| Business | Phone |
| Circuit Court Probation 113 Chestnut St, Allegan 49010 | (269) 673-0300 |
| Circuit Court Probation 243 Dekalb Ave, Allegan 11205 | (718) 622-9249 |
| District Court 113 Chestnut St, Allegan 49010 | (269) 673-0400 |
| Friend Of The Court 113 Chestnut St, Allegan 49010 | (269) 673-0330 |
| Probate Court 2243 33rd St, Allegan 49010 | (269) 673-0250 |