Boiler Technician License in California
Everything you need to know about getting your boiler technician license in California. A state license is required.
California Note: Licensed through the Division of Occupational Safety and Health.
How to Get Licensed: Step by Step
Meet Basic Requirements
Be at least 18 years old with a valid ID. Pass a background check.
Complete Education
High school diploma or GED; boiler technology coursework preferred
Gain 2 Years of Experience
Minimum 2 years of boiler operation or maintenance experience.
Pass the Boiler Operator Exam
Register with National Board of Boiler and Pressure Vessel Inspectors and pass the required licensing exam.
Obtain Insurance & Bonding
Secure General Liability, Workers Compensation insurance.
Submit Application
Apply to the California Contractors State License Board (CSLB). Pay the application and license fees.
Requirements
| Age Requirement | 18+ |
| Experience | 2 years — Minimum 2 years of boiler operation or maintenance experience. |
| Education | High school diploma or GED; boiler technology coursework preferred |
| Background Check | Required |
Fee Breakdown
Exam Information
- Exam Name
- Boiler Operator Exam
- Provider
- National Board of Boiler and Pressure Vessel Inspectors
- Exam Fee
- $180
Insurance & Bonding
Insurance Requirements
Required Types:
- General Liability
- Workers Compensation
Minimum Coverage:
$500,000 per occurrence / $1,000,000 aggregate
Continuing Education
- Hours Required
- 8 hours
- Period
- Every 2 years
License Reciprocity
California has reciprocity agreements with the following states. This typically means the trade exam may be waived, but you'll still need to meet other state requirements.
Frequently Asked Questions
Do I need a license to work as a boiler technician in California?
How much does a boiler technician license cost in California?
How long does it take to get a boiler technician license in California?
Is there a boiler technician exam in California?
Does California have reciprocity with other states for boiler technician licenses?
Last verified: March 4, 2026
Information sourced from California Contractors State License Board (CSLB). Always verify directly with the licensing authority for the most current requirements.
See something inaccurate?
Licensing requirements change frequently. If you notice outdated or incorrect information about California Boiler Operator/Technician License, please let us know.