Second Leiter Building Second Leiter Building The Second Leiter Building, also known as the Leiter II Building, the Sears Building, One Congress Center, and Robert Morris Center, is located at the northeast corner of South State Street and East Congress Parkway in Chicago, Illinois. The building is not to be confused with the present Willis Tower, formerly the Sears Tower, constructed and owned by the famous nationwide mail-order firm Sears, Roebuck & Company. This landmark of the Chicago school of architecture gained fame for being one of the earliest commercial buildings constructed with a metal skeleton frame remaining in the United States. Built
Joshua Sears Building supply store occupied one of the smaller storefronts for over twenty years. At one point the building's upper floors, originally intended for office space, were divided into seven apartments. On August 3, 1982, it was added the National Register of Historic Places. As of 2005 the building housed a religious bookstore and a real estate office. In 2015 the building was purchased by Local attorney Sim Osborn and his wife Monica Hart, the couple bought the building with plans to preserve its historic features and aesthetics for future generations. History Joshua Sears Building The Joshua Sears Building is a historic