The 17-year-old girl was crossing Soto Road, near Culp Avenue, at around 9:15 p.m. when she was hit by a white car.
The car sped southbound on Soto Road towards Harder Road, according to police.
The girl was taken to Eden Hospital with serious injuries and is in stable condition.
The car was described as a possible Toyota Corolla or Volkswagen Jetta, police said.
Anyone with information regarding the incident or vehicle is urged to call police at (510) 293-7099 or (510) 293-7139.