List of law enforcement agencies in California

vehicles, 2010. • California Department of Justice • Division of Law Enforcement • California Bureau of Investigation • California Bureau of Firearms • California Bureau of Forensic Services • California Bureau of Gambling Control • Division of Medi-Cal Fraud & Elder Abuse • California Department of Corrections and Rehabilitation • Business, Consumer Services and Housing Agency • California Department of Alcoholic Beverage Control • California Department of Consumer Affairs Division of Investigation • California Resources Agency • California Department of Fish and Wildlife • California Natural Resources Agency • California State Parks Peace Officers • California Environmental Protection Agency • California Department of Toxic Substances Control • California State Transportation Agency • California Department of Motor Vehicles Investigations Division • California Highway Patrol • California Department of Insurance Fraud Division • California Government Operations Agency • California Franchise Tax Board Criminal Investigations Bureau (CFTB-CIB) • California Lottery Security Law Enforcement Division • California Health and Human Services Agency • California Department of Health Care Services • California Department of Public Health • California Department of State Hospitals Law Enforcement Office of Protective Services (California Department of State Hospitals Police) • California Department of Developmental Services Office of Protective Services • California Labor and Workforce Development Agency • California Employment Development Department Investigation Division == County agencies ==

(top) and Los Angeles County Sheriff's Department Transit Services Bureau (bottom) patrol cars • Alameda County Sheriff's Office • Alameda County Probation Department • Alpine County Sheriff's Office • Amador County Sheriff's Office • Butte County Sheriff's Department • Calaveras County Sheriff's Department • Colusa County Sheriff's Office • Contra Costa County Sheriff's Office • Del Norte County Sheriff's Office • El Dorado County Sheriff's Office • Fresno County Sheriff's Office • Glenn County Sheriff's Office • Humboldt County Sheriff's Office • Imperial County Sheriff's Office • Inyo County Sheriff's Office • Kern County Sheriff's Office • Kern County Probation Department • Kern County Parks and Recreation Park Rangers • Kings County Sheriff's Office • Lake County Sheriff's Department • Lassen County Sheriff's Office • Los Angeles County Sheriff's Department (LASD) • Los Angeles County Probation Department • Madera County Sheriff's Department • Marin County Sheriff's Office • Mariposa County Sheriff's Department • Mendocino County Sheriff's Office • Merced County Sheriff's Office • Modoc County Sheriff's Office • Mono County Sheriff's Department • Monterey County Sheriff's Office • Napa County Sheriff's Department • Nevada County Sheriff's Office • Orange County Sheriff's Department • Placer County Sheriff's Office • Plumas County Sheriff's Office • Riverside County Sheriff's Department • Sacramento County Sheriff's Department • Sacramento County Park Rangers • San Benito County Sheriff's Office • San Bernardino County Sheriff's Department • San Bernardino County Probation Department • San Diego County Sheriff's Department • San Diego County Probation Department • San Francisco Sheriff's Department • San Joaquin County Sheriff's Department • San Luis Obispo County Sheriff's Department • San Mateo County Sheriff's Office • Santa Barbara County Sheriff's Office • Santa Clara County Sheriff's Office • Santa Clara County Park Rangers • Santa Clara County Department of Correction • Santa Cruz County Sheriff's Office • Shasta County Sheriff's Office • Shasta County Marshal's Office • Sierra County Sheriff's Office • Siskiyou County Sheriff's Department • Solano County Sheriff's Office • Sonoma County Sheriff's Department • Sonoma County Park Rangers • Stanislaus County Sheriff's Department • Sutter County Sheriff's Department • Tehama County Sheriff's Office • Trinity County Sheriff's Department • Trinity County Marshal's Office • Tulare County Sheriff's Office • Tuolumne County Sheriff's Office • Ventura County Sheriff's Office • Yolo County Sheriff's Department • Yuba County Sheriff's Department == Municipal agencies ==

