4309 avenue Montrose vs 4339 avenue Montrose
Data as of October 29, 2026 · updated every week
4339 avenue Montrose is the older building (1909); 4309 avenue Montrose was built in 1911. 4309 avenue Montrose is assessed at $4,140,000, 106% more than 4339 avenue Montrose ($2,006,500). Neither has a building permit on record. Neither is in a flood zone.
| 4309 avenue Montrose | 4339 avenue Montrose | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1911 | 1909 |
| Assessed (roll) | $4,140,000 | $2,006,500 |
| Since the previous roll | +7 % | +8 % |
| Welcome tax on that value | ≈ $60,211 | ≈ $28,208 |
| Lot | 808 m² | 312 m² |
| Floor area | 377 m² | 228 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 | 1 Note |
| Nearest metro | Atwater, 940 m | Atwater, 1.1 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4309 avenue Montrose Full report: 4339 avenue Montrose