David Charles Holmes was 40 when he was last seen on July 11, 1983, in Contra Costa County, California. The last confirmed location for him was Pittsburg. He is classified as an endangered missing person and is described as a dependent adult, a detail that raises particular concern for his welfare.

Holmes is a white male with blond hair and blue eyes, about 6 feet 2 inches tall and weighing roughly 160 pounds. He was born December 30, 1942. There are few public details about the circumstances of his disappearance, and he has not been heard from since that July day.

If anyone in or around Pittsburg in 1983 remembers David Holmes or has information that could help, please share what you know with the Contra Costa County Sheriff’s Department.