| Business | Phone |
| Chamber Of Commerce 2365 Albany Post Rd, Walden 12586 | (845) 778-0514 |
| Meals For Golden Agers 125 W Main St, Walden 12586 | (845) 778-3360 |
| Montgomery Volunteer Ambulance Walden 12586 | (845) 778-5993 |
| Village Garage Bradley Ln, Walden 12586 | (845) 778-1724 |
| Village Manager 1 Municipal Sq, Walden 12586 | (845) 778-2177 |
| Walden Recreational Dept E Main, Walden 12586 | (845) 778-2655 |
| Walden Recreational Dept Municipal Sq, Walden 12586 | (845) 778-2655 |
| Walden Treatment Plant Bradley Ln, Walden 12586 | (845) 778-1125 |