Chicago Architecture Info


225 North Columbus Drive
Chicago, Illinois 60601
Basic Information
Designed by Loewenberg Architects and Studio/Gang/Architects
Cost $475,000,000
Type Skyscraper
Floors: 82
Neighborhood: The Loop
More Information
  • Hotel rooms: 334
  • Residences: 718
  • Apartments: 474
  • Condominiums: 264
  • Floor space: 1,900,000 square feet
  • Architect: Jeanne Gang
  • Architect: Jim Loewenberg
  • Design architecture firm: Studio Gang Architects
  • Architect of record: Loewenberg & Associates
  • Developer: Magellan Development
  • It is often said that this is the tallest building designed by a woman. This is incorrect. However, it is the tallest building in the United States designed by a woman.
  • The hotel has a 20,000 square-foot ballroom.
  • This building formerly used the address 430 East Waterside Drive.
  • This building's balconies have a total of seven miles of railings.
  • This building rests on 31 main rock caissons drilled 112 feet deep and six feet into a layer of dolomite. These are supplemented by 274 smaller bell caissons sunk into clay.
  • During construction, crews called the areas where the balconies fade away "burn zones."
  • This was one of the filming locations for the 2011 movie Transformers 3.
  • Because of the building's rippling balconies, each floor plate is unique and each level's concrete pour was different.
  • September 1, 2006: Groundbreaking.
  • October 3, 2008: Crain's Chicago Business reported that Strategic Hotels & Resorts has pulled out of its $84 million deal to buy 15 floors of this building to expand the Fairmont Hotel across Columbus Drive.
  • 2009: Plans to develop the hotel portion of this building were put on hold when the developer's hotel partner backed off its expansion plans.
  • November 16, 2009: This building was connected to the Chicago pedway system.
  • May 14, 2010: Carlson Hotels Worldwide bought the hotel portion of this building and announced plans to spend $125 million developing it into the first Raddison Blu in America.
  • September, 2010: This building was named #22 on Chicago Magazine's list of the Top 40 Buildings in Chicago.
  • November, 2010: Construction began on the hotel portion of this project.
  • December, 2011: A Radisson Blu opened in this building's hotel space.