329 avenue Roslyn vs 505-507 avenue Roslyn
Data as of October 29, 2026 · updated every week
329 avenue Roslyn is the older building (1909); 505-507 avenue Roslyn was built in 1944. 505-507 avenue Roslyn is assessed at $2,969,700, 55% more than 329 avenue Roslyn ($1,920,800). Neither has a building permit on record. Neither is in a flood zone.
| 329 avenue Roslyn | 505-507 avenue Roslyn | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1944 |
| Assessed (roll) | $1,920,800 | $2,969,700 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $26,923 | ≈ $42,656 |
| Lot | 320 m² | 648 m² |
| Floor area | 193 m² | 315 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, 710 m | Vendôme, 880 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 329 avenue Roslyn Full report: 505-507 avenue Roslyn