| Business | Phone |
| District Court Magistrate 328 Washington St, Traverse City 49684 | (231) 922-4595 |
| District Court Magistrate 400 Boardman Ave, Traverse City 49684 | (231) 922-4595 |
| Grand Traverse Circuit Court 328 Washington St, Traverse City 49684 | (231) 922-4701 |
| Grand Traverse Circuit Court 400 Boardman Ave, Traverse City 49684 | (231) 922-4701 |
| Probation & Parole Officer 328 Washington St, Traverse City 49684 | (231) 922-4790 |
| Grand Traverse Friend-Court 328 Washington St, Traverse City 49684 | (231) 922-4660 |