, on 1st Street in downtown Los Angeles. • Alameda Police Department • Albany Police Department • Alhambra Police Department • Alturas Police Department • Anaheim Police Department • Anderson Police Department • Angels Camp Police Department • Antioch Police Department • Arcadia Police Department • Arcata Police Department • Arroyo Grande Police Department • Arvin Police Department • Atascadero Police Department • Atherton Police Department • Atwater Police Department • Auburn Police Department • Avenal Police Department • Azusa Police Department • Bakersfield Police Department • Baldwin Park Police Department • Banning Police Department • Barstow Police Department • Bear Valley Police Department • Beaumont Police Department • Bell Police Department • Bell Gardens Police Department • Belmont Police Department • Belvedere Police Department • Benicia Police Department • Berkeley Police Department • Beverly Hills Police Department • Bishop Police Department • Blythe Police Department • Brawley Police Department • Brea Police Department • Brentwood Police Department • Brisbane Police Department • Buena Park Police Department • Burbank Police Department • Burlingame Police Department • Calexico Police Department • California City Police Department • Calipatria Police Department • Calistoga Police Department • Campbell Police Department • Capitola Police Department • Carlsbad Police Department • Carmel Police Department • Cathedral City Police Department • Central Marin Police Authority (joint powers agency comprising the cities of Corte Madera, Larkspur, and San Anselmo) • Ceres Police Department • Chico Police Department • Chino Police Department • Chowchilla Police Department • Chula Vista Police Department • Citrus Heights Police Department • Claremont Police Department • Clayton Police Department • Clearlake Police Department • Cloverdale Police Department • Clovis Police Department • Coalinga Police Department • Colma Police Department • Colton Police Department • Colusa Police Department • Concord Police Department • Corcoran Police Department • Corning Police Department • Corona Police Department • Coronado Police Department • Costa Mesa Police Department • Cotati Police Department • Covina Police Department • Crescent City Police Department • Culver City Police Department • Cypress Police Department • Daly City Police Department • Davis Police Department • Del Rey Oaks Police Department • Delano Police Department • Desert Hot Springs Police Department • Dinuba Police Department • Dixon Police Department • Dos Pablos Police Department • Downey Police Department • East Palo Alto Police Department • El Cajon Police Department • El Centro Police Department • El Cerrito Police Department • El Monte Police Department • El Segundo Police Department • Elk Grove Police Department • Emeryville Police Department • Escalon Police Department • Escondido Police Department • Etna Police Department • Eureka Police Department • Exeter Police Department • Fairfax Police Department • Fairfield Police Department • Farmersville Police Department • Ferndale Police Department • Firebaugh Police Department • Folsom Police Department • Fontana Police Department • Fort Bragg Police Department • Fortuna Police Department • Foster City Police Department • Fountain Valley Police Department • Fowler Police Department • Fremont Police Department • Fresno Police Department • Fullerton Police Department • Galt Police Department • Garden Grove Police Department • Gardena Police Department • Gilroy Police Department • Glendale Police Department • Glendora Police Department • Gonzales Police Department • Grass Valley Police Department • Greenfield Police Department • Gridley Police Department • Grover Beach Police Department • Guadlupe Police Department • Gustine Police Department • Hanford Police Department • Hawthorne Police Department • Hayward Police Department • Healdsburg Police Department • Hemet Police Department • Hercules Police Department • Inglewood Police Department • Ione Police Department • Irvine Police Department • Irwindale Police Department • Jackson Police Department • Kensington Police Department • Kerman Police Department • King City Police Department • Kingsburg Police Department • La Habra Police Department • La Mesa Police Department • La Palma Police Department • La Verne Police Department • Laguna Beach Police Department • Lakeport Police Department • Lathrop Police Department • Lemoore Police Department • Lincoln Police Department • Lindsay Department of Public Safety • Livermore Police Department • Livingston Police Department • Lodi Police Department • Lompoc Police Department • Long Beach Police Department • Los Alamitos Police Department • Los Altos Police Department • Los Angeles Police Department • Los Angeles Bureau of Street Services, Investigation