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Renew your construction supervisor license

Renew your CSL on time to keep up-to-date and avoid late fees.
Allow 5 weeks for application processing.

Office of Public Safety and Inspections


Boston Office (617) 727-3200
Milford 508-422-1955

The Details

What you need

Before requesting a renewal application, you must complete the required continuing education courses.


Name Fee Unit
License renewal $100 each
Renew a license that's been expired less than 2 years $200 each

How to renew

Log in or create an account and complete your online renewal

Complete the request a renewal application and email it to

  • Check junk/spam folders in your email for Renewal Notice Enclosed after you send the request

Complete and mail the renewal application, along with continuing education certificates and a check or money order payable to Commonwealth of Massachusetts, to:

1 Ashburton Place
Room 1301
Boston, MA 02108

More info

  • There is a 1 year grace period to renew licenses after expiration. 
  • For an additional fee of $100.00, licenses can be renewed up to 2 years after expiration. 
  • If expired for more than 2 years, it’s necessary to take an exam and apply for a new license. 




1 Ashburton Place, Room 1301, Boston, MA 02108
Tewksbury Office, Tewksbury Hospital - Old Anne Sullivan Building
365 East Street , Tewksbury, MA 01876
Milford Office
50 Maple St., Milford, MA 01757
Springfield Office
One Armory Square , Building 15, 2nd Floor, Springfield, MA 01102


Boston Office (617) 727-3200
Milford 508-422-1955




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