A fire on Wyandotte St. E between Hall Ave. and Moy Ave. is being deemed suspicious.
Windsor Fire and Rescue arrived at the scene of the blaze around 11pm Sunday, and say the flames had burned themselves out by 11:30pm.
Fire officials say damages to the building are estimated at $120,000.
There have been no reports of injuries in the fire.
The Windsor Police Service is taking over the investigation.