The Richelieu Flats
|Formerly known as||
The Karpen Building
The Hotel Richelieu
318 South Michigan Avenue
Chicago, Illinois 60604
- Residences: 5
- The residential portion of this building consists of four 2,650-square-foot homes, each taking up an entire floor of the building. At the top is a fifth home taking up two full stories for 4,300 square feet.
- Residential conversion developer: Metropolitan Properties
- Residential conversion architecture firm: Pappageorge Haymes
- July, 2012: Plans were announced to convert this office building into luxury residences.