California Private Investigators

The California Private Investigator Firm works with the best private detectives and investigators in the State of California. Find and hire local private investigators in California near you.

Los Angeles CA

  • Los Angeles County
  • City Population: 3,792,621

San Diego CA

  • San Diego County
  • City Population: 1,301,617

San Jose CA

  • Santa Clara County
  • City Population: 945,942

San Francisco CA

  • San Francisco County
  • City Population: 805,235

Fresno CA

  • Fresno County
  • City Population: 494,665

Sacramento CA

  • Sacramento County
  • City Population: 466,488

Long Beach CA

  • Los Angeles County
  • City Population: 462,257

Oakland CA

  • Alameda County
  • City Population: 390,724

Bakersfield CA

  • Kern County
  • City Population: 347,483

Anaheim CA

  • Orange County
  • City Population: 336,265

Santa Ana CA

  • Orange County
  • City Population: 324,528

Riverside CA

  • Riverside County
  • City Population: 303,871

Stockton CA

  • San Joaquin County
  • City Population: 291,707

Chula Vista CA

  • San Diego County
  • City Population: 243,916

Fremont CA

  • Alameda County
  • City Population: 214,089

Irvine CA

  • Orange County
  • City Population: 212,375

San Bernardino CA

  • San Bernardino County
  • City Population: 209,924

Modesto CA

  • Stanislaus County
  • City Population: 201,165

Oxnard CA

  • Ventura County
  • City Population: 197,899

Fontana CA

  • San Bernardino County
  • City Population: 196,069

Moreno Valley CA

  • Riverside County
  • City Population: 193,365

Glendale CA

  • Los Angeles County
  • City Population: 191,719

Huntington Beach CA

  • Orange County
  • City Population: 189,992

Santa Clarita CA

  • Los Angeles County
  • City Population: 176,320

Garden Grove CA

  • Orange County
  • City Population: 170,883

Santa Rosa CA

  • Sonoma County
  • City Population: 167,815

Oceanside CA

  • San Diego County
  • City Population: 167,086

Rancho Cucamonga CA

  • San Bernardino County
  • City Population: 165,269

Ontario CA

  • San Bernardino County
  • City Population: 163,924

Lancaster CA

  • Los Angeles County
  • City Population: 156,633

Elk Grove CA

  • Sacramento County
  • City Population: 153,015

Palmdale CA

  • Los Angeles County
  • City Population: 152,750

Corona CA

  • Riverside County
  • City Population: 152,374

Salinas CA

  • Monterey County
  • City Population: 150,441

Pomona CA

  • Los Angeles County
  • City Population: 149,058

Torrance CA

  • Los Angeles County
  • City Population: 145,538

Hayward CA

  • Alameda County
  • City Population: 144,186

Escondido CA

  • San Diego County
  • City Population: 143,911

Sunnyvale CA

  • Santa Clara County
  • City Population: 140,081

Pasadena CA

  • Los Angeles County
  • City Population: 137,122

Fullerton CA

  • Orange County
  • City Population: 135,161

Orange CA

  • Orange County
  • City Population: 134,616

Thousand Oaks CA

  • Ventura County
  • City Population: 126,683

Visalia CA

  • Tulare County
  • City Population: 124,442

Simi Valley CA

  • Ventura County
  • City Population: 124,237

Concord CA

  • Contra Costa County
  • City Population: 122,067

Roseville CA

  • Placer County
  • City Population: 118,788

Santa Clara CA

  • Santa Clara County
  • City Population: 116,468

Vallejo CA

  • Solano County
  • City Population: 115,942

Victorville CA

  • San Bernardino County
  • City Population: 115,903

El Monte CA

  • Los Angeles County
  • City Population: 113,475

Berkeley CA

  • Alameda County
  • City Population: 112,580

Downey CA

  • Los Angeles County
  • City Population: 111,772

Costa Mesa CA

  • Orange County
  • City Population: 109,960

Inglewood CA

  • Los Angeles County
  • City Population: 109,673

Ventura CA

  • Ventura County
  • City Population: 106,433

West Covina CA

  • Los Angeles County
  • City Population: 106,098

Norwalk CA

  • Los Angeles County
  • City Population: 105,549

Carlsbad CA

  • San Diego County
  • City Population: 105,328

Fairfield CA

  • Solano County
  • City Population: 105,321

Richmond CA

  • Contra Costa County
  • City Population: 103,701

Murrieta CA

  • Riverside County
  • City Population: 103,466

Burbank CA

  • Los Angeles County
  • City Population: 103,340

