Police said gunfire erupted on the 3000 block of Rorer Street around 10:38 p.m. Sunday.
Police said the 19-year-old was shot in the neck.
She was taken by private vehicle to the hospital.
Bullet holes could be seen in a window at the home.
Police said more than 12 shelling casings were found littered at the scene.
Philadelphia police are continuing to investigate.