and Enforcement Division • Los Angeles Sanitation and Environmental, Compliance and Enforcement Division • Los Banos Police Department • Los Gatos/Monte Sereno Police Department • Madera Police Department • Mammoth Lakes Police Department • Manhattan Beach Police Department • Manteca Police Department • Marina Police Department • Martinez Police Department • Marysville Police Department • McFarland Police Department • Mendota Police Department • Menifee Police Department • Menlo Park Police Department • Maricopa Police Department • Merced Police Department • Mill Valley Police Department • Milpitas Police Department • Modesto Police Department • Monrovia Police Department • Montclair Police Department • Montebello Police Department • Monterey Police Department • Monterey Park Police Department • Moraga Police Department • Morgan Hill Police Department • Morro Bay Police Department • Mount Shasta Police Department • Mountain View Police Department • Murrieta Police Department • Napa Police Department • National City Police Department • Nevada City Police Department • Newark Police Department • Newman Police Department • Newport Beach Police Department • Novato Police Department • Oakdale Police Department • Oakland Police Department • Oakland Housing Authority Police Department • Oakley Police Department • Oceanside Police Department • Ontario Police Department • Orange Police Department • Orange Cove Police Department • Orland Police Department • Oroville Police Department • Oxnard Police Department • Pacific Grove Police Department • Pacifica Police Department • Palm Springs Police Department • Palo Alto Police Department • Palos Verdes Estates Police Department • Paradise Police Department • Parlier Police Department • Pasadena Police Department • Paso Robles Police Department • Petaluma Police Department • Piedmont Police Department • Pinole Police Department • Pismo Beach Police Department • Pittsburg Police Department • Placentia Police Department • Placerville Police Department • Pleasant Hill Police Department • Pleasanton Police Department • Pomona Police Department • Port Hueneme Police Department • Porterville Police Department • Red Bluff Police Department • Redding Police Department • Redlands Police Department • Redondo Beach Police Department • Redwood City Police Department • Reedley Police Department • Rialto Police Department • Richmond Police Department • Ridgecrest Police Department • Rio Dell Police Department • Ripon Police Department • Riverside Police Department • Rocklin Police Department • Rohnert Park Department of Public Safety • Roseville Police Department • Ross Police Department • Sacramento Police Department • Salinas Police Department • San Bernardino Police Department • San Bruno Police Department • San Carlos Police Department • San Diego Police Department • San Fernando Police Department • San Francisco Police Department • San Gabriel Police Department • San Jose Police Department • San Leandro Police Department • San Luis Obispo Police Department • San Marino Police Department • San Mateo Police Department • San Pablo Police Department • San Rafael Police Department • San Ramon Police Department • Sand City Police Department • Sanger Police Department • Santa Ana Police Department • Santa Barbara Police Department • Santa Clara Police Department • Santa Cruz Police Department • Santa Maria Police Department • South Lake Tahoe Police Department • South Pasadena Police Department • South San Francisco Police Department • St. Helena Police Department • Stockton Police Department • Suisun City Police Department • Sunnyvale Department of Public Safety • Susanville Police Department • Sutter Creek Police Department • Taft Police Department • Tehachapi Police Department • Tiburon Police Department • Torrance Police Department • Tracy Police Department • Truckee Police Department • Tulare Police Department • Tulelake Police Department • Turlock Police Department • Tustin Police Department • Ukiah Police Department • Union City Police Department • Upland Police Department • Vacaville Police Department • Vallejo Police Department • Ventura Police Department • Vernon Police Department • Watsonville Police Department • Weed Police Department • West Covina Police Department • West Sacramento Police Department • Westminster Police Department • Westmoreland Police Department • Wheatland Police Department • Whittier Police Department • Williams Police Department • Willits Police Department • Winters Police Department • Woodlake Police Department • Woodland Police Department • Yreka Police Department • Yuba City Police Department ==Tribal agencies==

