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.
On this page
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.
| Board | Licenses it covers | Search | Complaints |
|---|---|---|---|
| Board of Barbering and Cosmetology (BBC) | cosmetologists | License search1 | File a complaint1 |
| California Secretary of State (SOS) | notaries | License search2 | File a complaint2 |
| Board of Registered Nursing (BRN) | registered nurses | License search3 | – |
| California Department of Insurance (CDI) | insurance agents | License search4 | – |
| Contractors State License Board (CSLB) | plumbers, electricians and general contractors | License search5 | File a complaint6 |
| California Department of Public Health (CDPH) | nursing assistants | License search7 | File a complaint7 |
| Department of Industrial Relations (DIR) | electricians | License search8 | File a complaint8 |
| Bureau of Security and Investigative Services (BSIS) | security guards | License search9 | – |
| California Massage Therapy Council (CAMTC) | massage therapists | License search10 | – |
| Department of Real Estate (DRE) | real estate agents | License search11 | File 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.
- ApplicantsCalifornia Board of Barbering and CosmetologyChecked November 7, 2026
- Notary Public & ApostilleCalifornia Secretary of StateChecked November 6, 2026
- Licensee FAQsCalifornia Board of Registered NursingChecked November 7, 2026
- Check a LicenseCalifornia Department of InsuranceChecked November 7, 2026
- Check A License - CSLBContractors State License BoardChecked November 7, 2026
- Filing a Construction Complaint - CSLBContractors State License BoardChecked November 7, 2026
- Certified Nurse AssistantCalifornia Department of Public HealthDated September 18, 2026Checked November 7, 2026
- Electrician certification programDepartment of Industrial Relations, Division of Labor Standards EnforcementDated October 22, 2026Checked November 7, 2026
- Proprietary Private Security Officer Fact SheetBureau of Security and Investigative ServicesChecked November 7, 2026
- Verify CertificationCalifornia Massage Therapy Council (CAMTC), nonprofit council established by Cal. Bus. & Prof. Code 4602Checked November 7, 2026
- Public License Lookup - DREDepartment of Real EstateChecked November 6, 2026
- Filing a ComplaintCalifornia Department of Real EstateChecked November 6, 2026