Assessment Information Requests

Each year, MPAC requests property information from property owners and/or their representatives as part of our Assessment Information Request Program. This annual initiative is crucial to our efforts to maintain accurate property records, deliver quality assessments, and inform changes to Ontario’s property landscape.

Where property information is required, MPAC will send an information request letter outlining what information is needed, when property owners are required to submit the information to MPAC, and details on how to submit it. Property owners are required to comply with MPAC’s requests by the campaign deadline.

We are committed to working with you to improve the way we collect this data. If you have suggestions, please email us at AIR@mpac.ca.


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How to submit your information

Details on the various ways in which property owners can submit information to the MPAC.

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Compliance requirements

MPAC's authority to request information and compliance requirements from property owners.

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Property Income and Expense Return

Learn more about inquiries regarding income-generating properties.

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Aggregate sites

Learn more about information requests regarding aggregate sites

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Seniors and persons with a disability

Learn more about inquiries regarding property tax exemptions for seniors or people with disabilities.

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Grain elevators

Learn more about inquiries regarding licensed grain elevator facilities.

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Pipelines

Learn more about pipeline inquiries.

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Campaign schedule

Mailing dates and deadlines for each information request.