The Mariposa County Adult Detention Facility is a Type II facility operated in accordance with applicable federal and state law. The jail is a division of the Mariposa County Sheriff’s Office and is staffed 24 hours a day.
The county lists the adult detention facility at 5379 Highway 49 N, Mariposa, CA 95338, with a mailing address of P.O. Box 727, Mariposa, CA 95338. The jail’s public phone line is (209) 966-3616, and jail operations questions may be referred to the Captain’s Office.
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