550 avenue Roslyn vs 654 avenue Roslyn
Data as of October 29, 2026 · updated every week
654 avenue Roslyn is the older building (1922); 550 avenue Roslyn was built in 1965. They are assessed at about the same value ($2,035,700). Neither has a building permit on record. Neither is in a flood zone.
| 550 avenue Roslyn | 654 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1965 | 1922 |
| Assessed (roll) | $2,035,700 | $2,016,400 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $28,646 | ≈ $28,357 |
| Lot | 335 m² | 331 m² |
| Floor area | 244 m² | 301 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, 970 m | Villa-Maria, 820 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 550 avenue Roslyn Full report: 654 avenue Roslyn