Association for Advancement ofFree / Low-cost
Mental Health
Mental Health & Addiction
✓ SAMHSA Verified
📍 819 Alexander Road, Princeton, NJ 08540
9 SAMHSA-verified substance use and mental health treatment facilities
Facility Map
Drug and alcohol rehab in Princeton typically costs $5,000–$20,000 for a 30-day inpatient program. Free and low-cost options are available — 7 facilities in this directory accept Medicaid or offer free programs.
New Jersey Medicaid covers comprehensive substance use treatment. The Division of Mental Health and Addiction Services funds free programs statewide.
Free cost calculator → Full cost guide → Insurance coverage →
Cost Guide
Treatment costs vary widely depending on the type of program, length of stay, and insurance coverage. Below are typical ranges adjusted for Princeton.
What will I pay?
Note: Treatment costs in Princeton typically run 20% above the national average.
Payment breakdown — 9 facilities in Princeton, NJ
Available in PRINCETON
Costs vary widely by facility, insurance coverage, and length of stay. Many facilities offer sliding-scale fees or accept Medicaid at no cost to the patient.
About
This directory lists 9 substance use and mental health treatment facilities in Princeton, NJ that are verified by SAMHSA (Substance Abuse and Mental Health Services Administration). Data is sourced from the FindTreatment.gov national database, updated annually.
Facilities range from outpatient counseling to residential treatment, detoxification programs, and medication-assisted treatment (MAT). Use the filters above to narrow by insurance type, treatment setting, or special population programs such as veterans services or women's programs.
If you or someone you know needs immediate help, call SAMHSA's National Helpline at 1-800-662-4357 — free, confidential, 24/7, available in English and Spanish.
Paying with insurance? See our insurance coverage guides for Medicaid, Medicare, and major private carriers to understand what's typically covered before you call a facility.
Not sure what to budget? Try our free rehab cost calculator to estimate your out-of-pocket cost by level of care and payment type.
Data source: SAMHSA National Survey of Substance Abuse Treatment Services (N-SUMHSS) via FindTreatment.gov. Facility information is provided for directory purposes only. Contact facilities directly to verify current services, availability, and insurance acceptance. This is not a medical referral service.