Important Notice

Our offices will be closed on Monday, April 2 for Easter Monday.

Contact the OSET


If you have any questions about the appeal process or your file, contact us in one of the following ways:
In person: 655 Bay Street, 14th Floor, Toronto
By telephone: 416-326-1356
TTY Toll-free: 1-866-607-1240
By fax: (416) 326-2199
Toll-free: 1-866-355-6099
By email: oset@ontario.ca
By mail: 655 Bay Street, 14th Floor
Toronto ON M7A 2A3

Our business hours are Monday- Friday, 8:30 a.m. – 5 p.m.

Map showing location of 655 Bay St.