Property Assessments

Have questions about your Property Assessment Notice?

Any questions about your Assessment Notice, assessed value, or how to appeal your assessment should be directed to Municipal Property Assessment Corporation (MPAC) Customer Contact Centre at 1-866-296-MPAC (6722), or 1-877-889-MPAC (6722) TTY, the MPAC Website or by visiting aboutmyproperty.ca.

• MPAC is a not-for-profit corporation created by the Province of Ontario.
• MPAC is solely responsible for your assessment value.

About MPAC

The Municipal Property Assessment Corporation (MPAC) is responsible for assessing and classifying more than five million properties in Ontario in compliance with the Assessment Act and regulations set by the Government of Ontario.

For information on how assessment works, market trends, the Request for Reconsideration process and property assessment and taxation, visit aboutmyproperty.ca. If you would like to see the information MPAC has on file or your property or compare your property to others in your area, you can register and login using the Roll Number and Access Key located on your Property Assessment Notice.

Video: Assessing Residential Properties in Ontario 

Video: How MPAC Assesses Property

Video: How Your Property Tax is Calculated