425 rue Sainte-Hélène vs 505-433 rue Sainte-Hélène
Data as of November 1, 2026 · updated every week
505-433 rue Sainte-Hélène is the older building (1870); 425 rue Sainte-Hélène was built in 2005. 425 rue Sainte-Hélène is assessed at $364,800 and 505-433 rue Sainte-Hélène at $637,200; one is a whole condo building, so the values do not compare directly. 425 rue Sainte-Hélène has 6 building permits on record, 505-433 rue Sainte-Hélène has 4. Neither is in a flood zone.
| 425 rue Sainte-Hélène | 505-433 rue Sainte-Hélène | |
|---|---|---|
| Type | Condo building, 62 units | Condo unit |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | 2005 | 1870 |
| Assessed (roll) | $364,800 | $637,200 |
| Since the previous roll | — | +5 % |
| Welcome tax on that value | ≈ $3,583 | ≈ $8,093 |
| Lot | — | — |
| Floor area | 3,177 m² | 98 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 · Dec 2025 | 4 · Dec 2020 |
| Findings | 2 Check 4 Note | 2 Check 5 Note |
| Nearest metro | Square Victoria-Oaci, 430 m | Square Victoria-Oaci, 430 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 425 rue Sainte-Hélène Full report: 505-433 rue Sainte-Hélène