If your painting business is limited to interior painting, you are exempt from license requirements. See 780 CMR R6.1.6 #11.
Wanting To Start A Painting Business In Massachusetts Is A License Needed In This State If So How Much Would It Be. And Where To Go And Get One.?
Yes you do...well it is actually called a Home Improvement Contractor Registration and it is administered through the state's consumer division...
Check the MA website location for other information
Check the MA website location for other information