Antioch CA

  • Contra Costa County
  • City Population: 102,372

Daly City CA

  • San Mateo County
  • City Population: 101,123

Temecula CA

  • Riverside County
  • City Population: 100,097

Santa Maria CA

  • Santa Barbara County
  • City Population: 99,553

El Cajon CA

  • San Diego County
  • City Population: 99,478

Rialto CA

  • San Bernardino County
  • City Population: 99,171

San Mateo CA

  • San Mateo County
  • City Population: 97,207

Compton CA

  • Los Angeles County
  • City Population: 96,455

Clovis CA

  • Fresno County
  • City Population: 95,631

Jurupa Valley CA

  • Riverside County
  • City Population: 95,004

South Gate CA

  • Los Angeles County
  • City Population: 94,396

Vista CA

  • San Diego County
  • City Population: 93,834

Mission Viejo CA

  • Orange County
  • City Population: 93,305

Vacaville CA

  • Solano County
  • City Population: 92,428

Carson CA

  • Los Angeles County
  • City Population: 91,714

Hesperia CA

  • San Bernardino County
  • City Population: 90,173

Redding CA

  • Shasta County
  • City Population: 89,861

Santa Monica CA

  • Los Angeles County
  • City Population: 89,736

Westminster CA

  • Orange County
  • City Population: 89,701

Santa Barbara CA

  • Santa Barbara County
  • City Population: 88,410

Chico CA

  • Butte County
  • City Population: 86,187

Whittier CA

  • Los Angeles County
  • City Population: 85,331

Newport Beach CA

  • Orange County
  • City Population: 85,186

San Leandro CA

  • Alameda County
  • City Population: 84,950

Hawthorne CA

  • Los Angeles County
  • City Population: 84,293

San Marcos CA

  • San Diego County
  • City Population: 83,781

Citrus Heights CA

  • Sacramento County
  • City Population: 83,301

Alhambra CA

  • Los Angeles County
  • City Population: 83,089

Tracy CA

  • San Joaquin County
  • City Population: 82,922

Livermore CA

  • Alameda County
  • City Population: 80,968

Buena Park CA

  • Orange County
  • City Population: 80,530

Lakewood CA

  • Los Angeles County
  • City Population: 80,048

Merced CA

  • Merced County
  • City Population: 78,958

Hemet CA

  • Riverside County
  • City Population: 78,657

Chino CA

  • San Bernardino County
  • City Population: 77,983

Menifee CA

  • Riverside County
  • City Population: 77,519

Lake Forest CA

  • Orange County
  • City Population: 77,264

Napa CA

  • Napa County
  • City Population: 76,915

Redwood City CA

  • San Mateo County
  • City Population: 76,815

Bellflower CA

  • Los Angeles County
  • City Population: 76,616

Indio CA

  • Riverside County
  • City Population: 76,036

Tustin CA

  • Orange County
  • City Population: 75,540

Baldwin Park CA

  • Los Angeles County
  • City Population: 75,390

Chino Hills CA

  • San Bernardino County
  • City Population: 74,799

Mountain View CA

  • Santa Clara County
  • City Population: 74,066

Alameda CA

  • Alameda County
  • City Population: 73,812

Upland CA

  • San Bernardino County
  • City Population: 73,732

Folsom CA

  • Sacramento County
  • City Population: 72,203

San Ramon CA

  • Contra Costa County
  • City Population: 72,148

Pleasanton CA

  • Alameda County
  • City Population: 70,285

Lynwood CA

  • Los Angeles County
  • City Population: 69,772

Union City CA

  • Alameda County
  • City Population: 69,516

Apple Valley CA

  • San Bernardino County
  • City Population: 69,135

Redlands CA

  • San Bernardino County
  • City Population: 68,747

Turlock CA

  • Stanislaus County
  • City Population: 68,549

Perris CA

  • Riverside County
  • City Population: 68,386

Manteca CA

  • San Joaquin County
  • City Population: 67,096

Milpitas CA

  • Santa Clara County
  • City Population: 66,790

Redondo Beach CA

  • Los Angeles County
  • City Population: 66,747

Davis CA

  • Yolo County
  • City Population: 65,622

Camarillo CA

  • Ventura County
  • City Population: 65,201

Yuba City CA

  • Sutter County
  • City Population: 64,925

Rancho Cordova CA

  • Sacramento County
  • City Population: 64,776

Palo Alto CA

  • Santa Clara County
  • City Population: 64,403

Yorba Linda CA

  • Orange County
  • City Population: 64,234

Walnut Creek CA

  • Contra Costa County
  • City Population: 64,173

South San Francisco CA

  • San Mateo County
  • City Population: 63,632

San Clemente CA

