12 Drug Rehab Centers in Ontario, CA

Browse verified drug rehab centers in Ontario, California. Compare providers and find contact information.

Ontario Grove Healthcare & Wellness Centre

★★★★☆ (84 reviews)
933 E Deodar St, Ontario, CA 91764
(909) 985-2731
Website: www.hcbellavista.com
Hours: Mon-Sun: 7 AM–8 PM

Aegis Treatment Centers | Ontario

★★★★½ (55 reviews)
125 W F St SUITE 101, Ontario, CA 91762
(909) 986-4550
Website: pinnacletreatment.com/location/california/ontario/aegis-treatment-centers-ontario
Hours: Mon: 5 AM–5:30 PM | Tue: 5 AM–5:30 PM | Wed: 5 AM–5:30 PM | Thu: 5 AM–5:30 PM | Fri: 5 AM–5:30 PM | Sat: 5–9 AM | Sun: 5–9 AM

New Creation Intensive Outpatient and Treatment

★★★★½ (43 reviews)
3286 E Guasti Rd Suite 100, Ontario, CA 91761
(909) 906-9844
Website: newcreationiop.com
Hours: Mon-Sun: Open 24 hours

Valley Improvement Programs, Inc.

★★★★☆ (39 reviews)
210 W B St, Ontario, CA 91762
(909) 983-3665
Website: www.valleyimprovement.org
Hours: Mon: Closed | Tue: 9 AM–8 PM | Wed: 9 AM–8 PM | Thu: 9 AM–8 PM | Fri: 9 AM–1 PM | Sat: 9 AM–1 PM | Sun: Closed

CLARE|MATRIX

★★★★☆ (4 reviews)
812 N Euclid Ave, Ontario, CA 91762
(909) 395-0888
Website: www.clarematrix.org
Hours: Mon: 9 AM–9 PM | Tue: 9 AM–4:30 PM | Wed: 9 AM–9 PM | Thu: 9 AM–9 PM | Fri: 9 AM–4:30 PM | Sat: Closed | Sun: Closed

San Bernardino County Behavioral Health

★★★★☆ (4 reviews)
2940 Inland Empire Blvd, Ontario, CA 91764
(909) 386-8256
Website: wp.sbcounty.gov/dbh

His House Rehab Ontario

★★★½☆ (3 reviews)
1067 E D St, Ontario, CA 91764
(877) 345-4138
Website: hishouserehab.com
Hours: Mon-Sun: Open 24 hours

River of Hope Recovery & Wellness Helpline

★★★★★ (1 reviews)
1000 N Mountain Ave, Ontario, CA 91762
(840) 237-3815
Website: riverofhoperecovery.com
Hours: Mon-Sun: Open 24 hours

Addiction Treatment Ontario

S Haven Ave, Ontario, CA 91761
(909) 906-1011
Hours: Mon-Sun: Open 24 hours

Holt Drug Rehab Help

116 W Holt Blvd #3, Ontario, CA 91762
(909) 255-6350
Hours: Mon: 4 AM–9 PM | Tue: 4 AM–9 PM | Wed: 4 AM–9 PM | Thu: 4 AM–9 PM | Fri: 4 AM–6 PM | Sat: 6 AM–6 PM | Sun: 6 AM–6 PM

His House Mental Health Treatment Center- Embrace Recovery

1354 Carlos Pl, Ontario, CA 91764
(909) 347-6375
Hours: Mon-Sun: Open 24 hours

Crisis Intervention

Doubleday Ave, Ontario, CA 91761
(909) 757-8157
Website: www.mariongatleyassociation.com
Hours: Mon-Sun: Open 24 hours

About Drug Rehab Centers in Ontario, CA

Finding the right support for addiction recovery in Ontario, California means connecting with a community that understands your journey. Ontario is a vibrant, growing city with a diverse population, but like many Inland Empire communities, it faces challenges such as housing instability and limited access to healthcare. These pressures can make it harder to find stability, which is why a structured rehab program can provide the focused care and safe environment needed to heal.

Addiction does not discriminate—it affects families, professionals, and neighbors across Ontario. Whether you are seeking help for yourself or a loved one, a drug rehab center offers more than just detox. It provides a space to rebuild your life, address underlying issues, and develop coping skills. With the right support, recovery is not just possible—it is a fresh start right here in your own city.

Frequently Asked Questions

How many drug rehab centers are listed in Ontario, California?

Our directory currently lists 12 drug rehab facilities in the Ontario, CA area. This number is based on publicly available data and may change over time.

How do I choose a drug rehab center in Ontario?

Consider the types of substances they treat, treatment approaches offered, staff qualifications, insurance acceptance, program length, and aftercare support. Always verify licensing with your state authority.

Does BeforeRehab.com recommend specific facilities?

No. We are an informational directory only. We do not endorse, recommend, or rank any facility. Listings are compiled from publicly available data.

How do I verify a rehab center's license in California?

Contact your state licensing authority or visit SAMHSA's treatment locator at findtreatment.gov to verify a facility's credentials and license status.

BeforeRehab.com is an informational directory only. We are not a treatment provider, referral service, or crisis hotline. The information provided does not constitute medical advice. Always verify a facility's credentials, licensing, and insurance acceptance directly. If you or someone you know is in crisis, please call 988 (Suicide & Crisis Lifeline) or SAMHSA's National Helpline at 1-800-662-4357.

Listings are displayed in no particular order. No facility has paid for placement in this directory.

This is not a referral service. We do not endorse or recommend any facility listed.

Business owners: to update or remove a listing, email [email protected].

Verify credentials with your State Licensing Authority.

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Important: This website does not provide referrals to any treatment facility. BeforeRehab.com does not receive compensation, kickbacks, or fees of any kind from any treatment center, sober living home, or recovery service listed on this site. No facility has paid for placement, priority positioning, or endorsement. All listings are derived from publicly available data and appear in no particular order. If you need immediate help, call the SAMHSA National Helpline at 1-800-662-4357 (free, confidential, 24/7).