The fire was reported at 3:15 a.m. at 106 El Camino Real, located just over a block from Vallejo Senior High School, according to Vallejo fire Battalion Chief Patrick Dunn.
The family was inside their home when the fire began and managed to evacuate the property safely. No injuries were reported, Dunn said.
The fire has since been contained and an investigator remains on scene, Dunn said.
