Pittsburgh Fire, EMS and Police responded to a residential fire on the 7900 block of Maderia Street around 11:30 p.m.
Initial Fire crews encountered heavy smoke and flames coming from a two-story house. The fire went to three alarms.
It took about an hour to contain the fire. Damage was extensive. No neighboring structures were damaged.
Two adults and two children self-evacuated and were not injured. Two dogs were also safely evacuated. The Red Cross will assist the family with housing.
The Fire Investigation Unit, made up of Pittsburgh Police detectives and Pittsburgh Fire investigators, will determine the cause of the fire.