Maintains directories of licensed and certified facilities and programs, county alcohol and other drug offices, and referral information.

The Licensing and Certification Branch provides a list of programs based on the services provided:

• SUD Recovery Treatment Facilities:  An alphabetical list by county of all non-medical alcoholism and drug abuse recovery or treatment facilities licensed and/or certified by the Department of Health Care Services.
• Narcotic Treatment Programs (NTP): Provide opioid medication-assisted treatment to those persons addicted to opiates. NTPs also provide detoxification and/or maintenance treatment services which include medical evaluations and rehabilitative services to help the patient become and/or remain productive members of society. (e.g. Methadone Clinics).
• Driving Under the Influence (DUI): Provides a statewide listing of all licensed DUI program service providers in California, grouped by county. The Driving-Under-the-Influence (DUI) Unit licenses and performs compliance monitoring on all DUI programs in California.