Arc of Westchester is the largest agency in Westchester County, New York, supporting children, teens, and adults with intellectual and developmental disabilities, including individuals on the autism spectrum, and their families. For over 70 years, they have been providing innovative programs and services that foster independence, productivity, and participation in community life. Their person-centered approach ensures that individuals receive tailored support to achieve their personal goals and live fulfilling lives. Services span residential options, day programs, employment services, therapeutic services, recreation, and family support.
Serves as the central administrative and operational hub for Arc of Westchester, coordinating programs, services, advocacy efforts, and community outreach across Westchester County.
The headquarters is a modern, accessible facility designed to accommodate administrative staff, training programs, and sometimes direct service provision or community meetings. It often houses key departments like HR, finance, program development, and executive leadership.
The work culture at Arc of Westchester is mission-driven, characterized by compassion, dedication, collaboration, and a strong commitment to empowering individuals with disabilities. Staff often express a deep sense of purpose in their work.
The headquarters is significant as the nerve center for an organization that profoundly impacts thousands of lives in Westchester County, providing essential support and advocating for the rights and inclusion of people with developmental disabilities.
Arc of Westchester's operations and direct services are primarily concentrated within Westchester County, New York. While they are part of the larger Arc of the United States network, which has a national scope, Arc of Westchester itself does not have an international or global operational presence. Their focus is on local community impact and support.
265 Saw Mill River Road
Hawthorne
NY
USA
Address: 350 Lexington Ave, Mt Kisco, NY 10549
Serves individuals in the northern Westchester area, providing accessible day programs and support services closer to their homes.
Address: Ann Manzi Center, 121 dapplegate Road, Yonkers, NY 10703
Provides critical services to individuals and families in the southern Westchester region, often acting as a hub for multiple programs.
Address: Various residential homes and smaller program sites are located throughout New Rochelle and other towns.
Offers community-based living options that promote independence and inclusion for adults with developmental disabilities across different parts of Westchester.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, Arc of Westchester' leadership includes:
Arc of Westchester has been backed by several prominent investors over the years, including:
Based on publicly available information, there have been no major high-profile executive hires or exits announced for Arc of Westchester's core leadership team in the past 12-18 months, suggesting a period of stability. Most recent significant changes predate this period.
Discover the tools Arc of Westchester uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Arc of Westchester likely uses common professional email formats, often combining the employee's first initial and last name, or first name and last initial, with their domain name.
[first_initial][last]@arcwestchester.org (e.g., jsmith@arcwestchester.org) or [first].[last]@arcwestchester.org (e.g. jane.smith@arcwestchester.org)
Format
tguzman@arcwestchester.org
Example
75%
Success rate
Arc Westchester Website • October 26, 2023
Arc of Westchester announced it received a $25,000 grant from The Thomas and Agnes Carvel Foundation. This funding will support the organization's programs for individuals with intellectual and developmental disabilities....more
Arc Westchester Website • May 10, 2023
The Arc Westchester Foundation's annual fundraising gala, 'A Tasteful Evening,' successfully raised over $350,000 to support programs and services for children and adults with developmental disabilities in Westchester County....more
Arc Westchester Website • September 12, 2023
Staff from Arc of Westchester attended and participated in the New York Statewide Direct Support Professional (DSP) Conference, contributing to discussions and learning about best practices in supporting individuals with disabilities....more
See where a company’s workforce is located, by country or region.
View past and recent funding rounds with amounts and investors.
Understand company revenue estimates and financial scale.
Track active roles and hiring trends to spot growth signals.
Discover what a company offers—products, platforms, and solutions.
Get the company’s official SIC and NAICS classifications.
Analyze visitor volume, engagement, and top traffic sources.
Explore LinkedIn, Twitter, and other active social profiles.
Identify top competitors based on similar business traits.
Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.
Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.
Thousands of companies, including Arc of Westchester, are just a search away.