Horizon Services, Inc. – Palm Avenue Detox is an addiction treatment center and mental health service located at 2251 Palm Ave, San Mateo, CA 94403. We offer a supportive environment for individuals seeking recovery and mental wellness. Our facility operates 24 hours a day, providing continuous care and support to those in need. For more information, please visit our website at horizonservices.org or call us at +16505136500.

What they offer:

Inpatient Residential Outpatient Medical Detox Mental Health Services Standard Outpatient Court Ordered Legal Diversion LGBTQ Friendly Programs For Families Programs For Teens

Working Hours:

Monday: Open 24 hours
Tuesday: Open 24 hours
Wednesday: Open 24 hours
Thursday: Open 24 hours
Friday: Open 24 hours
Saturday: Open 24 hours
Sunday: Open 24 hours

Facility Gallery

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Call the Facility

+16505136500

Anxiety Symptoms

Depression Treatment

Signs of Bipolar Disorder

OCD Treatment

Alcohol Addiction

Opioid Addiction

Fentanyl

ADHD Diagnosis

Featured Resources

Help for Loved Ones

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02/11/2026

Help for Loved Ones: Support Without Losing Yourself Caring about someone who’s struggling with alcohol, drugs, or mental health is hard. Clear, practical steps are crucial to start a safe conversation, set kind boundaries, and support treatment without making promises or doing it all alone. Our website is for information only. We help you understand […]