Mono County Probation is administered by Karin Humiston, Chief Probation Officer.
Under the direction of Presiding Judge, the Mono County Administrator, and the Board of Supervisors, Probation Services administers adult and juvenile probation.
Mono County Probation maintains two offices in Mammoth Lakes and Bridgeport. Office hours are Monday through Friday from 8:00 a.m. through 5:00 p.m. The Mammoth Lakes office is located on the 3rd floor of the Sierra Center Mall, Old Mammoth Road, Mammoth Lakes. The Bridgeport office is located at 57 Bryant Street in Bridgeport. The telephone number is (760) 932-5570. All correspondence is received at P.O. Box 596, Bridgeport, CA 93517.
Mono County does not operate a juvenile hall. El Dorado County Juvenile Treatment Center is used to house Mono County juvenile offenders. The El Dorado County Juvenile Treatment Center is located at 1041 Al Tahoe Blvd., South Lake Tahoe, CA. 96150. The telephone number is (530) 573-7990.