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Property Assessments

Municipal Property Assessment Corporation (MPAC)

The Municipal Property Assessment Corporation (MPAC) is responsible for the classification and assessment of all properties in Ontario under the Assessment Act and regulations established by the Provincial government.


AboutMyProperty™ is a secure, online service that provides property taxpayers with convenient access to property assessment information. Through AboutMyProperty™, property taxpayers can access property assessment information, site information, lot size and recent sales information on their own property and similar properties - free of charge.

Contact Information

In addition to the reports available through AboutMyProperty™, property taxpayers can call MPAC at 1-866-296-MPAC (6722).

Contact Us

Township of Stone Mills
4504 County Rd 4
Centreville, ON K0K 1N0
Phone: 613-378-2475

Hours of Operation
Monday: 8:30am - 6:00pm
Tuesday-Thursday: 8:30am - 4:30pm
Friday: 8:30am - 12:30pm

Failure to receive a tax bill does not excuse a taxpayer from the responsibility for payment nor relieve the liability of penalty for late payment.

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