The 46-year-old woman was discovered in Beckett Avenue, Meir, at about 13:00 BST on Sunday.
Officers have arrested two men, aged 47 and 34, and a 26-year-old woman, Staffordshire Police said.
The force said it was currently treating her death as suspicious and asked anyone with information to get in touch.
Three people have been arrested following the "suspicious death" of a woman who was found in Stoke-in-Trent.