  • Orange County
  • City Population: 63,522

Pittsburg CA

  • Contra Costa County
  • City Population: 63,264

Laguna Niguel CA

  • Orange County
  • City Population: 62,979

Pico Rivera CA

  • Los Angeles County
  • City Population: 62,942

Montebello CA

  • Los Angeles County
  • City Population: 62,500

Lodi CA

  • San Joaquin County
  • City Population: 62,134

Madera CA

  • Madera County
  • City Population: 61,416

Monterey Park CA

  • Los Angeles County
  • City Population: 60,269

La Habra CA

  • Orange County
  • City Population: 60,239

Santa Cruz CA

  • Santa Cruz County
  • City Population: 59,946

Encinitas CA

  • San Diego County
  • City Population: 59,518

Tulare CA

  • Tulare County
  • City Population: 59,278

Gardena CA

  • Los Angeles County
  • City Population: 58,829

National City CA

  • San Diego County
  • City Population: 58,582

Cupertino CA

  • Santa Clara County
  • City Population: 58,302

Huntington Park CA

  • Los Angeles County
  • City Population: 58,114

Petaluma CA

  • Sonoma County
  • City Population: 57,941

San Rafael CA

  • Marin County
  • City Population: 57,713

La Mesa CA

  • San Diego County
  • City Population: 57,065

Rocklin CA

  • Placer County
  • City Population: 56,974

Arcadia CA

  • Los Angeles County
  • City Population: 56,364

Diamond Bar CA

  • Los Angeles County
  • City Population: 55,544

Woodland CA

  • Yolo County
  • City Population: 55,468

Fountain Valley CA

  • Orange County
  • City Population: 55,313

Porterville CA

  • Tulare County
  • City Population: 54,165

Paramount CA

  • Los Angeles County
  • City Population: 54,098

Hanford CA

  • Kings County
  • City Population: 53,967

Rosemead CA

  • Los Angeles County
  • City Population: 53,764

Eastvale CA

  • Riverside County
  • City Population: 53,670

Santee CA

  • San Diego County
  • City Population: 53,413

Highland CA

  • San Bernardino County
  • City Population: 53,104

Delano CA

  • Kern County
  • City Population: 53,041

Colton CA

  • San Bernardino County
  • City Population: 52,154

Novato CA

  • Marin County
  • City Population: 51,904

Lake Elsinore CA

  • Riverside County
  • City Population: 51,821

Brentwood CA

  • Contra Costa County
  • City Population: 51,481

Yucaipa CA

  • San Bernardino County
  • City Population: 51,367

Cathedral City CA

  • Riverside County
  • City Population: 51,200

Watsonville CA

  • Santa Cruz County
  • City Population: 51,199

Placentia CA

  • Orange County
  • City Population: 50,533

Glendora CA

  • Los Angeles County
  • City Population: 50,073

Cerritos CA

  • Los Angeles County
  • City Population: 49,041

Gilroy CA

  • Santa Clara County
  • City Population: 48,821

West Sacramento CA

  • Yolo County
  • City Population: 48,744

La Mirada CA

  • Los Angeles County
  • City Population: 48,527

Palm Desert CA

  • Riverside County
  • City Population: 48,445

Rancho Santa Margarita CA

  • Orange County
  • City Population: 47,853

Aliso Viejo CA

  • Orange County
  • City Population: 47,823

Poway CA

  • San Diego County
  • City Population: 47,811

Cypress CA

  • Orange County
  • City Population: 47,802

Covina CA

  • Los Angeles County
  • City Population: 47,796

Azusa CA

  • Los Angeles County
  • City Population: 46,361

Dublin CA

  • Alameda County
  • City Population: 46,036

Ceres CA

  • Stanislaus County
  • City Population: 45,417

San Luis Obispo CA

  • San Luis Obispo County
  • City Population: 45,119

Palm Springs CA

  • Riverside County
  • City Population: 44,552

San Jacinto CA

  • Riverside County
  • City Population: 44,199

Lincoln CA

  • Placer County
  • City Population: 42,819

El Centro CA

  • Imperial County
  • City Population: 42,598

Newark CA

  • Alameda County
  • City Population: 42,573

Lompoc CA

  • Santa Barbara County
  • City Population: 42,434

Bell Gardens CA

  • Los Angeles County
  • City Population: 42,072

Danville CA

  • Contra Costa County
  • City Population: 42,039

Rancho Palos Verdes CA

  • Los Angeles County
  • City Population: 41,643

San Bruno CA

  • San Mateo County
  • City Population: 41,114

Rohnert Park CA

  • Sonoma County
  • City Population: 40,971

Coachella CA

  • Riverside County
  • City Population: 40,704
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