21 11e Avenue vs 23 11e Avenue
Data as of October 29, 2026 · updated every week
23 11e Avenue is the older building (1955); 21 11e Avenue was built in 1957. 23 11e Avenue is assessed at $624,400, 7% more than 21 11e Avenue ($584,000). 21 11e Avenue has 7 building permits on record, 23 11e Avenue has 6. Neither is in a flood zone.
| 21 11e Avenue | 23 11e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Pierrefonds-Roxboro | Montréal · Pierrefonds-Roxboro |
| Built | 1957 | 1955 |
| Assessed (roll) | $584,000 | $624,400 |
| Since the previous roll | +14 % | +14 % |
| Welcome tax on that value | ≈ $7,029 | ≈ $7,837 |
| Lot | 865 m² | 1,228 m² |
| Floor area | 109 m² | 112 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 | 7 · Feb 2023 | 6 · Nov 2024 |
| Findings | 6 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.