I wanted to take a moment to express my complete satisfaction with your online and in person course. Again and again throughout the years it is a pleasure doing business with the Mass Nail It Team!
–Joe S.
I just wanted to let you both know I passed my mass CSL on the first try thank you so much for your class. Even though sometimes I wanted to cry over the practice questions. I am grateful for them.
–Allyson M.
Mass Nail It was created to provide the latest in Massachusetts building codes to keep you updated with today’s ever changing industry. We are involved in all aspects of code development and we interpret the state specific regulations that are important to your livelihood. All of our courses are approved by the Commonwealth and meet or exceed the Massachusetts license renewal requirements in accordance with M.G.L. c78, Acts of 2008.
Division of Occupational Licensure & Office of Public Safety & Inspections Updates The Division of Occupational Licensure (DOL) & Office of Public Safety & Inspections (OPSI) staff are proud to be part of the MBTAs South Coast Rail expansion and to celebrate the opening of the East Taunton…
The Division of Occupational Licensure’s Office of Public Safety & Inspections is pleased to present this issue of. In it, we review the end of the 9th/10th Edition of 780 CMR concurrency period as of July 1, 2025, provide guidance on Short Term Rentals, introduce new employees at OPSI, and look at some new provisions in…
All of the Mass Nail It CSL and Hoisting classes have been approved by the Massachusetts Board of Building Regulations and Standards. Our online courses allow you to start, stop and resume your education at your own pace. Learn from the comfort of your own home, any time day or night. When your done with your course, simply download your BBRS approved certificate.
