MA CSL


Construction Supervisor License

Construction Contractor Licensing in Massachusetts

The building code requires that construction of all one and two family dwellings of any size and all other types of buildings containing less than 35,000 cubic feet of enclosed space must be done under the supervision of a person licensed as a Construction Supervisor by the State Board of Building Regulations and Standards. The building code does not require a construction supervisor license for construction work on buildings other than one and two family dwellings that are more than 35,000 cubic feet, however, work on such buildings must be done under the control of an engineer or architect.

CSL Application

Constructor Supervisor Licensing: As of January 1st, 2025 the CSL Examination will be administered through PSI Testing and will be based on the 2021 Code Books

Click here to access PSI and register for exam.

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