License Minnesota

Boilers and Pressure Vessel Registration

The Minnesota Department of Labor and Industry (DLI) has 10 commercial licenses for the operation of low- and high-pressure boilers, one hobby license for the operation of steam traction engines and one pilot's license for the operation of boats-for-hire used on Minnesota's inland waters.

Agency contact information:

Labor and Industry (DLI), Minnesota Department of
443 Lafayette Road N.
St. Paul, MN 55155
(651) 284-5005 | (800) 342-5354 | (651) 297-4198 (TTY)
Construction Codes and Licensing Division (CCLD)
Chief Boiler Inspector
(651) 284-5137 | (800) 342-5354 | (651) 297-4198 (TTY)
Contact Info:


Minnesota Department of Labor & Industry


Check the status of boiler and hobby boiler licenses

Check the status of a license/certificate/registration/bond

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The Minnesota Department of Labor and Industry (DLI) oversees the state's apprenticeship, construction codes and licensing, occupational safety and health, wage and hour standards and workers' compensation programs and the Office of Combative Sports.


Minn. Stats. 326B.01


MINNESOTA RULES 5225.0100 - 5225.8600


Refer to the MN Dept. of Labor and Industry (DLI) website, Boiler section at Boiler and historical boiler licensing.


Refer to Boiler operator license classifications and experience requirements


Registration - $10 per object

Inspection - Boiler $55
Inspection - Boiler Over 2000 IT2 $80/hr
Inspection - Pressure Vessel $35
Inspection - Historical Boiler $80

Refer to the Boiler operator license classifications and experience requirements.

Licensing surcharge to be assessed

The Minnesota Legislature passed legislation requiring a 10% surcharge of no less than $5 and no more than $150 on each business, commercial, professional or occupational license. The funding from this surcharge will go to MN.IT Services (formerly Office of Enterprise Technology (OET)), which is establishing an electronic licensing system for the state. The surcharge will be in place through June 30, 2015. See Minn. Stat. § 16E.22.

Period of Issuance:

One year.

Other Pertinent Information:

See Minn. Stats. § 326B.01-.998.

Boiler operator study guide

Minnesota State Engineering Books

Purchase a copy of Boiler Inspection Laws/Rules