| Business | Phone |
| Town Justice 1 Town Hall Rd, Lake Katrine 12449 | (845) 382-1737 |
| Ulster Pump House 190 Fording Place Rd, Lake Katrine 12449 | (845) 382-1833 |
| Ulster Town Supervisor 1 Town Hall Rd, Lake Katrine 12449 | (845) 382-2765 |
| Ulster Whittier Sewer Trtmnt Ulster Landing Rd, Lake Katrine 12449 | (845) 336-2795 |