The Sheriff's Office provides law enforcement services to Guadalupe on a contractual basis. This contract calls for staffing one beat during the day shift hours, and two beats during the evening hours. A detective is also assigned to work cases requiring investigative expertise. Supervision, support services and Community Police Deputy are also provided by the contract.
- The Sheriff's substation is located at Town Hall at 9241 S. Avenida del Yaqui.
- The Community Police Deputy, Deputy Daniel Beck