| Business | Phone |
| Christ Church Episcopal 431 Union St, Hudson 12534 | (518) 828-1329 |
| Christian Science Society 19 Ginsburg Ln, Hudson 12534 | (518) 828-1449 |
| Church Of Christ 20 Macintosh Dr, Hudson 12534 | (518) 828-6679 |
| Emanuel Lutheran Church 20 S 6th St, Hudson 12534 | (518) 828-0872 |
| First Presbyterian Church 369 Warren St, Hudson 12534 | (518) 828-4275 |
| First Reformed Church 52 Green St, Hudson 12534 | (518) 828-1311 |
| Hudson Presbyterian Church 15 S 4th St, Hudson 12534 | (518) 828-9388 |
| Jehovah Witness 27 Bridge St, Hudson 12534 | (518) 828-6011 |
| Mt Pleasant Reformed Church County Route 14, Hudson 12534 | (518) 828-6540 |
| Peoples Bible Church 615 State Route 23b, Hudson 12534 | (518) 851-9811 |
| Rock Solid Church-Columbia Cty 334 Union St, Hudson 12534 | (518) 828-2444 |
| Sacred Heart Lady-Mt Carmel 442 Fairview Ave, Hudson 12534 | (518) 828-8775 |
| Shiloh Baptist Church 14 Warren St, Hudson 12534 | (518) 828-6861 |
| St John's Lutheran Church N 6th & Columbiaamp;, Hudson 12534 | (518) 828-1677 |
| St Mark's Lutheran Church 8 Storm Ave, Hudson 12534 | (518) 828-9514 |
| St Mary's Church 429 E Allen St, Hudson 12534 | (518) 828-1334 |
| St Michael's Ukrainian Orthdx 59 Partition St, Hudson 12534 | (518) 828-3121 |
| State Street Ame Zion Church 201 State St, Hudson 12534 | (518) 828-0718 |
| Trinity United Methodist Chr 555 Joslen Blvd, Hudson 12534 | (518) 828-0226 |