1020 Serpentine Lane Suites 100 and 102, Pleasanton, CA 94566
Horizon Services Inc – Project Eden East County is a nonprofit substance use treatment provider in Pleasanton, California, located at 1020 Serpentine Lane Suites 100 and 102. The Project Eden East County program is operated by Horizon Services Inc.
Its services include intensive outpatient (IOP), standard outpatient counseling, co-occurring (dual diagnosis) mental health treatment, and telehealth therapy. Clinicians use approaches such as anger management, brief intervention, cognitive behavioral therapy, motivational interviewing, and Matrix Model.
Horizon Services Inc – Project Eden East County accepts government funding for substance use treatment, cash or self-payment, state-financed health insurance plan other than Medicaid, and SAMHSA funding/block grants. A sliding fee scale based on income is available. Coverage depends on your specific plan, so verify benefits before admission.
The program accepts young adults, adults, and seniors. It offers specialized groups for young adults, pregnant/postpartum women, seniors or older adults, and veterans. Services are available in Spanish. Sign language services are available for deaf and hard-of-hearing clients.
Horizon Services Inc – Project Eden East County is accredited by Commission on Accreditation of Rehabilitation Facilities (CARF) and licensed or certified by the state substance use treatment agency and state department of health.
Support services include aftercare/continuing care, discharge planning, naloxone and overdose education, and outcome follow-up after discharge.
Payment assistance (check with facility for details) · Sliding fee scale (fee is based on income and other factors)
| Licensing & accreditation | State substance use treatment agency, State department of health, Commission on Accreditation of Rehabilitation Facilities (CARF) |
|---|---|
| Ages accepted | Young Adults, Adults, Seniors |
| Language services | Spanish, Sign language services for the deaf and hard of hearing |
| Operated by | Private non-profit organization |
1020 Serpentine Lane Suites 100 and 102
Pleasanton, CA 94566
Facility's own contact510-935-0929 · horizonservices.org
Horizon Services Inc – Project Eden East County lists the following levels of care: intensive outpatient (IOP), outpatient, dual diagnosis, and telehealth. Services can change, so confirm current programs before admission.
According to SAMHSA data, Horizon Services Inc – Project Eden East County accepts government funding for substance use treatment, cash or self-payment, state-financed health insurance plan other than medicaid, and samhsa funding/block grants. Your exact coverage depends on your plan and network status. You can check your benefits with your insurer, or call (877) 847-2855 for a free benefits check.
Horizon Services Inc – Project Eden East County does not list detox services. If you need medically supervised withdrawal first, see detox programs or call (877) 847-2855 for help finding one.
Yes. Horizon Services Inc – Project Eden East County reports accreditation from CARF. Accreditation means the facility meets independent quality and safety standards.
Horizon Services Inc – Project Eden East County accepts young adults, adults, and seniors. Specialized groups include young adults, adult women, pregnant/postpartum women, adult men, and seniors or older adults.
Admission usually starts with a phone screening and insurance check, followed by an assessment. You can contact Horizon Services Inc – Project Eden East County directly at 510-935-0929. To compare Horizon Services Inc – Project Eden East County with other options and verify your insurance, call our admissions helpline at (877) 847-2855. Our helpline is not affiliated with Horizon Services Inc – Project Eden East County.
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Source: SAMHSA FindTreatment.gov, data updated October 2026. Facilities report this information to SAMHSA, and it can change, so confirm details before admission. A listing is not an endorsement. StartDrugRehab is not affiliated with Horizon Services Inc – Project Eden East County.
