Addiction and mental health treatment in Hayward, CA
8 treatment centers.
Find by need
- Haart(510) 727‑9755 ext. 42Substance use · 20094 Mission Boulevard · Spanish
- Humanistic Alternatives to Addiction Research & Treatment (HAART) - Hayward(510) 727‑9755Opioid treatment program · 20094 Mission Blvd.
- MedMark Treatment Centers(214) 379‑3300Substance use · Detox · 795 Fletcher Lane · Spanish
- Project Eden(510) 395‑0929Substance use · 1866 B Street, Suite 101 · Spanish
- Second Chance Inc(510) 886‑8696Substance use · 107 Jackson Street · Spanish
- Side by Side(510) 727‑9401Mental health · 22245 Main Street, Suite 200 · Spanish
- Successful Alternatives for Addiction and Counseling Services, Inc.(510) 247‑8300Opioid treatment program · 795 Fletcher Lane
- Women on the Way Recovery Center(510) 698‑6688Substance use · 20424 Haviland Avenue
Nearest emergency rooms
- Eden Medical Center1.1 mi · Castro Valley, CA
- St Rose Hospital3.7 mi · Hayward, CA
- Kaiser Foundation Hospital - San Leandro3.9 mi · San Leandro, CA
Common questions
How many addiction and mental health treatment centers are in Hayward, California?
SAMHSA’s FindTreatment.gov directory lists 8 treatment centers in Hayward: Haart, Humanistic Alternatives to Addiction Research & Treatment (HAART) - Hayward, MedMark Treatment Centers, Project Eden, Second Chance Inc, Side by Side, Successful Alternatives for Addiction and Counseling Services, Inc. and Women on the Way Recovery Center.
Which treatment centers in Hayward accept Medicaid?
3 of 8 name Medicaid among the payments they accept: Haart, MedMark Treatment Centers and Second Chance Inc. Ask whether they take your plan.
Is there a treatment center with services in Spanish in Hayward?
Yes. Haart, MedMark Treatment Centers, Project Eden, Second Chance Inc and Side by Side list Spanish among their language services.
Where is the nearest emergency room to Hayward?
Hospitals that list emergency services in Medicare data, near Hayward: Eden Medical Center, Castro Valley (1.1 mi), St Rose Hospital, Hayward (3.7 mi) and Kaiser Foundation Hospital - San Leandro, San Leandro (3.9 mi). In an emergency, call 911.
Source: SAMHSA, FindTreatment.gov (National Directory of Mental Health and Substance Use Treatment Facilities), retrieved 2026-11-11. SAMHSA publishes no separate release date for this live directory. The directory has no quality ratings, and this list is not a ranking or a recommendation. Methodology