The victim, a 22-year-old man, was shot at about 6:20 p.m. while he was driving in a car with several other people in the 200 block of South Eighth Street, Lt. Shawn Pickett said.
The man was listed in critical condition when he was brought to a local hospital for treatment, Pickett said.
French said police now believe he will survive his injuries.
Police did not have a description of the shooter Tuesday morning, and no suspects had been identified, French said.
Anyone with information about the case is asked to call the Police Department's tip line at (510) 232-TIPS.