Haart
20094 Mission Boulevard, ZIP 94541
510-727-9755 x42 · intake 510-727-9755 x21
California · Listings Checked October 2026
SAMHSA's FindTreatment.gov lists 5 rehab centers in Hayward, California, all state-licensed or certified substance use treatment facilities. Of these, 3 accept Medicaid, 1 offers detox, 1 offers residential treatment, 2 prescribe buprenorphine and 2 are certified methadone clinics.
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20094 Mission Boulevard, ZIP 94541
510-727-9755 x42 · intake 510-727-9755 x21
795 Fletcher Lane, ZIP 94544
214-379-3300 · intake 510-247-8300 x1515
1866 B Street, Suite 101, ZIP 94541
510-395-0929 · intake 510-247-8200
107 Jackson Street, ZIP 94544
20424 Haviland Avenue, ZIP 94541
Listings from SAMHSA's FindTreatment.gov, checked October 2026. A listing is not an endorsement and the order is alphabetical. Call to confirm openings, services and costs.
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1 of the 5 facilities in Hayward offer detox (medically managed withdrawal): MedMark Treatment Centers.
1 of the 5 facilities in Hayward offer residential or hospital inpatient treatment: Women on the Way Recovery Center.
2 of the 5 facilities in Hayward run intensive outpatient or partial hospitalization programs: Project Eden and Second Chance Inc.
2 of the 5 facilities in Hayward provide methadone, buprenorphine or naltrexone: Haart and MedMark Treatment Centers.
3 of the 5 facilities in Hayward accept Medicaid: Haart, MedMark Treatment Centers and Second Chance Inc.
3 of the 5 facilities in Hayward offer a sliding fee scale or treatment at no charge: Haart, MedMark Treatment Centers and Project Eden.
SAMHSA's FindTreatment.gov lists 5 substance use treatment facilities in Hayward, California, checked October 2026. 1 offer detox and 1 offer residential treatment.
3 of the 5 facilities in Hayward accept Medicaid, according to SAMHSA. Call to confirm your plan is accepted before you go.
1 of the facilities in Hayward offer detox: MedMark Treatment Centers.
0 of the facilities in Hayward offer treatment at no charge and 3 have a sliding fee scale, according to SAMHSA. SAMHSA's National Helpline can also point you to state-funded treatment.
See addiction treatment in California for the state's treatment agency, how state-funded treatment works and Medicaid coverage. For what each type of care means, read about detox, inpatient rehab and outpatient rehab, or how to find rehab that takes Medicaid.
Rehab Help is an independent guide, not a treatment provider. Phone numbers on this site are the facilities' and helplines' own numbers, never tracking lines. If someone is in danger right now, call 911.