21 4e Sud Avenue vs 23 4e Sud Avenue
Data as of October 29, 2026 · updated every week
21 4e Sud Avenue is the older building (1951); 23 4e Sud Avenue was built in 1958. 23 4e Sud Avenue is assessed at $617,900, 40% more than 21 4e Sud Avenue ($442,800). 21 4e Sud Avenue has 1 building permits on record, 23 4e Sud Avenue has 0. Neither is in a flood zone.
| 21 4e Sud Avenue | 23 4e Sud Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Pierrefonds-Roxboro | Montréal · Pierrefonds-Roxboro |
| Built | 1951 | 1958 |
| Assessed (roll) | $442,800 | $617,900 |
| Since the previous roll | +3 % | +3 % |
| Welcome tax on that value | ≈ $4,753 | ≈ $7,707 |
| Lot | 630 m² | 520 m² |
| Floor area | 123 m² | 193 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 · Jul 2020 | 0 |
| Findings | 6 Note | 6 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.