ARC of Rockland July 9, 2018 By rpalmerwilc Arc of Rockland is the largest agency in Westchester County serving children, teens and adults with autism and other developmental disabilities.Phone 845-267-250025 Hemlock Dr, Congers, NY 10920ZIP 10920Website LinkTags ACCES-VR Vendor, Autism, developmental, vocational Directions to listing From: Current location Specific Address Travel Mode: Driving Public Transit Walking Cycling