430 avenue Roslyn vs 686 avenue Roslyn
Data as of October 29, 2026 · updated every week
430 avenue Roslyn is the older building (1907); 686 avenue Roslyn was built in 1910. 686 avenue Roslyn is assessed at $3,593,500, 26% more than 430 avenue Roslyn ($2,856,800). Neither has a building permit on record. Neither is in a flood zone.
| 430 avenue Roslyn | 686 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1907 | 1910 |
| Assessed (roll) | $2,856,800 | $3,593,500 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $40,963 | ≈ $52,013 |
| Lot | 516 m² | 670 m² |
| Floor area | 306 m² | 450 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 | 2 Note |
| Nearest metro | Vendôme, 750 m | Villa-Maria, 800 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 430 avenue Roslyn Full report: 686 avenue Roslyn