394 avenue Roslyn vs 561 avenue Roslyn
Data as of October 29, 2026 · updated every week
561 avenue Roslyn is the older building (1910); 394 avenue Roslyn was built in 1921. 561 avenue Roslyn is assessed at $3,050,800, 49% more than 394 avenue Roslyn ($2,041,200). Neither has a building permit on record. Neither is in a flood zone.
| 394 avenue Roslyn | 561 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1921 | 1910 |
| Assessed (roll) | $2,041,200 | $3,050,800 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $28,729 | ≈ $43,873 |
| Lot | 361 m² | 523 m² |
| Floor area | 249 m² | 338 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, 680 m | Villa-Maria, 1.0 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 394 avenue Roslyn Full report: 561 avenue Roslyn