| Business | Phone |
| Peninsula Township Supervisor 13235 Center Rd, Traverse City 49686 | (231) 223-7322 |
| Peninsula Township Treasurer 13235 Center Rd, Traverse City 49686 | (231) 223-4484 |
| Traverse City Assessor 400 Boardman Ave, Traverse City 49684 | (231) 922-4450 |
| Traverse City Treasurer 400 Boardman Ave, Traverse City 49684 | (231) 922-4430 |