Assessment Review Board (ARB) Key Performance Indicators Archive


The ARB adjudicates applications and appeals on property assessments, classifications, and tax matters.

Tribunals Ontario’s Key Performance Indicators (KPIs) track the performance of our tribunals in a consistent manner and will be used to continually monitor and improve processes at tribunals. These KPIs are part of Tribunals Ontario’s ongoing commitment to continuous improvement and to ensure that the services we provide meet the needs of our users.

For more information on the meaning of key terms, refer to our terms and definitions. For more information about KPIs and how they were calculated, see Key Performance Indicators.

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  1. Fiscal Year 2022-2023

Fiscal Year 2022-2023

Assessment Review Board (ARB) Key Performance Indicators – Data

Reporting period: April 1, 2022 to March 31, 2023

Assessment Review Board
Key Performance Indicators
Target Q1 Q2 Q3 Q4 FY 22-23 Total
  2022-2023 # % # % # % # % # %
Volume of in-person, electronic and written hearing events held at the ARB N/A                    
In-Person Hearing Events   0 N/A 0 N/A 0 N/A 0 N/A 0 N/A
Electronic Hearing Events   208 N/A 210 N/A 171 N/A 88 N/A 677 N/A
Written Hearing Events   13 N/A 5 N/A 5 N/A 7 N/A 30 N/A
Number of eligible accommodation requests granted (in whole or in-part) by the ARB N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Percentage that the hearing event month is assigned within 90 days of a perfected appeal 85% 5,219 100% 976 100% 947 100% 1,587 100% 8,729 100%
Decisions issued within 60 calendar days from the conclusion of a hearing 85% 6,163 94% 7,382 99% 3,977 98% 2,979 97% 20,501 97%
Percentage of summary appeals within 40 weeks following the commencement date for ARB 85% 598 91% 455 85% 401 94% 113 83% 113 83%
Percentage of general appeals within 135 weeks following the commencement date for ARB 85% 4,412 90% 3,651 86% 725 86% 858 86% 858 86%