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How to look up a license in California

To confirm a California license, search the board that issued it: BBC, SOS, BRN and 7 more for the cosmetologists, notaries, registered nurses and insurance agents, among others, we cover.

Last checked · 12 official sources

On this page
  1. Official license searches in California
  2. What each search covers
  3. How to check a license
  4. Sources

Official license searches in California

9 official searches from 10 boards cover the California licenses on this site (some boards share one state search). 6 of the rows also link a complaint page.

BoardLicenses it coversSearchComplaints
Board of Barbering and Cosmetology (BBC)cosmetologistsLicense search1File a complaint1
California Secretary of State (SOS)notariesLicense search2File a complaint2
Board of Registered Nursing (BRN)registered nursesLicense search3–
California Department of Insurance (CDI)insurance agentsLicense search4–
Contractors State License Board (CSLB)plumbers, electricians and general contractorsLicense search5File a complaint6
California Department of Public Health (CDPH)nursing assistantsLicense search7File a complaint7
Department of Industrial Relations (DIR)electriciansLicense search8File a complaint8
Bureau of Security and Investigative Services (BSIS)security guardsLicense search9–
California Massage Therapy Council (CAMTC)massage therapistsLicense search10–
Department of Real Estate (DRE)real estate agentsLicense search11File a complaint12

What each search covers

A board's search lists only its own licenses:

  • Board of Barbering and Cosmetology: the 2 credentials it issues for cosmetologists, including Cosmetologist and Apprentice (cosmetology).
  • California Secretary of State: the 2 credentials it issues for notaries, including Notary Public and Notary Public for military and naval reservations.
  • Board of Registered Nursing: the Registered Nurse.
  • California Department of Insurance: the 5 credentials it issues for insurance agents, including Life-Only Agent, Accident and Health Agent, Casualty Broker-Agent, Personal Lines Broker-Agent and Property Broker-Agent.
  • Contractors State License Board: the 5 credentials it issues for plumbers, electricians and general contractors, including C-36 - Plumbing Contractor, C-10 - Electrical Contractor, B - General Building Contractor, A - General Engineering Contractor and B-2 – Residential Remodeling Contractor.
  • California Department of Public Health: the Certified Nurse Assistant (CNA).
  • Department of Industrial Relations: the 6 credentials it issues for electricians, including General Electrician, Electrician Trainee, Fire/Life Safety Technician, Nonresidential Lighting Technician, Residential Electrician and Voice Data Video Technician.
  • Bureau of Security and Investigative Services: the 5 credentials it issues for security guards, including Security Guard Registration, Baton Permit, Firearms Permit (Firearms Qualification Card / Exposed Firearms Permit), Proprietary Private Security Officer (PSO) registration and Private Patrol Operator (PPO) license.
  • California Massage Therapy Council: the 2 credentials it issues for massage therapists, including Certified Massage Therapist (CMT) and Certified Massage Practitioner (CMP).
  • Department of Real Estate: the 2 credentials it issues for real estate agents, including Real Estate Salesperson and Real Estate Broker.

How to check a license

Search the board for the work you are hiring for, then check the status, the license type and the expiration date (what to check in the result).

The occupation pages explain what each license level allows: cosmetologists, notaries, registered nurses, insurance agents, plumbers, electricians, general contractors, nursing assistants, security guards, massage therapists, real estate agents.

Sources

Every number and rule above links to one of these official pages. Select a footnote number to read the board's own words.

  1. ApplicantsCalifornia Board of Barbering and CosmetologyChecked November 7, 2026
  2. Notary Public & ApostilleCalifornia Secretary of StateChecked November 6, 2026
  3. Licensee FAQsCalifornia Board of Registered NursingChecked November 7, 2026
  4. Check a LicenseCalifornia Department of InsuranceChecked November 7, 2026
  5. Check A License - CSLBContractors State License BoardChecked November 7, 2026
  6. Filing a Construction Complaint - CSLBContractors State License BoardChecked November 7, 2026
  7. Certified Nurse AssistantCalifornia Department of Public HealthDated September 18, 2026Checked November 7, 2026
  8. Electrician certification programDepartment of Industrial Relations, Division of Labor Standards EnforcementDated October 22, 2026Checked November 7, 2026
  9. Proprietary Private Security Officer Fact SheetBureau of Security and Investigative ServicesChecked November 7, 2026
  10. Verify CertificationCalifornia Massage Therapy Council (CAMTC), nonprofit council established by Cal. Bus. & Prof. Code 4602Checked November 7, 2026
  11. Public License Lookup - DREDepartment of Real EstateChecked November 6, 2026
  12. Filing a ComplaintCalifornia Department of Real EstateChecked November 6, 2026