Assessor: Municipal Property Assessment Corporation (MPAC): it assesses and classifies every property in Ontario. To appeal: Request for Reconsideration by March 31 of the tax year, or 120 days from the issue date on a Property Assessment Change Notice

Property assessment in Ontario How to appeal: the guide

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Other cities in Ontario

Toronto — 10 sectors
Ottawa — 6 sectors
Mississauga — 6 sectors
Brampton — 5 sectors
Hamilton — 5 sectors
Markham — 1 sector
Vaughan — 1 sector
London — 1 sector
Kitchener — 1 sector
Windsor — 1 sector
Oakville — 1 sector
Richmond Hill — 1 sector
Burlington — 1 sector
Oshawa — 1 sector
Greater Sudbury — 1 sector
Thunder Bay — 1 sector
Barrie — 1 sector
Kingston — 1 sector
St. Catharines — 1 sector
Brantford — 1 sector
Waterloo — 1 sector