The Windsor Fire and Rescue Services says it was a brush fire on Provincial Rd. near the 6th Concession which ended up spreading into a wrecking yard behind J & B Auto Parts on Thursday.
Investigators believe it was accidental.
No one was injured in the blaze, which sparked just before noon.
Fire officials have yet to release a damage estimate.
Provincial Rd. and the 6th Concession are now fully reopened to traffic as the Office of the Ontario Fire Marshal has completed its investigation.