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Ontario, CA - 7 Best Alcohol & Drug Rehab Centers

This guide to the best rehab facilities in Ontario for 2026 helps you explore treatment options for drug and alcohol addiction and connect with professional care near you.

Ontario Treatment Centers

Aegis Treatment CenterFeatured Image

Aegis Treatment Center

Location Pin Icon 125 West F Street / Suite 101, Ontario, CA 91762

Phone Icon 909-986-4550

URL address dropdown icon
https://pinnacletreatment.com/location/california/ontario/aegis-treatment-centers-ontario/?utm_sourc

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconFacility Credentials & Oversight

  • State Substance use treatment agency
  • State department of health
  • Commission on Accreditation of Rehabilitation Facilities (CARF)
  • SAMHSA certification for opioid treatment program (OTP)
  • Drug Enforcement Agency (DEA)

heartbeat IconAges Served

  • Young Adults
  • Adults
New Creation Treatment CentersFeatured Image

New Creation Treatment Centers

Location Pin Icon 3286 East Guasti Road / Suite 110, Ontario, CA 91761

Phone Icon 909-920-5102

URL address dropdown icon
http://newcreationiop.com

heartbeat IconTreatment Center Type

  • Residential treatment center (RTC) for adults

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconAges Served

  • Young Adults
  • Adults
  • Seniors
New Creation Corporate HeadquartersFeatured Image

New Creation Corporate Headquarters

Location Pin Icon 3286 Guasti Road / Suite 100, Ontario, CA 91761

Phone Icon 909-920-5102

URL address dropdown icon
http://www.newcreationtreatment.com

heartbeat IconTreatment Center Type

  • Residential treatment center (RTC) for adults

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconAges Served

  • Young Adults
  • Adults
  • Seniors
New Creation Corporate HeadquartersFeatured Image

New Creation Corporate Headquarters

Location Pin Icon 3286 Guasti Road / Suite 100, Ontario, CA 91761

Phone Icon 909-920-5102

URL address dropdown icon
http://www.newcreationtreatment.com

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconFacility Credentials & Oversight

  • State department of health
  • The Joint Commission

heartbeat IconAges Served

  • Young Adults
  • Adults
CLARE MatrixFeatured Image

CLARE Matrix

Location Pin Icon 812 North Euclid Avenue, Ontario, CA 91762

Phone Icon 909-395-0888

URL address dropdown icon
http://www.clarematrix.org

heartbeat IconOperating Model

  • Private non-profit organization

heartbeat IconFacility Credentials & Oversight

  • State Substance use treatment agency
  • State department of health
  • Commission on Accreditation of Rehabilitation Facilities (CARF)
  • Federally Qualified Health Center

heartbeat IconAges Served

  • Children/Adolescents
  • Adults
Embrace Life ChangeFeatured Image

Embrace Life Change

Location Pin Icon 1354 Carlos Place, Ontario, CA 91764

Phone Icon 909-920-5102

URL address dropdown icon
http://embracerecovery.com

heartbeat IconTreatment Center Type

  • Certified Community Behavioral Health Clinic

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconAges Served

  • Young Adults
  • Adults
  • Seniors

100% Confidential and free

Aegis Treatment CenterFeatured Image

Aegis Treatment Center

Location Pin Icon 125 West F Street / Suite 101, Ontario, CA 91762

Phone Icon 909-986-4550

URL address dropdown icon
http://www.aegistreatmentcenters.com

heartbeat IconOperating Model

  • Private for-profit organization

heartbeat IconAges Served

  • Young Adults
  • Adults
  • Seniors

100% Confidential and free