Marin County Jail is operated by the Marin County Sheriff’s Office Detention Bureau at 13 Peter Behr Drive on the Civic Center campus in San Rafael, CA 94903. The main jail phone number is (415) 473-6655.

The Detention Bureau is responsible for the County Jail, court security, and inmate transportation. Jamie Scardina is Sheriff, Sylvia Moir is Undersheriff, and Captain Scott Harrington is Detention Services Bureau Commander.

The Sheriff’s custody pages provide guidance on custody, bail, visitation scheduling, and mail delivery, with related services through GTL, ConnectNetwork, and Pigeonly.