412 avenue Roslyn vs 545 avenue Roslyn
Data as of October 29, 2026 · updated every week
545 avenue Roslyn is the older building (1902); 412 avenue Roslyn was built in 1912. 545 avenue Roslyn is assessed at $4,483,300, 34% more than 412 avenue Roslyn ($3,351,900). Neither has a building permit on record. Neither is in a flood zone.
| 412 avenue Roslyn | 545 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1912 | 1902 |
| Assessed (roll) | $3,351,900 | $4,483,300 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $48,389 | ≈ $65,360 |
| Lot | 392 m² | 877 m² |
| Floor area | 265 m² | 479 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, 720 m | Vendôme, 960 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 412 avenue Roslyn Full report: 545 avenue Roslyn