Crews encountered heavy smoke and flames at a house in the 100 block of North Irwin Street this morning.
The fire was reported around 7:44 a.m.
A witness who was driving her child to school reported seeing flames extending to a neighboring house.
Dayton firefighters were able to contain the fire. it was located primarily in the rear of the vacant structure.
No one was injured.
The cause of the fire is under investigation.