| Business | Phone |
| Canal Corp Lock 4 50 Washington St, Waterloo 13165 | (315) 539-3242 |
| Commissioner Of Jurors 48 W Williams St, Waterloo 13165 | (315) 539-7225 |
| Family Court 48 W William St, Waterloo 13165 | (315) 539-4917 |
| Judges Chambers 46 W Williams St, Waterloo 13165 | (315) 539-7507 |
| Surrogate Court 48 W Williams St, Waterloo 13165 | (315) 539-7531 |