• Low-pressure steam boiler
• Water-heating boiler

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• Boilers
• High-pressure piping

• Historical boilers main
• Historical boiler licensing

Boiler and historical boiler licensing

Study books, information that may be useful to boiler operators

Individual license, certification and registration fee table (effective Jan. 1, 2012)

Details about scheduling an examination; exam sites and testing schedules

Boiler operator licensing applications and forms
Boiler operator license exam application - All types
Exam special accommodations request form
Boiler license renewal form
Boiler operator license affidavit of operating experience
Provisional engineer license first class application (BLR 28)
Provisional engineer license first class boiler plant application (BLR 27)
Online boiler operator license renewal
License change of address

Click here to check the status of boiler and historical boiler licenses

Related information:

• Your guide to safer boiler operation
• Boiler license exam-site procedures
• Exam schedule
• Renew an existing license
• Boiler operator study guide
• Boiler operator license classifications and experience requirements
• Purchase a copy of Boiler Inspection Laws/Rules

Send questions regarding licenses, bonds and continuing education to dli.license@state.mn.us
Include contact information, license number and other pertinent information in the email message.

Please Note: The Department of Labor and Industry does not accept cash as payment for licenses, inspections, copy requests and other DLI services. Accepted methods of payment include checks, money orders and electronic payments that can be made through the DLI Web site.