California Highway Patrol officers describe the hit-and-run driver as a white man, 5 foot 10 inches tall, weighing about 200 pounds.
He was seen driving a red For Ranger pickup with swimming pool supplies in the bed of the truck. Authorities said the vehicle would have damage to the left side.
The suspect was last seen heading east on the 91 Freeway. Police said no one was injured in the crash.
City News Service contributed to this report.