343 avenue Olivier vs 351 avenue Olivier
Data as of October 29, 2026 · updated every week
343 avenue Olivier is the older building (1880); 351 avenue Olivier was built in 1897. 343 avenue Olivier is assessed at $2,630,100, 30% more than 351 avenue Olivier ($2,030,300). Neither has a building permit on record. Neither is in a flood zone.
| 343 avenue Olivier | 351 avenue Olivier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1880 | ≈ 1897 |
| Assessed (roll) | $2,630,100 | $2,030,300 |
| Since the previous roll | +1 % | +1 % |
| Welcome tax on that value | ≈ $37,562 | ≈ $28,565 |
| Lot | 455 m² | 312 m² |
| Floor area | 251 m² | 254 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 | 3 Note |
| Nearest metro | Atwater, 550 m | Atwater, 560 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 343 avenue Olivier Full report: 351 avenue Olivier