| Business | Phone |
| Probate Court 605 N Birch St, Kalkaska 49646 | (231) 258-3330 |
| Kalkaska County Clerk 605 N Birch St, Kalkaska 49646 | (231) 258-3300 |
| Kalkaska County Judge 605 N Birch St, Kalkaska 49646 | (231) 258-3335 |
| 87th District Court Probation 605 N Birch St, Kalkaska 49646 | (231) 258-9035 |
| Circuit Court Parole & Prbtn 605 N Birch St, Kalkaska 49646 | (231) 258-6911 |
| County Magistrate 605 N Birch St, Kalkaska 49646 | (231) 258-9031 |
| Friend Of Court 605 N Birch St, Kalkaska 49646 | (231) 258-9744 |