Assessment appeals are formal challenges to property valuations used for calculating taxes. When property owners believe their assessment is too high compared to similar properties or does not reflect actual market value, they can file an appeal within specified deadlines. Appeal tribunals (called assessment review boards, property assessment appeal boards, or similar names depending on the province) hear evidence from property owners and assessment authorities before making binding decisions. The appeals process balances the need for accurate, fair assessments with administrative efficiency. Many municipalities see increased appeal volumes during real estate market volatility when property values change rapidly.