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Historic One Madison Building


Life at the crossroads.

Madison Square Park was built at the intersection of Broadway and Fifth Avenue. One Madison stands majestically, overlooking these important crossroads which have changed dramatically over time.
1800s One Madison Building
Current One Madison Building
2023 One Madison Building

01  Transformation

Time transforms an intersection.

Take a look at the dramatic changes to the building site and see how a four-story brick building becomes a 21st century architectural icon.


Slide to see the transformation.


  • 1800s
  • 2023

02 Timeline

Incremental advances over time.

This series of photographs provides an interesting trip through two centuries of development of one block of Midtown South.
Pre-Metropolitan Life Complex
Original Metropolitan Life Home Office Building
Metropolitan Life’s Home Office Building Addition
New MetLife Tower Constructed
Bridge Connects MetLife Tower to New Annex
North Building (11 Madison) Phases I and II Completed 1940 Phase III Completed 1953
South Building (One Madison) Constructed from 1953–1960 in Two Phases
SLG Acquires One Madison (Inclusive of the Clock Tower) from MetLife, representing the first trade since the property was built.
SL Green strategically sells the Clock Tower (5 Madison Avenue), which is later developed into the Edition Hotel.
Mariott Edition Hotel opens at Five Madison Avenue, providing an additional amenity to One Madison Avenue and the neighborhood.
SLG Announces Plans to Redevelop One Madison into a One-of-a-Kind Trophy Asset.
Upon opening in 2023 One Madison will bring a new level of sophistication to a vibrant neighborhood.
  • 1800s
  • 1893
  • 1898
  • 1909
  • 1920
  • 1940
  • 1953
  • 2005
  • 2007
  • 2015
  • 2018
  • 2023