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Important Notice

August 11, 2022

Tribunals Ontario’s website will be unavailable due to system maintenance from 6:00 p.m. Wednesday, August 11th to 6:00 a.m. Thursday, August 12th. We thank you for your patience.

June 13, 2022

The Assessment Review Board continues to provide services to the public. Use email to contact us for a quicker response time.

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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