| Business | Phone |
| Monhagen Lake Watchman Vanduzer Rd, Otisville 10963 | (845) 386-2033 |
| Mount Hope Planning Board 1706 Route 211, Otisville 10963 | (845) 386-1141 |
| Mount Hope Supervisor 1706 Route 211, Otisville 10963 | (845) 386-2211 |
| Mount Hope Town Sewer Plant Elm Rd, Otisville 10963 | (845) 386-9962 |
| Mt Hope Building Inspector 1706 Route 211, Otisville 10963 | (845) 386-9949 |
| Mt Hope Town Justice 7 Baker St, Otisville 10963 | (845) 386-5303 |
| Otisville Town Justice 11 Baker St, Otisville 10963 | (845) 386-1004 |
| Otisville Town Justice 66 Highland Ave, Otisville 10963 | (845) 386-1004 |
| Village Of Otisville 66 Highland Ave, Otisville 10963 | (845) 386-5172 |