Franklin Tower in Philadelphia before and after it was converted into residences.
Franklin Tower in Philadelphia before and after it was converted into residences.
  • With offices empty and housing scarce, commercial buildings are being turned into homes more often. 
  • Architects say the hardest part of these conversions is picking the right building.
  • After that, they have to do everything from adding stairs to cutting out the centers of structures. 

Vacant downtown office buildings may be the next SoHo lofts. That is, after they go through the costly process of being converted into apartments and condos.