55 West Monroe

Click an image to view larger version.


Height: Architectural 150.9 m / 495 ft
Height: Occupied 134.1 m / 440 ft
Height: To Tip 150.9 m / 495 ft
Floors Above Ground 41
Floors Below Ground 1
Tower GFA 79,710 m² / 857,991 ft²


Official Name 55 West Monroe
Other Names Xerox Center
Structure Type Building
Status Completed
Country United States
City Chicago
Street Address & Map 55 West Monroe Street
Postal Code 60603
Building Function office
Structural Material concrete
Energy Label LEED Gold
Construction Start 1977
Completion 1980

Companies Involved

Owner Jones Lang LaSalle, Inc.
Design Lucien Lagrange Architects; Murphy/Jahn Architects
Structural Engineer
• (not specified) Cohen-Barreto-Marchertas
Main Contractor Turner Construction Company

CTBUH Initiatives

Helmut Jahn Discusses His Lifetime's Work
18 Oct 2012 – Awards Symposium Video


City-Scapes: Transformations + Interventions
11 Jun 2013 – Helmut Jahn, JAHN

Lynn S. Beedle Lifetime Achievement Award: Archi-neering Tall
18 Oct 2012 – Helmut Jahn, Murphy/Jahn

To submit more information or donate images for this project, please use our submission portal.