421-3810 rue Saint-Antoine Ouest vs 4357-4361 rue Saint-Antoine Ouest
Data as of November 1, 2026 · updated every week
4357-4361 rue Saint-Antoine Ouest is the older building (1910); 421-3810 rue Saint-Antoine Ouest was built in 1913. 421-3810 rue Saint-Antoine Ouest is assessed at $339,500 and 4357-4361 rue Saint-Antoine Ouest at $907,800; one is a whole condo building, so the values do not compare directly. 421-3810 rue Saint-Antoine Ouest has 4 building permits on record, 4357-4361 rue Saint-Antoine Ouest has 5. Neither is in a flood zone.
| 421-3810 rue Saint-Antoine Ouest | 4357-4361 rue Saint-Antoine Ouest | |
|---|---|---|
| Type | Condo unit | Condo building, 1 unit |
| City and borough | Montréal · Le Sud-Ouest | Montréal · Le Sud-Ouest |
| Built | 1913 | 1910 |
| Assessed (roll) | $339,500 | $907,800 |
| Since the previous roll | +6 % | — |
| Welcome tax on that value | ≈ $3,203 | ≈ $13,505 |
| Lot | — | — |
| Floor area | 50 m² | 287 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | Yes |
| In a flood zone | No | No |
| Building permits on record | 4 · May 2011 | 5 · Oct 2025 |
| Findings | 1 Check 5 Note | 3 Check 6 Note |
| Nearest metro | Place St-Henri, 380 m | Place St-Henri, 340 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 421-3810 rue Saint-Antoine Ouest Full report: 4357-4361 rue Saint-Antoine Ouest