Family Service League

What Family Service League does

Family Service League (FSL) is a 501(c)(3) nonprofit human services agency founded in 1926 and headquartered at 790 Park Avenue in Huntington, New York. It is the largest accredited human services agency on Long Island, operating more than 60 programs across approximately 20 locations in Suffolk and Nassau Counties with roughly 700 staff serving 60,000+ individuals annually. Service lines span mental health (clinics, ACT, PROS, OnTrackNY), addiction services (DASH 24/7 crisis stabilization, CCBHC, Mobile Crisis, ADAM, family recovery, prevention), housing and homeless services (emergency shelters, Suffolk Hope, HomeShare, HIHI), children's and early childhood services (early learning centers, Operation Success, RECESS, Smart Start), family and community support (Healthy Families, CAIR, Family Connect), senior and caregiver programs (SeniorNet, NNORC, Ombudsman), and vocational services (FEP).

Its underlying technology centers on a telehealth-enabled crisis intervention platform — the Diagnostic, Assessment, Stabilization Hub (DASH) — which facilitates 24/7 walk-in and on-the-spot telehealth crisis sessions, including a notable law enforcement partnership model that produced 1,483 telehealth sessions with an 81% hospital-transport avoidance rate. A 24/7 Mobile Crisis Triage Line (631-952-3333) and embedded school-based telebehavioral health access extend this platform across Long Island.

Its business model is a multi-stream nonprofit funding mix: tax-deductible donations from individuals, corporations, and foundations; government grants and contracts from six New York State agencies (OMH, OASAS, DOH, OCFS, OFA, OPWDD) plus county Departments of Social Services; sliding-scale fee-for-service revenue at CCBHC clinics; and event fundraising (Great Chefs of Long Island, Walk for Wellness, Centennial Gala). Most direct services are free or low-cost, with sliding-scale fees for CCBHC services. Distribution is regional via walk-in centers, mobile crisis teams, home visits, school partnerships, and co-located programs with Northwell Health and Stony Brook University. Governance is board-led under Chair Christine Malafi; Kerri Smith was appointed President and CEO effective April 2026, succeeding Jeffrey Steigman.

Name

Family Service League

Legal name

Family Service League

Website

https://fsl-li.org

Company type

Private

Founded year

1926

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Family Service League is a Long Island-based 501(c)(3) nonprofit human services agency, founded in 1926, operating 60+ programs across 20 locations with ~700 staff serving 60,000+ residents of Suffolk and Nassau Counties annually in mental health, addiction, housing, family, senior, and early childhood services.

Ownership category

akta.pro rank

Product category

Human Services

NAICS

Other Individual and Family Services (624190), Child and Youth Services (62411), Services for the Elderly and Persons with Disabilities (624120), Child Care Services (6244), Temporary Shelters (624221)

SIC

Services-Social Services (8300), Services-Health Services (8000), Services-Child Day Care Services (8351)

akta.pro primary industry

Family & Parenting Support Services (BPAGAEAC)

akta.pro secondary industries

Family Resource Centers & Wraparound Support Services (EDACALAH), Family Engagement & Caregiver Support Programs (SEL/Mental Health) (EDAKAMAK), Family Coaching, Parent-Mediated & Home Visiting EI Services (EDACAFAJ)

Keywords

• Mental health services
• Addiction treatment programs
• Homeless housing services
• Family counseling support
• Community social services

Headquarters

HQ city

Huntington

HQ country

United States

HQ region

North America

Offices16 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Tax-deductible donations: The organization is a registered 501(c)(3) nonprofit. Donations from individuals, corporations, and foundations provide critical funding for programs and services.
2. Government grants and contracts: Licensed by and receives funding from New York State Office of Mental Health, NYS Office of Alcohol and Substance Abuse Services, NYS Office for the Aging, and other government agencies.
3. Event fundraising: Annual events including Great Chefs of Long Island, Walk for Wellness, and Centennial Gala generate donations and community support.
4. Corporate matching gifts: Corporate matching gift programs where employers match employee donations, multiplying donor impact.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels8 records

Core offering

Family Service League is a nonprofit social services agency that delivers mental health counseling, addiction prevention and treatment, housing and homeless services, family and children's support, senior caregiver services, early childhood education, vocational training, and 24/7 crisis intervention across more than 20 Long Island locations. Services are delivered through walk-in centers, mobile crisis teams, school-based programs, and home-visiting programs, funded by government contracts, grants, and tax-deductible donations. The flagship DASH center and CCBHC model provide integrated behavioral health access regardless of ability to pay.

Product overview

Family Service League is a social services agency offering a comprehensive portfolio of over 60 programs across 20 locations on Long Island. The organization operates a multi-service model organized into eight core service categories: Addiction Services & Treatment (including ADAM, DASH, CCBHC, Mobile Crisis, and Prevention programs), Children's Services (including early learning centers, therapeutic recreation, and family support programs), Family & Community Support (including CAIR, Healthy Families, and community schools), Housing & Homeless Services (including emergency shelters, permanent supported housing, and HomeShare), Mental Health & Integrated Care (including clinics, ACT teams, and PROS), Senior & Caregiver Services (including SeniorNet, Ombudsman, and caregiver support), Training & Employment (vocational programs), and Trauma & Crisis Counseling. The flagship DASH (Diagnostic, Assessment, Stabilization Hub) program operates as a 24/7 crisis center, while the CCBHC model integrates comprehensive behavioral healthcare. Key programs include the Mobile Crisis Team providing 24/7 telephonic triage, Joe's Project for post-suicide counseling, and various housing programs supporting homeless individuals and families.

