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Check an Office of Public Safety and Inspections (OPSI) License 

The OPSI regulates areas from amusement devices to construction supervisors to refrigerator technicians.

Report an incident 

Please be advised that the Office of Public Safety and Inspections (OPSI) has instituted a new protocol for the reporting of incidents that require the immediate attention of the OPSI.

Office of Public Safety and Inspections (OPSI) Licensing 

Information on getting a first-time license or license renewal

Office of Public Safety and Inspections (OPSI) Exams 

Find the information you need about Office of Public Safety and Inspection exams

Massachusetts State Building Code - 780 CMR 

An unofficial copy of all versions of the Mass. State Building Code

File a complaint against a DPL licensee 

Consumers have millions of interactions with our 580,000 licensees every year. If you experienced an unsatisfactory outcome, you can file a complaint with our Office.

OPSI Key Resources 

Find a list of some of the most requested resources here

Office of Public Safety and Inspections PRR 

Learn how to request public records from the Executive Office of Housing and Economic Development Office of Public Safety and Inspections.

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