Luis Ibarra (pictured) was last seen at the residence in the 5300 block of Engle Road about 3 p.m. today. He is considered at risk because of his mental condition, according to a Sheriff's Department news release.
Ibarra is described as Hispanic, 5 feet, 6 inches tall and weighing about 145 pounds. He was last seen wearing a black, long-sleeved button-up shirt and khaki pants.
Officials said he left the residence on foot.
Anyone with information regarding the youth's whereabouts is asked to call the Sheriff's Department at (916) 874-5115.