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Addiction and Mental Health Treatment Centers Map

Where to find addiction and mental health treatment, from the federal SAMHSA locator.

The map shows 18,863 addiction and mental health treatment centers. California has the most (1,492), then New York (1,166) and Ohio (947).

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18,863addiction and mental health treatment centers on the map
Californiahas the most (1,492)
52of the 50 states, DC and Puerto Rico have at least one
Addiction & mental health treatment on the Map the Block map of the United StatesOpen the live map →

💚States with the most addiction and mental health treatment centers

California1,492
New York1,166
Ohio947
Pennsylvania827
Florida813
Illinois793
Texas735
Maryland662
North Carolina580
Arizona560

🔎About this data

Licensed or certified addiction and mental health treatment: outpatient, residential, detox and hospital programs. Call first to check openings, cost and what they treat. In crisis? Call or text 988. Free, confidential help finding treatment, 24/7: SAMHSA National Helpline 1-800-662-4357, or search findtreatment.gov.

Source: U.S. Substance Abuse and Mental Health Services Administration (SAMHSA), FindTreatment.gov directory (October 10, 2026)

Coverage: Nationwide (50 states, DC, Puerto Rico and territories). About 2,200 listed sites, often residential homes, have no map location in the federal directory and are not shown

How it was checked: All 27,730 directory listings were downloaded (matches the directory's own count) and merged into 18,863 mapped sites. 1,971 are certified opioid treatment programs (methadone clinics); SAMHSA says it certifies more than 1,900.

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All 18,863 rows as CSV or GeoJSON, refreshed when the map updates. Included with the Data API from $19 a month (commercial use from $79).

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Dataset treatment_sites · full file at /api/v1/bulk/treatment_sites.csv with your key · see the data terms.

💬Questions and answers

How many addiction and mental health treatment centers are there in the United States?

The map shows 18,863 addiction and mental health treatment centers. California has the most (1,492), then New York (1,166) and Ohio (947).

Where does this data come from?

U.S. Substance Abuse and Mental Health Services Administration (SAMHSA), FindTreatment.gov directory (October 10, 2026). Coverage: Nationwide (50 states, DC, Puerto Rico and territories). About 2,200 listed sites, often residential homes, have no map location in the federal directory and are not shown.

Is the map free to use?

Yes. Map the Block is free, with no ads or paywall. You may quote figures with credit to Map the Block (maptheblock.com); for bulk or commercial use there is a Data API.

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Numbers computed from the live map data on October 18, 2026. Free to quote with credit to “Map the Block (maptheblock.com)”; see reuse terms.