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Property Assessment

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  • Who sets my property assessment for tax purposes?

    ​The Municipal Property Assessment Corporation (MPAC).

  • What can be done if I disagree with my property assessment?

    ​If you have questions or concerns about your property assessment, you can contact the Municipal Property Assessment Corporation at 1-866-296-MPAC (6722). Details of how you can request a review are available on the Corporation’s website (  The deadline is March 31 of the property tax year.

  • The value of my property has gone down since the MPAC reassessment. Should my taxes go down as well?

    ​Since a reassessment is based at a point in time and is relative to all other properties, a general market decline in the values will not affect property taxes. As required by Provincial legislation, the values provided by MPAC are used by the City of London to equitably apportion the property tax amount required for the current year budget approved by Council.

  • How does the Budget affect City of London property taxes?

    ​Typically, municipalities face year-over-year cost increases due to inflation and other general economic factors. The choices elected officials weigh in their budget review include finding ways to increase revenue and/or reduce operating costs. For example, cutting back or eliminating service might be considered as a way to bring down operating costs.