Please note: our address is not a drop-in office. Exams are not held at this location/please contact by mail, e-mail or using our Information Line:

CSTB | CCTL

10 Morrow Avenue, Suite 202
Toronto, ON  M6R 2J1 CANADA

Email: cstb@cstb.ca

All emails will be responded to no later than the end of the next business day between the hours of 9am and 5pm.

Information Line: 1 (866) 656-6603