11811 boulevard O'Brien vs 12217 boulevard O'Brien
Data as of October 29, 2026 · updated every week
12217 boulevard O'Brien is the older building (1917); 11811 boulevard O'Brien was built in 1965. 12217 boulevard O'Brien is assessed at $572,200, 11% more than 11811 boulevard O'Brien ($515,300). 11811 boulevard O'Brien has 0 building permits on record, 12217 boulevard O'Brien has 1. Neither is in a flood zone.
| 11811 boulevard O'Brien | 12217 boulevard O'Brien | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1965 | 1917 |
| Assessed (roll) | $515,300 | $572,200 |
| Since the previous roll | +12 % | +21 % |
| Welcome tax on that value | ≈ $5,840 | ≈ $6,793 |
| Lot | 232 m² | 465 m² |
| Floor area | 84 m² | 162 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 0 | 1 · May 2000 |
| Findings | 3 Note | 2 Check 5 Note |
| Nearest metro | Côte-Vertu, 2.3 km | Montmorency, 2.7 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: 12217 boulevard O'Brien