2021 Tennessee Code
Part 1 - Residences of Persons With Disabilities
§ 13-24-102. Homes in Which Persons With Disabilities Reside Classified as Single Family Residence

For the purposes of any zoning law in Tennessee, the classification “single family residence” includes any home in which eight (8) or fewer unrelated persons with disabilities reside, and may include three (3) additional persons acting as support staff or guardians, who need not be related to each other or to any of the persons with disabilities residing in the home.