Phoenix City Square, formerly Kent Plaza and the Rosenzweig Center, is a mixed use high rise complex covering 15 acres at 3800-4000 N. Central Ave. in Phoenix, Arizona. The project was developed by the Del Webb Corporation in 1962. The complex features 3 office towers, a hotel, an open-air retail plaza, and a 1200-car parking gargage. City Square was designed by the architectural firm of Flatow, Moore, Bryan & Fairburn. The towers were constructed in 1962, 1964, and 1971. 3800 Tower is 194,482 square feet (18,068.0 m2); 3838 Tower is 236,094 square feet (21,933.9 m2); and 4000 Tower is 295,797 square feet. There is also a large 35,000-square-foot (3,300 m2) Fitness Center, known as Sports Club at City Square, that is part of the complex.