201. United Cerebral Palsy
UnclaimedSocial Service OrganizationWantagh
Serves Wantagh and nearby
363 nonprofit organizations listed · Updated Oct 27, 2026
Find nonprofits and social service organizations in Nassau County for help, volunteering and giving.
Avahere lists 363 nonprofit organizations across 56 Nassau County towns. Of these, 65 show a public phone number, 184 link to a website and 63 list a street address. The most listings are in Hempstead (28), Great Neck (18), Glen Cove (16). None of these businesses has claimed its page yet, so the details come from public business records.
Social Service OrganizationWantagh
Serves Wantagh and nearby
Social Service OrganizationHicksville
Serves Hicksville and nearby
Social Service OrganizationNew Hyde Park
Serves New Hyde Park and nearby
Social Service OrganizationOyster Bay
Serves Oyster Bay and nearby
Social Service OrganizationGreat Neck
Serves Great Neck and nearby
Social Service OrganizationOyster Bay
Serves Oyster Bay and nearby
Social Service OrganizationGarden City
Serves Garden City and nearby
Social Service OrganizationEast Meadow
Serves East Meadow and nearby
Social Service OrganizationFreeport
Serves Freeport and nearby
Social Service OrganizationFarmingdale
Serves Farmingdale and nearby
Social Service OrganizationLevittown
Serves Levittown and nearby
Social Service OrganizationHempstead
Serves Hempstead and nearby
Social Service OrganizationJericho
Serves Jericho and nearby
Social Service OrganizationLong Beach
Serves Long Beach and nearby
Social Service OrganizationOld Westbury
Serves Old Westbury and nearby
56 Nassau County towns, A–Z. Pick yours to see local listings.
Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.