Arc of Westchester Return to Directory Description Empowers children, teens and adults with intellectual and developmental disabilities, including individuals on the autism spectrum, to achieve their potential.Website https://www.arcwestchester.org/Phone 914 696-7223Address 70 West Red Oak LaneCity White PlainsNY10604Categories All, Health & Well-Being, Social Services November 6, 2017 5:18 pm | by TanyaDirectory Categories: All, Health & Well-Being, and Social Services.