Important Notice

Our offices will be closed on Monday, April 17 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.