567 avenue Roslyn vs 638 avenue Roslyn
Data as of October 29, 2026 · updated every week
638 avenue Roslyn is the older building (1910); 567 avenue Roslyn was built in 1912. 567 avenue Roslyn is assessed at $3,366,900, 87% more than 638 avenue Roslyn ($1,796,300). Neither has a building permit on record. Neither is in a flood zone.
| 567 avenue Roslyn | 638 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1912 | 1910 |
| Assessed (roll) | $3,366,900 | $1,796,300 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $48,614 | ≈ $25,055 |
| Lot | 522 m² | 289 m² |
| Floor area | 313 m² | 219 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 | 1 Note |
| Nearest metro | Villa-Maria, 1.0 km | Villa-Maria, 840 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 567 avenue Roslyn Full report: 638 avenue Roslyn