455 rue Saint-Antoine Ouest vs 51-59 rue Saint-Antoine Ouest
Data as of November 1, 2026 · updated every week
455 rue Saint-Antoine Ouest is the older building (1910); 51-59 rue Saint-Antoine Ouest was built in 1925. 455 rue Saint-Antoine Ouest is assessed at $18,100,000, 678% more than 51-59 rue Saint-Antoine Ouest ($2,327,700). 455 rue Saint-Antoine Ouest has 29 building permits on record, 51-59 rue Saint-Antoine Ouest has 0. Neither is in a flood zone.
| 455 rue Saint-Antoine Ouest | 51-59 rue Saint-Antoine Ouest | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | 1910 | 1925 |
| Assessed (roll) | $18,100,000 | $2,327,700 |
| Since the previous roll | −15 % | +19 % |
| Welcome tax on that value | ≈ $676,896 | ≈ $49,930 |
| Lot | 1,121 m² | 497 m² |
| Floor area | 7,785 m² | 1,250 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 | 29 · Jul 2026 | 0 |
| Findings | 2 Check 5 Note | 1 Serious 1 Check 5 Note |
| Nearest metro | Square Victoria-Oaci, 110 m | Place d'Armes, 120 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 455 rue Saint-Antoine Ouest Full report: 51-59 rue Saint-Antoine Ouest