4000 avenue Montrose vs 4321 avenue Montrose
Data as of October 29, 2026 · updated every week
4321 avenue Montrose is the older building (1909); 4000 avenue Montrose was built in 1923. 4000 avenue Montrose is assessed at $2,716,600, 49% more than 4321 avenue Montrose ($1,827,500). Neither has a building permit on record. Neither is in a flood zone.
| 4000 avenue Montrose | 4321 avenue Montrose | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1923 | 1909 |
| Assessed (roll) | $2,716,600 | $1,827,500 |
| Since the previous roll | +11 % | +8 % |
| Welcome tax on that value | ≈ $38,860 | ≈ $25,523 |
| Lot | 512 m² | 246 m² |
| Floor area | 231 m² | 216 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, 770 m | Atwater, 1.0 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4000 avenue Montrose Full report: 4321 avenue Montrose