6540 21e Avenue vs 6661-6665 21e Avenue
Data as of November 1, 2026 · updated every week
6661-6665 21e Avenue is the older building (1954); 6540 21e Avenue was built in 1955. 6540 21e Avenue is assessed at $1,071,500, 13% more than 6661-6665 21e Avenue ($950,800). Each has 1 building permits on record. Neither is in a flood zone.
| 6540 21e Avenue | 6661-6665 21e Avenue | |
|---|---|---|
| Type | 6 dwellings | 5 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1955 | 1954 |
| Assessed (roll) | $1,071,500 | $950,800 |
| Since the previous roll | +5 % | +6 % |
| Welcome tax on that value | ≈ $16,779 | ≈ $14,365 |
| Lot | 483 m² | 354 m² |
| Floor area | 507 m² | 240 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | No |
| Building permits on record | 1 · Jun 2021 | 1 · Oct 2022 |
| Findings | 1 Serious 4 Note | 1 Serious 4 Note |
| Nearest metro | Saint-Michel, 1.5 km | Saint-Michel, 1.4 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6540 21e Avenue Full report: 6661-6665 21e Avenue