| Business | Phone |
| Erwin Town Assessor's Office 117 W Water St, Painted Post 14870 | (607) 936-8913 |
| Erwin Town Code Enforcement 117 W Water St, Painted Post 14870 | (607) 936-4645 |
| Erwin Town Justice Office 117 W Water St, Painted Post 14870 | (607) 936-3122 |
| Erwin Town Sewer District 117 W Water St, Painted Post 14870 | (607) 962-3483 |
| Riverside Village Hall 35 Stanton St, Painted Post 14870 | (607) 962-0301 |