Overview
For 1- and 2-family homes and\or appurtenant structures of any size
- A licensed construction supervisor or a registered design professional (RDP) must oversee construction. (See 780 CMR, Chapter 1 for home owner exemption language.)
For most existing 1- to 4-family owner-occupied homes
- A licensed construction supervisor or a registered design professional (RDP) must oversee construction. (See 780 CMR, Chapter 1 for home owner exemption language.)
- A contractor must also register with the home improvement program.
For buildings less than 35,000 cubic ft. of enclosed space
- A licensed construction supervisor or registered design professional (RDP) must oversee construction, including for manufactured buildings.
For buildings greater than 35,000 cubic ft. of enclosed space
- A registered design professional (RDP) - engineer or architect - must control the construction of larger buildings.
- A construction supervisor license is not required for larger projects since the RDP is considered the licensed person for the project.
- Always check with the municipal building official in the city\town in which the project is located for additional licensing requirements.
Out of state contractors
- Massachusetts does not recognize out of state contractor licenses.
- 780 CMR (The Massachusetts Building Code) applies to all buildings and structures in the Commonwealth.