11858 boulevard O'Brien vs 12154 boulevard O'Brien
Data as of October 29, 2026 · updated every week
11858 boulevard O'Brien is the older building (1949); 12154 boulevard O'Brien was built in 1955. 12154 boulevard O'Brien is assessed at $968,300, 55% more than 11858 boulevard O'Brien ($624,000). 11858 boulevard O'Brien has 1 building permits on record, 12154 boulevard O'Brien has 3. Neither is in a flood zone.
| 11858 boulevard O'Brien | 12154 boulevard O'Brien | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1949 | 1955 |
| Assessed (roll) | $624,000 | $968,300 |
| Since the previous roll | +12 % | +10 % |
| Welcome tax on that value | ≈ $7,829 | ≈ $14,715 |
| Lot | 465 m² | 465 m² |
| Floor area | 95 m² | 164 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 | 1 · Mar 2021 | 3 · Nov 2022 |
| Findings | 1 Serious 3 Note | 1 Serious 5 Note |
| Nearest metro | Côte-Vertu, 2.5 km | Montmorency, 2.8 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 11858 boulevard O'Brien Full report: 12154 boulevard O'Brien