Willis Tower was $50 million. Since 2007, the building owners considered building a hotel on the north side of Jackson, between Wacker and Franklin, at the plaza that is the entrance to the tower's observation deck. The tower's parking garage is beneath the plaza. Building owners say the second building was considered in the original design. The plan was eventually cancelled as city zoning does not permit construction of such a tall tower there. Although Sears' naming rights expired in 2003, the building continued to be called the Sears Tower for several years. In March 2009, London-based insurance broker Willis Group Holdings
The Buckingham (Chicago) floor of the building for a total of 306 units. An indoor pool, sauna, laundry room, fitness center and open roof deck are located on the top floor. The Buckingham has 3 high-speed elevators that run the length of the building plus one elevator that runs from the first floor to each floor of the 4-story underground parking garage. The Buckingham is east of 340 on the Park. It appears (unlabelled) in front of Park Tower (Chicago) in the diagram below. The Buckingham (Chicago) The Buckingham, formerly known as Buckingham Plaza, is a 44-story all-residential condominium designed by Fujikawa Johnson