155 North Wacker

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Height: Architectural 194.6 m / 638 ft
Height: Occupied 178.8 m / 587 ft
Height: To Tip 194.6 m / 638 ft
Floors Above Ground 45
Floors Below Ground 2
# of Elevators 21
Tower GFA 115,906 m² / 1,247,602 ft²
# of Parking Spaces 163


Official Name 155 North Wacker
Structure Type Building
Status Completed
Country United States
City Chicago
Street Address & Map 155 North Wacker Drive
Postal Code 60606
Building Function office
Structural Material composite
  • Core: Reinforced Concrete
  • Columns: Steel
  • Floor Spanning: Steel
Energy Label LEED Gold
Construction Start 2007
Completion 2009
Official Website 155 North Wacker
Rankings Click arrows to view the next taller/shorter buildings
Regional Ranking #302 Tallest in North America
City Ranking #41 Tallest in Chicago

About 155 North Wacker

While designing 155 North Wacker, the development team strived to create unique space at the lobby level while incorporating space planning efficiencies for a 2,500 square meter (27,000 RSF) floor plan for tenants with exceptional views, ultimately situating the building 15 meters (50ft) at a minimum from all of its neighbors, providing exceptional light and air.

Tenant-desired amenities and sustainable design elements were also at the forefront of considerations for the building. At lobby level, the building emphasizes continuity of space while highlighting its surroundings with a distinct exterior 14 meter (46ft) tall arcade that provides pedestrians with a protected area while showcasing the building’s entrance. This arcade leads pedestrians through the walkway and then opens to a 836 square meter (9,000 sq ft) public park, which will tie the building to its surrounding area while creating an architecturally significant corridor along Randolph Street that extends eastward to Millennium Park. The park will be developed and maintained by the building and donated to the City of Chicago.

CTBUH Initiatives

Chicago Regional Tour
29-30 Oct 2015 – Tour Report

EMI Lead Chicago Tall-Building Study Trip
25-29 May 2015 – Tour Report


How Tall Buildings Meet the Ground is as Important as How They Meet the Sky
20 Sep 2012 – James Goettsch, President, Goettsch Partners

Research Papers

How Tall Buildings Meet the Ground is as Important as How They Meet the Sky
Sep 2012 – CTBUH 2012 9th World Congress, Shanghai

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