"Drug users and dealers" and "discarded needles" are among the concerns raised about plans for South Shields.
The application is seeking permission to formally designate one property in Seafield Terrace a six-bedroom house in multiple occupation (HMO) and a second a two-person residential property.
Despite an indication from the council's planning department that it should be approved, the proposals have provoked opposition, including a petition, from people living nearby.
According to one objection submitted to the council: "The police are at the property on a regular basis, usually at some unsociable time either to arrest someone or following a complaint."
The scheme, is due to be considered by South Tyneside Council's Planning Committee on 18 February.