Willis Tower (formerly Sears Tower)

Originally built in 1974 and named the Sears Tower by the prestigious architectural firm of Skidmore, Owings and Merrill (SOM), the tower became a fundamental part of the beautiful Chicago skyline. The tower covers 2 city blocks and contains more than 4.4 million square feet of space. The highest occupied floor is 1431 feet above ground level, the foundation and slabs used over 2,000,000 cubic feet of concrete, 76,000 tons of steel, has 106 cab elevator system and measures 442 meters or 1450 feet in height. As a part of the rental agreement with Willis Group Holdings Ltd, the structure was renamed in 2009 to the Willis Tower.

A bustling community of business, tourism and culture, Willis Tower (formerly known as the Sears Tower) is so much more than North America's tallest building. It’s home to large well-known companies as well as hundreds of thriving businesses run by smart, passionate people. More than an office building, it’s a cultural landmark and iconic Chicago tourist attraction. Willis Tower is a pivotal point of reference – from across town, from financial centers on both coasts, and from Europe, Asia, and the Middle East. It’s a building with retail and commercial office space at heart, but also inspires tens of thousands of visitors to take in the amazing views of the city and experience the breathtaking Ledge.

With 110 stories and located in the popular area of Chicago's Loop, Willis Tower is not to be missed! Be sure to step out over the ledge on the 103rd floors most famous Skydeck, open 365 days a year.

Details & Events

Local street map. Click "+" or "-" to zoom in and out. Click on map to drag and position the view.

  • Willis Tower (formerly Sears Tower)
  • 233 S. Wacker Dr
  • Chicago, IL 60606
  • 312-875-0066
  • Directions
  • Web site

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