| Business | Phone |
| Allegan County Law Enforcement Allegan 49010 | (269) 673-1678 |
| Sheriff Department-Youth Svc 112 N Walnut St, Allegan 49010 | (269) 673-0521 |
| Sheriff Dept 112 N Walnut St, Allegan 49010 | (269) 673-0500 |
| Sheriff Dept-Accident Records 112 N Walnut St, Allegan 49010 | (269) 673-0568 |
| Sheriff Dept-Civil Process 112 N Walnut St, Allegan 49010 | (269) 673-0569 |
| Sheriff Dept-Detective Bureau 112 N Walnut St, Allegan 49010 | (269) 673-0520 |
| Sheriff Dept-Jail Admin 112 N Walnut St, Allegan 49010 | (269) 673-0530 |
| Sheriff Dept-Jail Inmate Info 112 N Walnut St, Allegan 49010 | (269) 673-0531 |
| Sheriff Dept-Patrol Div 112 N Walnut St, Allegan 49010 | (269) 673-0550 |