343 Madison Avenue Secures Long-term Tenant In Midtown, Manhattan

343 Madison Avenue. Rendering courtesy of Volley STudio.343 Madison Avenue. Rendering courtesy of Volley STudio.

Starr Insurance Companies has signed a 20-year lease to occupy approximately 275,000 square feet at 343 Madison Avenue, a 46-story commercial skyscraper under construction in Midtown East, Manhattan. Designed by Kohn Pedersen Fox and developed by BXP, the 844-foot-tall structure will yield 930,000 square feet of office space. Starr will relocate its headquarters to floors 16 through 27 in the tower. The property is located between East 44th and 45th Streets.

Office amenities at the skyscraper will include a double-height, client-exclusive club on the upper floors, indoor/outdoor terraces, a lobby café, and wellness-oriented facilities such as bicycle storage, cabanas, and showers. Flexible floor plates with high ceilings and private terraces are intended to support a variety of workplace configurations.

Rendering of 343 Madison Avenue, courtesy of BXP.

Notably, 343 Madison Avenue is targeting multiple sustainability and wellness certifications, including LEED Platinum, Well Core, Energy Star 85+, Fitwel, and WiredScore Platinum. The building will operate with a fully electric design and no on-site combustion.

The property is located in close proximity to Grand Central Terminal, providing access to the 4, 5, 6, 7, and S trains as well as the Metro-North and Long Island Rail Road via Grand Central Madison.

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5 Comments on "343 Madison Avenue Secures Long-term Tenant In Midtown, Manhattan"

  1. Did KPF suddenly hire some architects from SOM, because this is soulless to a degree usually only Skidmore can accomplish??

  2. Joseph J Korom Jr | January 10, 2026 at 2:17 pm | Reply

    Soulless? Soulless? What’s “soulless” about this building? I feel it’s a sophisticated, elegant, rational, straightforward and an altogether handsome design.

  3. Looks like more garbage from the 60s to me. I remember hating SOM as a teenager for that boring post-war look.

    • What do you not understand about corporate clients seeking high ceilings, column-free floorplates, and as much light as possible? This design elegantly meets that need. You cannot duplicate that in a masonry-heavy building. The NIMBY haters here will never be satisfied with anything glass. Not everything can be a RAMSA-style building, nor should it be. This design compliments the Park Avenue and Madison Avenue midtown corridors very well.

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