The Warwick Allerton - Chicago is a 25-story 360 ft hotel skyscraper on the Magnificent Mile in the Near North Side community area of Chicago, Illinois. It was the first building in the city to feature pronounced setbacks and towers resulting from the 1923 zoning law. The building was designated a Chicago Landmark on May 29, 1998. When the Allerton Hotel first opened, it had fourteen floors of small apartment-style rooms for men and six similar floors for women, with a total of 1,000 rooms.