Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Substance use

Horizon Services Inc

Pleasanton, California · Alameda County

Summary

Horizon Services Inc, in Pleasanton, California, is listed in SAMHSA’s FindTreatment.gov directory for substance use treatment. It lists a sliding fee scale. It lists services in Spanish. Source: SAMHSA, FindTreatment.gov, retrieved 2026-11-11.

Official data

This page shows the facility’s listing in SAMHSA’s FindTreatment.gov directory. SAMHSA does not rate treatment quality, and we do not rank or recommend facilities. Services, payment and openings change: call before you go.

In an emergency, call 911.

At a glance

Substance use treatmentListed by SAMHSA as
Not listedAccepts Medicaid
Not listedAccepts Medicare
YesSliding fee scale
YesServices in Spanish
Young Adults, Adults, SeniorsAges

Quick answers

What is Horizon Services Inc?
Horizon Services Inc is a treatment facility in Pleasanton, California, listed in SAMHSA’s FindTreatment.gov directory for substance use.
Does Horizon Services Inc accept Medicaid?
Medicaid is not among the payments in its SAMHSA listing. Call the facility to ask.
Is treatment at Horizon Services Inc free or low cost?
It lists a sliding fee scale: the fee depends on income and other factors. It lists payment assistance; ask the facility for details.
Does Horizon Services Inc offer services in Spanish?
Yes. Its SAMHSA listing includes Spanish among its language services.
Where is Horizon Services Inc?
1020 Serpentine Lane, Suites 100 and 102, Pleasanton, CA 94566, in Alameda County, California.
What is the phone number of Horizon Services Inc?
(510) 935-0929, as listed by SAMHSA. Call to confirm services and hours.

Type of care and setting

Type of careSubstance use treatment
Service settingOutpatient; Intensive outpatient treatment; Regular outpatient treatment

Who it serves

Age groups acceptedYoung Adults; Adults; Seniors
Sex acceptedFemale; Male
Special programs or groupsYoung adults; Adult women; Pregnant/postpartum women; Adult men; Seniors or older adults; Veterans; Criminal justice (other than DUI/DWI)/Forensic clients; Clients with co-occurring mental and substance use disorders; Clients with co-occurring pain and substance use disorders; Clients who have experienced trauma
Language servicesSign language services for the deaf and hard of hearing; Spanish

Payment and insurance

Payment, insurance or funding acceptedFederal, or any government funding for substance use treatment programs; Cash or self-payment; State-financed health insurance plan other than Medicaid; SAMHSA funding/block grants
Payment assistance availablePayment assistance (check with facility for details); Sliding fee scale (fee is based on income and other factors)

Treatment and services

Type of opioid treatmentAccepts clients using MAT but prescribed elsewhere
Alcohol use disorder treatmentAccepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere
External source of opioid medicinesOther contracted prescribing entity
External source of medicines for alcohol use disorderOther contracted prescribing entity
Treatment approachesAnger management; Brief intervention; Cognitive behavioral therapy; Motivational interviewing; Matrix Model; Relapse prevention; Substance use disorder counseling; Telemedicine/telehealth therapy; Trauma-related counseling
Assessment and pre-treatmentComprehensive substance use assessment; Outreach to persons in the community; Screening for tobacco use; Screening for substance use; Screening for mental disorders; Professional interventionist/educational consultant
TestingDrug or alcohol urine screening
Education and counseling servicesHealth education services other than HIV/AIDS or hepatitis; Substance use disorder education; Smoking/vaping/tobacco cessation counseling; Individual counseling; Group counseling; Family counseling
Ancillary servicesCase management service; Social skills development
Recovery support servicesAssistance with obtaining social services; Mentoring/peer support
Transitional servicesAftercare/continuing care; Discharge Planning; Naloxone and overdose education; Outcome follow-up after discharge

About the facility

License, certification or accreditationState substance use treatment agency; State department of health; Commission on Accreditation of Rehabilitation Facilities (CARF)
Facility operationPrivate non-profit organization
Smoking policySmoking not permitted
Vaping policyVaping not permitted

As listed by the facility in SAMHSA’s FindTreatment.gov directory. Ask the facility to confirm before you start. Sources

What to ask when you call

  • Are you taking new clients, and how soon can I start?
  • Do you accept my insurance or my Medicaid or Medicare plan? What will I pay?
  • How does your sliding fee or payment help work, and what papers should I bring?
  • Which programs do you offer here (outpatient, intensive outpatient, residential, detox), and how long do they last?
  • Do you offer medicines for alcohol or opioid use disorder, or do you work with someone who prescribes them?
  • Is the program licensed or accredited, and by whom?
  • Do you have staff who speak my language, or interpreters?
  • Can family members take part?

A general checklist, not medical advice. For advice about your health, talk to a doctor or other health professional.

Other treatment centers nearby

By straight-line distance (not driving distance). Not a ranking.

Nearest emergency rooms

Hospitals that list emergency services in Medicare data, by straight-line distance.

Contact details from the listing

Address1020 Serpentine Lane, Suites 100 and 102, Pleasanton, CA 94566
CountyAlameda County
StateCalifornia
Phone(510) 935‑0929
Website (as listed by SAMHSA)horizonservices.org
Program or other nameProject Eden East County
SAMHSA listingsSubstance use treatment
CorrectionsReport an error or suggest an update →

Sources

  1. FindTreatment.gov: National Directory of Mental Health and Substance Use Treatment Facilities — Substance Abuse and Mental Health Services Administration (SAMHSA), retrieved 2026-11-11
  2. FindTreatment.gov API documentation — SAMHSA
  3. 988 Suicide & Crisis Lifeline: frequently asked questions — SAMHSA, checked 2026-11-11
  4. SAMHSA’s National Helpline — SAMHSA, checked 2026-11-11
  5. U.S. Census Bureau ZIP code areas (ZIP-to-county relationship file) — county of the ZIP code