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

Every four years, we conduct a province-wide Assessment Update and mail a Property Assessment Notice to every property owner in Ontario. In 2016, we updated the assessed value of every property in Ontario to reflect the legislated valuation date of January 1, 2016, which is in effect for the 2017-2020 property tax years. Learn more about property assessment »

MPAC is committed to service excellence.
We strive to provide goods, services and facilities in a way that respects the dignity and independence of persons with disabilities.

Learn more about accessibility at MPAC »