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Supplementary Tax Bills

Supplementary tax bills are issued throughout the year and are in addition to any other tax bills that may have been issued.

Supplementary tax bills are sent out as a result of a change to your property. These changes can include, but are not limited to: new residential homes; new commercial, residential or multi-residential units; changes in tax classes and additions or renovations to buildings.

The Supplementary tax bills are due at different times throughout the year rather than the regular March, May, July and September due dates. These bills follow the Supplementary Assessment Notice that would have been received from MPAC prior to the issuance of the tax bills. 

The Municipal Property Assessment Corporation (MPAC) is responsible for assessing the properties and forwarding the information to the City for billing. These bills can span more than one year depending on when the assessment office is able to visit your property and the supplementary assessment cycle.

Supplementary tax bills do not include any property tax arrears or credits that may be on account. 

If you are on one of the City’s Monthly Pre-authorized Tax Payment Plans, you must contact the Tax Office if you would like your payments to be increased to include the additional taxes owing.

If your mortgage company is responsible for paying your taxes you will need to forward the Supplementary Tax bill to them for payment.

If the property is sold before the supplementary tax bill is issued, the bill will be sent to the current owner of record and it will be up to the solicitor’s involved in the original transaction to calculate each owner’s liability.

If you have questions with regard to your Supplementary Tax bill, please contact the Tax Office at 705-742-7777 x1865.

If you have questions with regard to your Supplementary Assessment Notice, please contact MPAC at 1-866-296-6722. 

View a copy and description of a Supplementary Tax Bill here.