MA Construction Supervisor Licensing (CSL) Renewal - 12 Hour

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

• August 4 & 5, 2026
• October 6 & 7, 2026

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

• August 10 & 11, 2026

  Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

• September 22 & 23, 2026
• November 23 & 24, 2026

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. NOTE:  This new Andover location is replacing the Peabody and Woburn locations. Upcoming Class Dates:

• September 9 & 10, 2026
• November 3 & 4, 2026
• January 6 & 7, 2027
• March 3 & 4, 2027
• March 31 & April 1, 2027
• June 2 & 3, 2027
• July 14 & 15, 2027
• September 1 & 2, 2027
• October 6 & 7, 2027
• December 1 & 2, 2027

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class NOTE: Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. Upcoming Class Dates:

• August 12 & 13, 2026
• December 9 & 10, 2026

Our 12 Hour CSL Renewal classes are only taught by experienced contractors and include lunch, snacks and coffee. Click an available green date in the calendar below to reserve your class. This is a 2-day course as shown below. Please click on a starting date in the calendar below to register for both days. Learn about the new energy codes "Net Zero" construction requirements in this class Classes run from 8:00 a.m. to 3:00 p.m. Click here to view the topics covered for this course. PLEASE NOTE: There is no smoking on the Cape Cod Lumber property which includes inside vehicles. Upcoming Class Dates:

• September 15 & 16, 2026
• November 10 & 11, 2026
• February 10 & 11, 2027
• April 7 & 8, 2027
• June 9 & 10, 2027
• August 11 & 12, 2027
• October 13 & 14, 2027
• December 8 & 9, 2027