Assessment notice dates and complaint deadlines
Every municipality on this site in one table. The deadline printed on your own notice is the one that counts.
| Municipality | Notices | Complaint window | Board fee | Taxes due |
|---|---|---|---|---|
| Lethbridge | Assessment notices were mailed on 2 January in 2026 (tax notices follow in late May). | The complaint deadline is printed on your notice; in 2026 it was about 60 days after the notice date (early March). | $50 for a single-family property | 30 June |
| Calgary | Assessment notices are mailed in early January. | The City's Customer Review Period runs about 67 days from early January to mid-March; the final date to file a complaint with the Assessment Review Board is printed on your notice. | $50 for a residential property | 30 June |
| Edmonton | Assessment notices are mailed in early January. | The complaint deadline is printed on your notice (usually early March, about 60 days after the notice date). | $50 for a residential property (Bylaw 18308) | 30 June |
| Strathcona County | Assessment notices are mailed in February (tax notices in May). | The complaint deadline is printed on your notice (usually in April). | $50 per roll number | 30 June |
| Grande Prairie | Assessment notices are mailed in early March (to be confirmed for 2027). | The complaint deadline is printed on your notice (2 April in 2025). | see the City's fee bylaw | the last business day of June |
Dates are from each municipality’s pages for the 2026 cycle and are confirmed again before each season.