| Business | Phone |
| Nassau Section 8-Housing 29 Church St, Nassau 12123 | (518) 766-3556 |
| Nassau Town Animal Control Po Box 582, Nassau 12123 | (518) 766-2944 |
| Nassau Town Code Enforcement Town Hall, Nassau 12123 | (518) 766-2305 |
| Nassau Town Supervisor 29 Church St, Nassau 12123 | (518) 766-3559 |
| Nassau Transfer Station 29 Church St, Nassau 12123 | (518) 766-2844 |
| Nassau Village Garage 40 Malden St, Nassau 12123 | (518) 766-3850 |
| Nassau Village Office 40 Malden St, Nassau 12123 | (518) 766-3044 |