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Important Notice

October 1, 2020
Server Maintenance: All E-Services will be down effective October 16th starting at 5:00pm until October 18th at 11:59pm. We thank you for your patience.

May 25, 2020
COVID-19 Updates on Tribunals Ontario Operations – Learn More.

Two lawyers, a man and a woman, discuss a document in the hallway outside a hearing room. In the foreground, another woman, holding a binder, hurries by.

About the ARB


The Assessment Review Board (ARB) hears property assessment appeals to ensure that properties are assessed and classified in accordance with the provisions of the Assessment Act. The Board also operates under a variety of other legislation and hears appeals on property tax matters.

Latest News


ARB | July 8, 2020
Assessment Review Board – Frequently Asked Questions

As a result of changes to the Assessment Review Board’s operations due to COVID-19, the following are answers to frequently asked questions.

Will the Board accept section 40 appeals for the 2020 …

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