Differentiator

Problem solved

Functional benefit

Products and services

• Diagnostic, Assessment, Stabilization Hub (DASH)
• Mobile Crisis Triage Line
• Certified Community Behavioral Health Clinic (CCBHC)
• Mental Health Clinics & Satellites
• Addiction Direction and Management (ADAM)
• Family Recovery Centers (FRC) Chemical Dependency Clinics
• Emergency Housing Family Shelter
• Suffolk Hope (Permanent Supported Housing)
• HomeShare Long Island
• Huntington Interfaith Homeless Initiative (HIHI)
• Caregiver Support and Education
• Long Island Sound Senior Connections (NNORC)
• SeniorNet
• Healthy Families Suffolk
• Operation Success
• Lockwood Early Learning Center
• Assertive Community Treatment (ACT)
• Personalized Recovery Oriented Services (PROS) - Stepping Stones
• Joe's Project (Post-Suicide Counseling)
• Community Healthcare Collaborative (CHCC)
• OnTrackNY
• Flexible Employment Program (FEP)
• Trauma & Crisis Counseling
• Community Advocacy, Information & Referral (CAIR)

Quantifiable outcome

• 497 families placed in shelters with 315 moves to permanent housing
• +3 more outcomes

Named customers1 record

Segments7 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Eleven partnerships are on record, tiered major and core.

• Bethpage Federal Credit UnionmajorGTM or Marketing PartnerCorporate community partner at $50,000 level. Sponsors annual backpack drive and Project TOY holiday donation program helping approximately 3,000 children from low-income families.
• PSEG Long IslandmajorGTM or Marketing PartnerCorporate community partner at $10,000-$49,999 level. Board member Robert Rowe represents PSEG Long Island.
• Lincoln ITmajorTechnology or IntegrationCorporate community partner at $50,000 level providing technology support.
• Northwell Health (Huntington Hospital, South Shore University Hospital)coreStrategic or Co-development PartnerStrategic healthcare partnership with Huntington Hospital and South Shore University Hospital. Board members Dr. Nick Fitterman and Dominique Walker represent Northwell Health. Programs include Community Healthcare Collaborative (CHCC) with Northwell staff providing medical evaluations.
• FourLeaf Federal Credit UnionmajorGTM or Marketing PartnerSponsors annual backpack drive helping 3,000 children and Project TOY holiday program benefiting over 3,000 children in Suffolk County.
• Bank of AmericamajorGTM or Marketing PartnerCorporate community partner at $10,000-$49,999 level.
• United Way of Long IslandcoreStrategic or Co-development PartnerAffiliation/membership and community partnership supporting Long Island communities.
• Office for Addiction Services and Supports (OASAS)coreStrategic or Co-development PartnerState agency partnership for addiction prevention and treatment services. FSL works with OASAS-funded programs to build prevention resources.
• Suffolk County Police DepartmentcoreStrategic or Co-development PartnerLaw enforcement partnership facilitating innovative telehealth program with 1,483 on-the-spot telehealth sessions resulting in 81% avoiding hospital transport.
• Suffolk County School DistrictscoreStrategic or Co-development PartnerPartnership with school districts to address behavioral healthcare access for students through mobile crisis team services and DASH program.
• Stony Brook UniversitycoreStrategic or Co-development PartnerPartnership with Stony Brook University for WIC (Women, Infants and Children) nutrition program providing education and nutritional counseling to low-income mothers.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Children's Aid Society: NYC-based nonprofit providing early childhood, mental health, after-school, and family support services. Comparable UPK/early learning, mental health, and school-based program structure; serves as a benchmark for FSL's children's services portfolio.
• Jewish Board of Family and Children's Services: One of New York's largest behavioral health and human services nonprofits offering mental health, housing, addiction, and child/family services. Comparable CCBHC-equivalent model and similar funding mix, with larger scale and broader geography than FSL.
• The New York Foundling: Large NYC-based child and family services nonprofit with foster care, mental health, and developmental disability programs. Larger geographic and program scope than FSL, but directly comparable in core child welfare and behavioral health offerings.

Direct peers

• MercyFirst: Long Island-based nonprofit offering residential, mental health, child welfare, and family services under NYS OCFS and OMH oversight. Closely mirrors FSL's residential/foster care, mental health, and youth services portfolio.
• Concern for Independent Living: Long Island nonprofit providing supportive housing, homeless services, and behavioral health programs. Closely comparable housing-first model and Suffolk/Nassau footprint to FSL's housing and homeless services division.
• SCO Family of Services: Long Island and NYC-based nonprofit providing child welfare, mental health, juvenile justice, and family services. Comparable multi-program, multi-site nonprofit model with similar government-license stack and family/children focus.
• Catholic Charities of Long Island: Regional nonprofit social services agency serving Long Island with counseling, housing, immigration, and family support services. Directly comparable to FSL on geography, mission (mental health, family, housing), and reliance on government + philanthropic funding.
• WellLife Network: Long Island and NYC nonprofit providing mental health, addiction, housing, and developmental disability services. Comparable integrated behavioral health + housing model and similar NYS OPWDD/OMH/OASAS license footprint.

Regional players

• Central Nassau Guidance and Counseling Services: Long Island-based outpatient mental health and substance abuse clinic. Comparable outpatient mental health and addiction services, but more narrowly focused than FSL's integrated multi-program model.
• Options for Community Living: Long Island-based nonprofit providing supportive housing and behavioral health services. Comparable in mission and geography but smaller scale than FSL, making it a useful peer for sub-segment benchmarking.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@FamilyServiceLeagueLI
• Facebookfacebook.com/familyserviceleagueli
• Instagraminstagram.com/familyserviceleagueli
• Xx.com/FamilyServiceLI

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Family Service League