| Business | Phone |
| Hudson City Clerk 520 Warren St, Hudson 12534 | (518) 828-1030 |
| Hudson City Mayor's Office 520 Warren St, Hudson 12534 | (518) 828-7217 |
| Town Clerk 600 Town Hall Dr, Hudson 12534 | (518) 828-4656 |
| Town Hall 2787 Atlantic Ave, Hudson 12534 | (518) 828-9389 |