351 avenue Roslyn vs 483 avenue Roslyn
Data as of October 29, 2026 · updated every week
483 avenue Roslyn is the older building (1905); 351 avenue Roslyn was built in 1909. 483 avenue Roslyn is assessed at $3,275,800, 47% more than 351 avenue Roslyn ($2,225,200). Neither has a building permit on record. Neither is in a flood zone.
| 351 avenue Roslyn | 483 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1905 |
| Assessed (roll) | $2,225,200 | $3,275,800 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $31,489 | ≈ $47,248 |
| Lot | 374 m² | 521 m² |
| Floor area | 199 m² | 379 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 | 1 Note | 2 Note |
| Nearest metro | Vendôme, 720 m | Vendôme, 860 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 351 avenue Roslyn Full report: 483 avenue Roslyn