Property Assessment and Taxation System
- 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.