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How to become a private investigator in California

California private investigators are licensed by the Bureau of Security and Investigative Services (BSIS), Department of Consumer Affairs. Here is what it takes to work as a licensed private investigator in California, from official sources checked November 4, 2026.

Part of the state's website could not be reached when we checked, so some details come from California law and official forms. Confirm them on the official page before you apply.

Who can become a private investigator in California?

California private investigator license requirements

State licenseYes. California requires private investigators to be licensed by the Bureau of Security and Investigative Services.
Licensed byBureau of Security and Investigative Services (BSIS), Department of Consumer Affairs
License namePrivate Investigator License
Education or trainingA law degree or a four-year police science degree can replace one year of experience. An associate degree in police science, criminal law or justice can replace half a year.
ExperienceThree years (6,000 hours) of paid investigative experience, or 4,000 hours with a law or four-year police science degree, or 5,000 hours with a related associate degree.
ExamTwo-hour multiple-choice exam given by PSI on laws, regulations, terminology, liability, evidence handling, undercover work and surveillance.
License termRenew before expiration. The license term is not stated on the pages reviewed.

How much does it cost?

Initial application and exam$374
Initial license$424
Re-examination$66
Renewal application$292
Delinquent renewal$438

Fees as listed by the state. Schools, courses, exam prep, insurance and equipment cost extra and vary by provider.

Steps to become a private investigator in California

  1. Build qualifying experience certified by your employers
  2. Apply on BreEZe or by mail with the $374 application and exam fee
  3. Submit Live Scan fingerprints after applying
  4. Schedule and pass the PSI exam
  5. Pay the $424 initial license fee

Apply on the official California site

How do you check a private investigator's license in California?

Questions people ask

Do you need a license to be a private investigator in California?

Yes. California requires a Private Investigator License from the Bureau of Security and Investigative Services (BSIS), Department of Consumer Affairs.

How much does a private investigator license cost in California?

The fees the state lists include initial application and exam $374, initial license $424, re-examination $66, renewal application $292. Schools, courses, exam prep and insurance cost extra and vary by provider.

How do I check a private investigator's license in California?

Search the person's name or license number on the official California license lookup, and check that the status is active.

How long does a private investigator license last in California?

Renew before expiration. The license term is not stated on the pages reviewed.

How to become a private investigator in other states

Sources: https://www.bsis.ca.gov/forms_pubs/pi_fact.shtml · https://www.bsis.ca.gov/forms_pubs/pi_app.pdf · https://www.bsis.ca.gov/forms_pubs/newfees.pdf. Expert Helper is not a government agency; rules change, so confirm with the state before you apply.