Lenox Hill Neighborhood House is a member of the following groups:
- Council of Senior Centers and Services of New York City
CSCS is a membership organization of more than 200 senior service agencies that serve over 300,000 senior citizens throughout New York City.
- East Harlem Anti-Displacement Task Force
A coalition of community-based organizations committed to helping tenants in East Harlem remain in safe and secure housing.
- East Side Council on the Aging
ESCOTA is a voluntary organization with representatives from community, health, religious, private, civic and social services organizations that work with older adults and their families on the Upper East Side of Manhattan.
- East Side Housing Coalition
ESHC is a community coalition of social justice advocates committed to protecting and expanding affordable middle-income housing in East Side neighborhoods.
- Emergency Rent Coalition
A coalition of agencies that help individuals and families with rent/utility arrears.
- Federation of Protestant Welfare Agencies
FPWA is a membership organization with almost 300 community-based social service agencies and church-based human service programs.
- Homeless Services United
HSU is a coalition of over 60 nonprofit agencies providing emergency and transitional assistance to homeless and at-risk adults and children in New York City.
- International Federation of Settlements and Neighborhood Centers
IFS is a global movement that connects community organizations that represent and respond to the different needs, strengths and aspirations of families and communities.
LEAP is a membership organization of 10 direct civil legal services providers. We work collaboratively to increase the availability of quality civil legal services for low income persons in New York City.
- National Association for the Education of Young Children
NAEYC is highly regarded by educators and policy makers and sets well-respected standards for developmentally appropriate outcomes in pre-K classrooms.
- National Council on Aging
NCOA is a non-profit service and advocacy organization headquartered in Washington, DC with a mission to improve the lives of older Americans.
- National Legal Aid & Defender Association
NLADA is an advocate for front-line attorneys and other equal justice professionals who make a difference in the lives of low-income clients and their families and communities.
- Partnership for After School Education
PASE is a child-focused organization that promotes and supports quality afterschool programs, particularly those serving young people from underserved communities.
- Supportive Housing Network of New York
SHNNY represents over 170 nonprofit organizations that develop and operate supportive housing across New York.
- United Neighborhood Centers of America
UNCA is a national organization with neighborhood-based member organizations throughout the United States, founded in 1911 by Jane Addams.
- United Neighborhood Houses of New York
UNH comprises one of the largest human service systems in New York City with 36 member organizations.