11843 boulevard O'Brien vs 12030 boulevard O'Brien
Data as of October 29, 2026 · updated every week
12030 boulevard O'Brien is the older building (1925); 11843 boulevard O'Brien was built in 1949. 12030 boulevard O'Brien is assessed at $830,700, 46% more than 11843 boulevard O'Brien ($569,900). 11843 boulevard O'Brien has 0 building permits on record, 12030 boulevard O'Brien has 1. Neither is in a flood zone.
| 11843 boulevard O'Brien | 12030 boulevard O'Brien | |
|---|---|---|
| Type | House or building | 4 dwellings |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1949 | 1925 |
| Assessed (roll) | $569,900 | $830,700 |
| Since the previous roll | +12 % | +19 % |
| Welcome tax on that value | ≈ $6,747 | ≈ $11,963 |
| Lot | 465 m² | 697 m² |
| Floor area | 94 m² | 301 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 | 1 · Jun 1992 |
| Findings | 3 Note | 5 Note |
| Nearest metro | Côte-Vertu, 2.4 km | Côte-Vertu, 2.8 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 11843 boulevard O'Brien Full report: 12030 boulevard O'Brien