377 avenue Roslyn vs 391 avenue Roslyn
Data as of October 29, 2026 · updated every week
Both were built in 1909. 377 avenue Roslyn is assessed at $2,097,700, 27% more than 391 avenue Roslyn ($1,650,800). Neither has a building permit on record. Neither is in a flood zone.
| 377 avenue Roslyn | 391 avenue Roslyn | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1909 |
| Assessed (roll) | $2,097,700 | $1,650,800 |
| Since the previous roll | +10 % | +10 % |
| Welcome tax on that value | ≈ $29,576 | ≈ $22,873 |
| Lot | 335 m² | 319 m² |
| Floor area | 240 m² | 172 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, 730 m | Vendôme, 740 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 377 avenue Roslyn Full report: 391 avenue Roslyn