ARB: Contact

Contact the ARB

Telephone Contact Hours

8:30 am - 5:00 pm
Monday - Friday

Tel: (416) 212-6349 or toll free (866) 448-2248
TTY: (800) 855-1155 via Bell relay

E-Mail: ARB.Registrar@Ontario.ca

Office Hours

Important Notice

Effective March 13, 2020, all front-line counter services are closed to the public until further notice. If you submit by mail or courier, you will experience processing delays. Please contact the office by phone or email only.

Office Address

Until further notice, the following changes are in place for submitting documents through mail. If you submit by mail or courier, you will experience processing delays.

Courier mail should be addressed to:

Assessment Review Board
25 Grosvenor Street, 4th Floor
Toronto, ON M7A 1R1

Mail sent through Canada Post should be addressed to:

Assessment Review Board
655 Bay Street, Suite 1500
Toronto, ON M5G 1E5

ARB Staff

Kelly Triantafilou, ARB Registrar
E-Mail: Kelly.Triantafilou@Ontario.ca
Tel: (416) 371-6435

Georgia Trifonidis, ARB Deputy Registrar
E-Mail: Georgia.Trifonidis@Ontario.ca
Tel: (416) 618-7063

Case Management Teams 

Case Management Teams (HTML | PDF)

Media Contact

8:30 a.m. - 5:00 p.m.
Tribunals Ontario Communications
E-mail: Media.TO-TDO@ontario.ca