The Shasta County CA Marshal's Jail is located at 1500 Court St, Room 206, call 530-225-5600 to find out about new arrests or outstanding warrants. This is a police jail for housing inmates immediately after their arrest. Local police departments are not built for long-term inmate holding, they are for very short-term stays because there are not enough cells. There are no visits, commissary or phone accounts available to the offenders.
If they are to remain incarcerated, it will be most likely to the Shasta County Sheriff's nearby facility.