423 rue Hélène-Baillargeon vs 529 rue Hélène-Baillargeon
Data as of November 1, 2026 · updated every week
423 rue Hélène-Baillargeon is the older building (2002); 529 rue Hélène-Baillargeon was built in 2004. 423 rue Hélène-Baillargeon is assessed at $677,500, 52% more than 529 rue Hélène-Baillargeon ($447,100). Neither has a building permit on record. Neither is in a flood zone.
| 423 rue Hélène-Baillargeon | 529 rue Hélène-Baillargeon | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | 2002 | 2004 |
| Assessed (roll) | $677,500 | $447,100 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $8,899 | ≈ $4,817 |
| Lot | — | — |
| Floor area | 114 m² | 84 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 0 |
| Findings | 6 Note | 5 Note |
| Nearest metro | Rosemont, 240 m | Rosemont, 310 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 423 rue Hélène-Baillargeon Full report: 529 rue Hélène-Baillargeon