AboutMyProperty™ is a secure, online, easy-to-use, self-serve website. It lets you to learn more about how your property was assessed. You can also see the information MPAC has on file for your property and compare it to others in your area.

Residential and non-residential property owners can log on to aboutmyproperty.ca after they get their Property Assessment Notice.

To register for AboutMyProperty™, you need the Roll Number and Access Key located on your most recent Property Assessment Notice. Each property has its own unique Roll Number and Access Key. You can add more than one property through the ‘My Profile’ area at the top of the homepage. If you need help registering, please contact MPAC at 1.866.296.MPAC (6722).

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Assessment Review Board (ARB) Appeal

If you are not satisfied with your RfR decision from MPAC, you can file an appeal to the Assessment Review Board (ARB). You need to do this within 90 days of receiving a decision from MPAC.

Commercial, Industrial, and Multi-Residential Properties Owners can either:

  • File an Request for Reconsideration (RfR) with MPAC
  • Appeal directly to the ARB

Either must be done by March 31 of the applicable tax year.

To file an appeal with the ARB, send a written request to the Assessment Review Board at:

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

You must include a payment with your appeal. The payment is $125 for residential or farm properties and $300 for commercial or industrial properties. For more information, please contact the ARB.

ARB Contact Information

Phone: 416.212.6349
Toll free: 1.866.448.2248
Website: elto.gov.on.ca/arb

For more information on how to appeal your ARB assessment, visit elto.gov.on.ca/.

Please note: A tax account is only changed after MPAC or ARB notifies the City of a change. Property owners should keep paying taxes during the appeal process to avoid penalty and interest charges. It may take a period of time before MPAC or ARB to make a decision.