Peoria firefighters were called to a home at 1311 W. Moss Avenue at approximately 4:30 p.m. Tuesday after a police officer on the scene said the house was on fire.
Heavy smoke and flames could be seen coming the second-story.
A contractor said his crew had been working on the roof of the porch earlier, and the home was vacant.
Firefighters made a very aggressive interior attack with multiple lines and were able to bring the fire under control within 12 minutes of arriving on the scene.
The house was ventilated and crews used shop-vacs to vacuum water from the first floor.
Damage was contained to the second floor and the attic.
An investigator determined the fire was accidental due to the construction being completed on the house.
No injuries were reported.