Permit problems and legal woes have plagued the “Windy City Rehab” team in the last year. The city held a hearing last week on four “Windy City Rehab” properties it had deemed “dangerous and unsafe.” The properties are to be kept vacant and secure until an April court hearing. A Lincoln Square couple, meanwhile, is suing Gramenos and Eckhardt over defects they say they found in their $1.36 million home, which was featured on the first season of the show.