Properties are considered waterfront if they have direct access to a natural or man-made waterway such as a lake, river, channel or canal. Properties separated from the water by a right-of-way, private road or unopened road are also considered waterfront.

In 2016, MPAC updated the assessed values of every property in Ontario. Our assessors are trained experts in the field of valuation and apply appraisal industry standards and best practices.

How your property is assessed

We look at sales and compare your property to similar properties that have sold in your area. This approach is called Current Value Assessment, and is used by most assessment jurisdictions in North America.

While over 200 factors are considered when assessing a property, these five factors account for 85% of your home’s value:

5 factors image. Location. Living area. Age of the property. Lot dimensions. Quality of construction.

For waterfront properties, the body of water your property is located on and the amount of water frontage are important factors in determining value. Other key features that may affect the value of your waterfront property are:

  • seasonal or water access
  • shoreline type (e.g., rocky, sandy, marshland
  • topography
  • island versus mainland property
  • water source
  • heating type
  • predominant exposure (e.g., facing north)
  • fireplaces
  • hydro services
  • sanitary services (e.g., septic bed)
  • secondary structures (e.g., boathouses, decks, cabins)

The relationship between your assessment and your taxes

MPAC provides your property’s assessment information to your municipality/local taxing authority. The assessed value and classification of your property is used as the basis for calculating your property taxes. The new value on the Notice you received in 2016 is used by your municipality/local taxing authority to calculate your taxes for the 2017-2020 property tax years.

Learn more about the relationship between assessment and taxation:

Learn more about how taxes are calculated video


There are seven major property classes: residential, multi-residential, commercial, industrial, pipeline, farm and managed forests. Waterfront properties are generally classified as residential.

Some properties may belong to more than one class. For example, if a building has an apartment on the top floor and a retail store on the main floor it would fall into two classes - residential for the apartment and commercial for the store.

Questions about your assessment?

Visit aboutmyproperty.ca to learn more about how your property was assessed, see the information we have on file and compare it to others in your neighbourhood. Look for your Roll Number and Access Key on your Property Assessment Notice to register.

If you still disagree with your property’s assessed value or classification, we will review your assessment free of charge through a Request for Reconsideration (RfR). Your deadline to file an RfR with MPAC is included on your Property Assessment Notice. Learn more about your assessment.

Learn More:

Note: The applicable law prevails to the extent there is any conflict between this information and the current law. This information is not intended to provide legal advice and should not be relied upon as such.