447-449 rue Sainte-Hélène vs 450 rue Sainte-Hélène
Data as of November 1, 2026 · updated every week
447-449 rue Sainte-Hélène is the older building (1870); 450 rue Sainte-Hélène was built in 1943. 450 rue Sainte-Hélène is assessed at $11,704,000, 158% more than 447-449 rue Sainte-Hélène ($4,536,000). Each has 6 building permits on record. Neither is in a flood zone.
| 447-449 rue Sainte-Hélène | 450 rue Sainte-Hélène | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | ≈ 1870 | 1943 |
| Assessed (roll) | $4,536,000 | $11,704,000 |
| Since the previous roll | +33 % | +10 % |
| Welcome tax on that value | ≈ $134,336 | ≈ $421,056 |
| Lot | 450 m² | 580 m² |
| Floor area | 2,620 m² | 2,688 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 | 6 · Sep 2017 | 6 · Nov 2023 |
| Findings | 2 Check 4 Note | 3 Check 5 Note |
| Nearest metro | Square Victoria-Oaci, 390 m | Square Victoria-Oaci, 340 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 447-449 rue Sainte-Hélène Full report: 450 rue Sainte-Hélène