MEP)
Gensler / SOM / STUDIOS (Interiors) |
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| General Contractor | AECOM Tishman |
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| Major Subcontractors | New York City Constructors (Steel Erection) |
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| Status | Completed |
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| Sustainability Certification | Net Zero Operational Emissions (all-electric) |
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| Funding Source | Private |
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