338 avenue Roslyn vs 343 avenue Roslyn
Data as of October 29, 2026 · updated every week
343 avenue Roslyn is the older building (1909); 338 avenue Roslyn was built in 1920. 338 avenue Roslyn is assessed at $2,548,200, 53% more than 343 avenue Roslyn ($1,661,800). Neither has a building permit on record. Neither is in a flood zone.
| 338 avenue Roslyn | 343 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1920 | 1909 |
| Assessed (roll) | $2,548,200 | $1,661,800 |
| Since the previous roll | +10 % | +10 % |
| Welcome tax on that value | ≈ $36,334 | ≈ $23,038 |
| Lot | 485 m² | 320 m² |
| Floor area | 271 m² | 195 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, 650 m | Vendôme, 710 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 338 avenue Roslyn Full report: 343 avenue Roslyn