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One Madison Park


Shared By



Slazer Enterprises


  • Interior Designer: Thomas Juul-Hansen
  • Construction Manager: Bovis Lend Lease
  • Structural Engineer: WSP Cantor Seinuk
  • Civil Engineer: Langan Engineering & Environmental Services
  • Electrical Engineer: MG Engineering
  • Mechanical Engineer: MG Engineering
  • Plumbing Engineer: MG Engineering
  • Israel Berger & Associates
  • W&W Glass
  • Atlantic Hoisting & Scaffolding
  • Contractor Breeze National
  • Civetta Cousins
  • Century-Maxim Construction Corp.
  • Epic Mechanical Contractors
  • Federated Fire Protection
  • Five Star Electric Corp.
  • Fujitec America
  • Hayward Baker Geotechnical Construction
  • Pace Plumbing Corp.
  • Port Morris Tile & Marble Corp.
  • R&J Construction
  • Universal Building Supply

Project Status



180,431 sq. feet

Construction Cost




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Project Description

CetraRuddy • Like a diagram of what a tall building should be, One Madison Park rises 620 feet in a single stroke: a stack of glazed boxes cantilevered off of a black spine. Retail space, a lobby, and high-end amenities, such as a spa and media room, fill the base of the lean 51-floor residential tower. Located on the southeast corner of Madison Square Park, just a block away from another iconic skyscraper, the historic Flatiron Building, CetraRuddy’s design won over the jury with its striking form. “It’s just a minimal gesture that has maximal effect,” remarked Donna Robertson.

The building’s skinny 12:1 proportion is the result of purchasing air rights for the narrow site. By applying a strategic approach to the structural system—interior reinforced concrete shear walls and a rooftop slosh tank mitigate any lateral movement—the architects were able to free up the exterior curtain walls so that each of the 71 luxury apartments comes with a sweeping view of Manhattan.
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