We are the largest agency in Westchester County supporting children, teens and adults with developmental disabilities, including individuals on the autism spectrum, and their families.

Over 700 employees provide nearly 2,000 people throughout the county with a broad range of innovative and effective programs and services designed to foster independence, productivity and participation in community life.


Empower & Inspire

Our mission is to provide innovative supports for children and adults with developmental disabilities and their families, to build independence, achieve personal goals and strengthen community participation.
Our vision is a world of opportunity where people with developmental disabilities live, work, learn and contribute.
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The Arc Westchester was established in 1949 as day school for children with developmental disabilities in New York State.

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Board of Directors

Meet our agency and foundation board members and executive leaders. Find out more about the leadership at The Arc Westchester.

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The Arc Westchester has grown to one of the largest non-profit organizations serving those with developmental and intellectual disabilities.

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Annual Report

Read the highlights from last year, including financials and funding.

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Quality & Compliance

We are proud that our rigorous oversight ensures the safety and well-being of every person we serve.

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CQL Accreditations

The Arc Westchester is recognized worldwide as offering services centered on improving quality of life for others.

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The Arc Westchester headquarters is located in Hawthorne, NY with community sites throughout Westchester county. Find a location near you.

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Find answers to frequently asked questions about The Arc Westchester and the community we serve.

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Art by: John Israel
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With your support, we can continue to provide innovative service and support for children, teens and adults with developmental disabilities.

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Find out more about our services, career and employment support, volunteer activities, and open positions at The Arc Westchester.

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