Los Angeles County Police & Sheriff Agencies
Los Angeles County has multiple law-enforcement agencies that may arrest and book individuals. Agencies such as CHP, airport, transit, school, college, and university police may arrest someone in Los Angeles County even though the person later appears in a city or county custody system. Identifying the arresting agency is the first step in locating an inmate.
Los Angeles County Sheriff's Department
The LASD is the primary law-enforcement agency for unincorporated Los Angeles County and provides contract policing to dozens of cities. LASD operates the county jail system and maintains the official inmate locator.
Los Angeles Police Department
LAPD serves the City of Los Angeles and operates its own custody facilities. LAPD directs the public to the LASD Inmate Information Center for custody lookups and states that records may not be available for bookings in the most recent two hours.
Municipal Police Departments
Many incorporated cities in Los Angeles County operate their own police departments. A person arrested by a municipal department may be held locally, transferred to LASD county custody, released, or taken to court. Use the city directory to identify the responsible agency for a specific city.
Browse All 88 CitiesOther Arresting Agencies
Other agencies that may arrest individuals in Los Angeles County include the California Highway Patrol, Los Angeles Airport Police, Los Angeles Metro Transit Security, school district police, and campus police at colleges and universities. Persons arrested by these agencies may be booked into a city or county facility depending on the circumstances.
Municipal Police Departments Serving Los Angeles County Cities
The directory below lists the 45 unique non-LASD agencies serving the 46 incorporated cities with their own or contracted police departments. Whittier Police Department provides contract law-enforcement services to both Whittier and Santa Fe Springs.
Huntington Park Police Department
Manhattan Beach Police Department
Palos Verdes Estates Police Department
Whittier Police Department
Can't Identify the Arresting Agency?
Submit the available information and the arresting agency can be researched.
Verify custody, hours, and visiting availability with the arresting agency or official facility before traveling. Information reviewed August 2026.