It happened Wednesday just after 10:30 pm on Valentine Avenue near Floradora Avenue.
Officers say the driver hit 33-year-old Rochelle Rodriguez while she was walking in the street and then drove off.
Rodriguez was pronounced dead at the scene.
Investigators believe the suspect may have been driving a GMC Sierra pickup truck between the years 1999 to 2007. The truck was dark-colored, had tinted headlight lenses, and may have damage to the vehicle. Witnesses said the truck might be lifted.
Anyone with information is asked to call the California Highway Patrol.
The crash is still under investigation.