Boilermaker License Requirements in Massachusetts
License RequiredLast verified March 24, 2026
Agency And Exam
Issuing agency: Massachusetts Department of Public Safety, Board of Boiler Rules
Official licensing agency website
Exam provider: State-administered
Reciprocity And License Levels
License levels
Boiler Operator - Second ClassBoiler Operator - First ClassBoiler Inspector
Reciprocity states
None listed
Notes
Massachusetts requires boiler operator licensing under the Board of Boiler Rules within the Department of Public Safety. First and Second Class licenses are issued based on experience and examination. Massachusetts has comprehensive boiler operator and inspector licensing requirements under M.G.L. Chapter 146.