485 avenue Roslyn vs 648 avenue Roslyn
Data as of October 29, 2026 · updated every week
648 avenue Roslyn is the older building (1908); 485 avenue Roslyn was built in 1909. 485 avenue Roslyn is assessed at $2,482,600, 4% more than 648 avenue Roslyn ($2,388,000). Neither has a building permit on record. Neither is in a flood zone.
| 485 avenue Roslyn | 648 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1908 |
| Assessed (roll) | $2,482,600 | $2,388,000 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $35,350 | ≈ $33,931 |
| Lot | 446 m² | 363 m² |
| Floor area | 257 m² | 252 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, 870 m | Villa-Maria, 830 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 485 avenue Roslyn Full report: 648 avenue Roslyn