Treatment Centers
Horizon Services Inc
1020 Serpentine Lane, Suites 100 and 102 · Pleasanton, CA 94566
Services: Substance use treatment · Treatment for co-occurring substance use plus either serious mental illness (SMI) in adults and/or serious emotional disturbance (SED) in children
Verified Checked 01 Jul 2026 in person Naloxone available
Source: SAMHSA FindTreatment.gov