328 avenue Roslyn vs 579 avenue Roslyn
Data as of October 29, 2026 · updated every week
Both were built in 1909. 579 avenue Roslyn is assessed at $4,769,000, 94% more than 328 avenue Roslyn ($2,462,900). Neither has a building permit on record. Neither is in a flood zone.
| 328 avenue Roslyn | 579 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1909 |
| Assessed (roll) | $2,462,900 | $4,769,000 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $35,054 | ≈ $69,646 |
| Lot | 387 m² | 780 m² |
| Floor area | 344 m² | 437 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 0 |
| Findings | 2 Note | 1 Note |
| Nearest metro | Vendôme, 650 m | Villa-Maria, 1,000 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 328 avenue Roslyn Full report: 579 avenue Roslyn