• Bear River Police Department • Blue Lake Rancheria Tribal Police Department • Cahto Tribal Police Department • Hoopa Valley Tribal Police Department • Round Valley Tribal Police Department • Yurok Tribal Police Department == College and university agencies ==

• Azusa Pacific University Campus Safety • California State University police departments • Chapman University Department of Public Safety • Notre Dame de Namur University Department of Public Safety • Saint Mary's College of California Department of Public Safety • Stanford University Department of Public Safety • University of California police departments • University of the Pacific Police Department • University of San Diego Department of Public Safety • University of San Francisco Department of Public Safety • University of Southern California Department of Public Safety Community colleges • Allan Hancock Community College Police Department • Antelope Valley College District Police • Cerritos Community College Police Department • Chaffey College Police Department • Coastline Community College District Police Department • Coastline Community College Public Safety • College of the Sequoias District Police Department • Compton College Police Department • Contra Costa Community College District Police Services • Crafton Hills Community College Police Services • Cuesta College Police Department • El Camino College Police Department • Foothill-De Anza College District Police Department • Glendale Community College District Police Department • Goldenwest College Public Safety • Hartnell College Campus Safety Department • Irvine Valley College Police Department • Los Rios Community College Police Department • Marin Community College District Police Department • Merced Community College Police Department • Pasadena Area Community College District Police Department • Riverside Community College District Police • Saddleback College Police Department • San Bernardino Community College District Police Department • San Diego Community College District Police Department • San Francisco Community College Police Department • San Joaquin Delta College District Police Department • San Jose/Evergreen College District Police Department • San Mateo Community College District Department of Public Safety • Santa Rosa Junior College District Police Department • Santa Monica College Police Department • Shasta College Campus Safety Department • Solano Community College Police Department • South Orange County Community College District Department of Campus Safety • Southwestern Community College Police Department • State Center Community College District Police Department • Ventura County Community College Police Department • Victor Valley College Police Department • West Valley-Mission Community College District Police • Yuba College Police Department == K–12 school agencies ==

• Apple Valley Unified School District Police Department • Baldwin Park Unified School District Police • Val Verde Unified School Police Department • Victor Valley Union High School District Police Department • West Contra Costa Unified School District Police Department == Special district and other agencies ==

• Bear Valley Police Department (Bear Valley Community Services District) • Bethel Island Municipal Improvement District (BIMID) • Broadmoor Police Protection District • Capistrano Bay Police Department (Capistrano Bay Community Services District) • Kensington Police Protection and Community Services District • Lake Shastina Police Department (Lake Shastina C.S.D.) • Stallion Springs Police Department • Town of Discovery Bay Community Services District (CSD) Animal • Los Angeles Society for the Prevention of Cruelty to Animals Law Enforcement Division • San Diego Humane Society Humane Law Enforcement Parks • California Exposition & State Fair Police (Cal Expo Police) • East Bay Regional Park District Police Department • Exposition Park Department of Public Safety • Fulton–El Camino Park Police Department • Long Beach Park Rangers (enveloped into Long Beach Police Department, disbandment proposed in late 2022) • Los Angeles Park Ranger Division • Midpeninsula Regional Open Space District Ranger Division • Montebello Park Rangers • Monterey County Park Rangers • San Francisco Park Patrol • Santa Ana Park Rangers • Mountains Recreation and Conservation Authority Rangers Transit • BART Police • Metropolitan Transit System Police Department • Napa Valley Railroad Police Department • Sacramento Regional Transit Police Airport • Burbank-Glendale-Pasadena Airport Authority Police • Los Angeles Airport Police • Kern County Airport Police • Monterey Peninsula Airport Police • Stockton Metropolitan Airport Police • Santa Barbara Municipal Airport Airport Police Port and harbor • Long Beach Harbor Patrol • Los Angeles Port Police • Port of San Diego Harbor Police • Port of Stockton Police • Santa Cruz Harbor Patrol == Defunct agencies ==

