| Business | Phone |
| Chatham Village Clerk 77 Main St, Chatham 12037 | (518) 392-5821 |
| Chatham Village Pump House 77 Main St, Chatham 12037 | (518) 392-2525 |
| Chatham Village Sewage Plant Brookside Ave Ext, Chatham 12037 | (518) 392-5877 |
| Ghent Town Justice 25 Church St, Chatham 12037 | (518) 392-9476 |