Municipal Property Assessment Corporation (MPAC)MPAC assesses the value of all the
properties in Ontario municipalities
or in the jurisdiction of a school
board with taxing authority. You
will find information such as
questions & answers about your
property assessment notice, guide
to property assessment in Ontario,
resolving assessment concerns,
and forms.
The Assessment Review BoardThe Assessment Review Board is
an independent adjudicative
tribunal whose main function is to
hear complaints from people who
believe that properties are
incorrectly assessed or classified.
Municipal Online Property Tax Analysis (OPTA)Access to this site is restricted to Ontario
municipalities. It contains a business
application to help municipalities make
decisions required under the new assessment
and property tax system.
