The following are bilingual and/or bicultural organizations in Westchester County that assist individuals and/or families with social service issues:

El Centro Hispano de White Plains
The mission of El Centro Hispano is to strengthen Hispanic families by providing them with information about housing, employment, translations and immigration matters.  El Centro Hispano also provides these families with outreach, counseling, education, and advocacy programs to help them assimilate their new language and culture, at the same time that they maintain and enrich their own.
Contact:  (914) 289-0500

Comite Latino, Peekskill
Under the umbrella of the Hudson River Health Center, this agency assists Spanish-speaking immigrants.  Services provided by the organization include English-as-a-Second-Language programs and social service assistance such as jobs, education, translation, filling out forms, domestic violence referral, clothing drives and cultural events.
Contact:  (914) 734-8508

The Hispanic Resource Center of Larchmont and Mamaroneck
Founded in 1998, the Hispanic Resource Center is a not-for-profit community-based organization serving the Hispanic community in Larchmont and Mamaroneck.  The organization assists people in need and promotes social,  economic and professional integration of the immigrant community into the larger community.  It does this by providing needs assessment, identification of issues and resources, direct services, information and referrals, and technical assistance and support to other community-based organizations.
Contact:  (914) 835-1512

Services, Education, Resources (SER) of Westchester
The mission of SER of Westchester, Inc. is to serve the community by preparing children, youth and adults for the workforce.  Priority is given to promoting English literacy skills, academic enhancement, job training, life skills and acculturation support with special emphasis on the needs of cultural and ethnic minorities.
Contact: (914) 681-0996

Neighbors Link
This is a bicultural non-profit organization founded to help Latino immigrants.  As a not-for-profit agency, Neighbors Link offers day and night classes for women and men in English, Computer Training, Sewing and Tailoring as well as Small Business Management. In addition, through their Economic Development Program, they help day laborers negotiate jobs by making referrals for housekeeping, stone masonry, painting and gardening work.
Contact:  (914) 666-3410  

The Westchester Hispanic Coalition
As a not-for-profit agency,  the Westchester Hispanic Coalition offers many services such as homelessness prevention, immigration assistance, job placement and training, and English-as-a-Second-Language programs. 
Contact:  (914) 948-8466.

Yonkers Alliance for Latino and Immigrants Service, Inc. (YALIS)- Yonkers
YALIS is a newly formed coalition of community-based organizations that offers services related to domestic violence, housing, translation in courts and public offices, child care and naturalization, among other issues.
Contact:  (914) 476-5510

United Community Center of Westchester
This is a not-for-profit agency located in New Rochelle.  Some of the services provided by the organization include:  Employment search, eviction prevention, landlord and tenant mediation, collection of wages, English as a second language classes, domestic violence referrals, filling out forms and more. The mission of the agency is to assist individuals with information about resources and/or services provided in the community.
Contact: (914)  813-2896.