Authorities have charged Amy Ochetto, 43, of Windwood Drive in the Cardiff section of the township.
According to police, Ochetto used some kind of flammable liquid to start the fire shortly after midnight while her 12-year-old daughter and another adult were inside.
Both of them escaped the home without injury.
Police did not say why they believe Ochetto was trying to burn the house.
Ochetto is charged with aggravated arson, two counts of aggravated assault, and endangering the welfare of a child.
She is being held on $100,000 cash bail.