103-425 rue Sainte-Hélène vs 434 rue Sainte-Hélène
Data as of November 1, 2026 · updated every week
434 rue Sainte-Hélène is the older building (1860); 103-425 rue Sainte-Hélène was built in 2005. 103-425 rue Sainte-Hélène is assessed at $266,000 and 434 rue Sainte-Hélène at $1,220,800; one is a whole condo building, so the values do not compare directly. 103-425 rue Sainte-Hélène has 6 building permits on record, 434 rue Sainte-Hélène has 2. Neither is in a flood zone.
| 103-425 rue Sainte-Hélène | 434 rue Sainte-Hélène | |
|---|---|---|
| Type | Condo unit | Condo building, 1 unit |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | 2005 | ≈ 1860 |
| Assessed (roll) | $266,000 | $1,220,800 |
| Since the previous roll | +5 % | — |
| Welcome tax on that value | ≈ $2,346 | ≈ $20,346 |
| Lot | — | — |
| Floor area | 49 m² | 227 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 | 2 · Aug 2020 |
| Findings | 2 Check 4 Note | 2 Check 5 Note |
| Nearest metro | Square Victoria-Oaci, 430 m | Square Victoria-Oaci, 400 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 103-425 rue Sainte-Hélène Full report: 434 rue Sainte-Hélène