AMA Plaza

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Height: To Tip
211.8 m / 695 ft
Height: Architectural
211.8 m / 695 ft
AMA Plaza Outline
Floors Above Ground
# of Elevators
Tower GFA
126,258 m² / 1,359,030 ft²
# of Hotel Rooms


Official Name AMA Plaza
Other Names Langham Chicago, IBM Building, IBM Plaza
Structure Type Building
Status Completed
Country United States
City Chicago
Street Address & Map 330 North Wabash Avenue
Postal Code 60611
Original Function office
Current Function hotel / office
Structural Material composite
  • Core: Reinforced Concrete
  • Columns: Steel
  • Floor Spanning: Steel
Energy Label LEED Silver
Construction Start 1971
Completion 1972
Retrofit End 2013
Official Website 330 North Wabash
Rankings Click arrows to view the next taller/shorter buildings
Regional Ranking #204 Tallest in North America
City Ranking #26 Tallest in Chicago

Companies Involved

Developer Oxford Capital Group, LLC; Prime Group Realty Trust
Design C.F. Murphy Associates; Ludwig Mies van der Rohe
Structural Engineer
Design C.F. Murphy Associates
Other Consultant
• Interiors Lohan Anderson
• Property Management JLL
Material Supplier
• Elevator Otis Elevator Company
• Fire Proofing Grace Construction Products

CTBUH Initiatives

CTBUH Staff Given Tour of AMA Plaza
13 Dec 2013 – Tour Report

Research Papers

Tall Buildings in Numbers: 50 Years of Tall Building Evolution
Oct 2019 – CTBUH Journal 2019 Issue IV

Dynamic Interrelationship between the Evolution of the Structural Systems and Façade Design in Tall Buildings
Mar 2018 – International Journal of High-Rise Buildings Volume 7 Number 1

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