11839 boulevard O'Brien vs 12071 boulevard O'Brien
Data as of October 29, 2026 · updated every week
11839 boulevard O'Brien is the older building (1949); 12071 boulevard O'Brien was built in 1950. 11839 boulevard O'Brien is assessed at $570,000, 5% more than 12071 boulevard O'Brien ($542,700). 11839 boulevard O'Brien has 2 building permits on record, 12071 boulevard O'Brien has 0. Neither is in a flood zone.
| 11839 boulevard O'Brien | 12071 boulevard O'Brien | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1949 | 1950 |
| Assessed (roll) | $570,000 | $542,700 |
| Since the previous roll | +12 % | +10 % |
| Welcome tax on that value | ≈ $6,749 | ≈ $6,251 |
| Lot | 465 m² | 465 m² |
| Floor area | 97 m² | 95 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 | 2 · Jul 2015 | 0 |
| Findings | 3 Note | 4 Note |
| Nearest metro | Côte-Vertu, 2.4 km | Côte-Vertu, 2.9 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 11839 boulevard O'Brien Full report: 12071 boulevard O'Brien