Authorities say an at-risk woman who has been missing from a Castro Valley convalescent home for three weeks contacted the facility over the weekend, asking for money.
Alameda County sheriff's officials say they are concerned about the well-being of Maya Winebrenner, 20, because she sounded distressed when she called the facility on Saturday.
Sheriff's Sgt. Scott Dudek said Winebrenner may be staying in a home in San Leandro with men who may be taking advantage of her condition.
Winebrenner takes medication for mood and anxiety disorders. She was seen leaving the on Redwood Road on Jan. 24.
Winebrenner, who turned 20 on Feb. 1, was residing at the home while waiting for foster placement.
According to staff at the facility, Winebrenner had been looking forward to being placed in a new home, has never missed celebrating her birthday and has never been away from the facility for this long.
Winebrenner, who also suffers from a mild mental disability, left the home without her medication, according to the sheriff's office.
She was last seen in the area of Taco Bell and Safeway on Foothill Boulevard in Hayward, where she was known to stand outside stores and ask for cigarettes or money, according to the sheriff's office.
The open campus convalescent home does not enforce a curfew, but they strongly recommend to residents they return to the facility by 10 p.m. Residents are not allowed to stay away from the home for days at a time.
Residents range in age from 18 to 59.
Winebrenner was last seen wearing a red and black flannel jacket.
Anyone with information about her whereabouts is asked to contact Alameda sheriff's Sgt. Scott Dudek at (510) 667-7478.