2 Addiction Treatment Centers in Castro Valley, CA

Browse verified addiction treatment centers in Castro Valley, California. Compare providers and find contact information.

Tranquility Rehab Center

25872 Five Canyons Pkwy, Castro Valley, CA 94552
(510) 721-0672
Website: tranquilityrehab.org
Hours: Mon-Sun: Open 24 hours

Riley Recovery Centers

20880 Baker Rd, Castro Valley, CA 94546
(510) 344-8399
Website: rileyrecovery.com
Hours: Mon: 9 AM–5 PM | Tue: 9 AM–5 PM | Wed: 9 AM–5 PM | Thu: 9 AM–5 PM | Fri: 9 AM–5 PM | Sat: Closed | Sun: Closed

About Addiction Treatment Centers in Castro Valley, CA

If you or someone you care about is struggling with substance use in Castro Valley, finding the right support can feel overwhelming—but you don’t have to face it alone. Located in the heart of Alameda County, Castro Valley is a close-knit community where many residents commute long hours or juggle multiple jobs, often without easy access to nearby resources. The pressures of daily life, combined with the area’s limited public transit options, can make it harder to seek help. Addiction does not discriminate—it affects people of all ages, backgrounds, and professions, from longtime locals to new arrivals.

Fortunately, a range of addiction treatment centers serve Castro Valley and the surrounding East Bay area. Whether you need outpatient support to maintain work and family obligations or a residential program offering a structured environment, there are options designed to meet you where you are. Recovery is possible, and the first step is simply reaching out to explore what kind of care fits your life. You deserve compassionate, professional help—and it’s closer than you think.

Frequently Asked Questions

How many addiction treatment centers are in Castro Valley?

Our directory lists 2 addiction treatment facilities in Castro Valley, CA.

What types of addiction do treatment centers handle?

Most addiction treatment centers treat a range of substance use disorders including alcohol, opioids, stimulants, benzodiazepines, and other drugs. Some also treat behavioral addictions. Contact facilities directly to confirm they treat your specific concern.

How long does addiction treatment take?

Treatment length varies by individual need. Programs range from 30 days to 90 days or longer for residential treatment. Outpatient programs may continue for several months. Research suggests longer treatment durations are associated with better outcomes.

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.

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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).