266 avenue Olivier vs 378 avenue Olivier
Data as of October 29, 2026 · updated every week
266 avenue Olivier is the older building (1890); 378 avenue Olivier was built in 1966. 378 avenue Olivier is assessed at $1,937,400, 19% more than 266 avenue Olivier ($1,633,900). Neither has a building permit on record. Neither is in a flood zone.
| 266 avenue Olivier | 378 avenue Olivier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1890 | 1966 |
| Assessed (roll) | $1,633,900 | $1,937,400 |
| Since the previous roll | +1 % | +1 % |
| Welcome tax on that value | ≈ $22,619 | ≈ $27,172 |
| Lot | 256 m² | 164 m² |
| Floor area | 185 m² | 169 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 | 3 Note |
| Nearest metro | Atwater, 590 m | Atwater, 630 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 266 avenue Olivier Full report: 378 avenue Olivier