11811 boulevard O'Brien vs 12149 boulevard O'Brien
Data as of October 29, 2026 · updated every week
12149 boulevard O'Brien is the older building (1950); 11811 boulevard O'Brien was built in 1965. 12149 boulevard O'Brien is assessed at $722,000, 40% more than 11811 boulevard O'Brien ($515,300). 11811 boulevard O'Brien has 0 building permits on record, 12149 boulevard O'Brien has 2. Neither is in a flood zone.
| 11811 boulevard O'Brien | 12149 boulevard O'Brien | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1965 | 1950 |
| Assessed (roll) | $515,300 | $722,000 |
| Since the previous roll | +12 % | +10 % |
| Welcome tax on that value | ≈ $5,840 | ≈ $9,789 |
| Lot | 232 m² | 465 m² |
| Floor area | 84 m² | 121 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 | 2 · Feb 2026 |
| Findings | 3 Note | 1 Check 5 Note |
| Nearest metro | Côte-Vertu, 2.3 km | Montmorency, 2.8 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 11811 boulevard O'Brien Full report: 12149 boulevard O'Brien