• California State Police (merged into California Highway Patrol in 1995) • California State Rangers (disbanded in 1853) • California Bureau of Narcotic Enforcement (merged into California Bureau of Investigation in 2012) • Alviso Police Department (merged into San Jose Police Department in 1968, when City of Alviso annexed into City of San Jose) • Avalon Police Department (replaced by Los Angeles County Sheriff's Department in 1962) • Blue Lake Police Department (merged with Humboldt County Sheriff's Department in 2008, partially replaced by Blue Lake Rancheria Tribal Police Department) • Compton Police Department (disbanded in 2000, replaced by Los Angeles County Sheriff's Department) • Dorris Police Department (replaced by Siskiyou County Sheriff's Office in 1996) • Dunsmuir Police Department (replaced by Siskiyou County Sheriff's Office in 1992) • Grossmont-Cuyamaca Community College Police Department (replaced by San Diego County Sheriff's Department in 2013) • Half Moon Bay Police Department (replaced by San Mateo County Sheriff's Office in 2011) • Holtville Police Department (merged into Imperial County Sheriffs' Office in 2010) • Housing Authority City of Los Angeles Police Department (replaced by Los Angeles Police Department, December 31, 2003) • Imperial Beach Police Department (merged into San Diego County Sheriff's Department, 1982) • Isleton Police Department (replaced by Sacramento County Sheriff's Department, 2012) • Los Angeles City Marshal (disbanded in 1876) • Los Angeles General Services Police (now replaced by Los Angeles Police Department (LAPD) Security Services Division in 2012) • Los Angeles Community College District Police Department (merged into LASD Community College Bureau in 2001) • Los Angeles County Office of Public Safety (dissolved in 2010, duties assumed by the LASD County Services Bureau and Parks Bureau) • Los Angeles County Marshal’s Department (merged into Los Angeles County Sheriff’s Department in 1994) • Los Angeles County Metropolitan Transportation Authority Transit Police Department (disbanded, assets divided between LAPD and LASD, 1997; formerly the Southern California Rapid Transit District (RTD) Transit Police Department and RTD Transit Public Safety Department) • Los Angeles Metropolitan Transit Authority Special Agents Department • Los Angeles Railway Special Agents Department (merged into Los Angeles Metropolitan Transit Authority Special Agents Department, 1958) • Maywood-Cudahy Police Department (disbanded, June 30, 2010; replaced by LASD) • Millbrae Police Department (replaced by San Mateo County Sheriff's Office in 2012) • Montague Police Department (replaced by Siskiyou County Sheriff's Office in 1983) • Oakland Unified School District Police Department (disbanded in 2020) • Orange County Marshal’s Department (absorbed into Orange County Sheriff's Department in 1 July 2000) • Pacific Electric Special Agents Department (merged into Los Angeles Metropolitan Transit Authority Special Agents Department, 1958) • San Bernardino County Marshal’s Department (Merged into San Bernardino County Sheriff's Department Court Services Division in 1999) • Santa Clara County Transit Police (replaced by Santa Clara County Sheriff's Department Transit Patrol Division) • San Anselmo Police Department (merged into Twin Cities Police Authority to form Central Marin Police Authority in 2013) • San Carlos Police Department (replaced by San Mateo County Sheriff's Office in 2010) • San Diego County Marshal's Office (merged into San Diego County Sheriff's Department Court Services Bureau on January 1, 2000) • San Juan Bautista Police Department (replaced by San Benito County Sheriff’s Office in 1993) • Stanton Police Department (merged into Orange County Sheriff's Department (OCSD), February 1988) • San Francisco Patrol Special Police (disbanded in 2024) • Trinidad Police Department (duties assumed by Humboldt County Sheriff's Department, 2010; partially replaced by Trinidad Rancheria Police Department) • Twin Cities Police Authority (merged with San Anselmo Police Department form into Central Marin Police Authority in 2013) == See also ==