1090 avenue O'Brien vs 1848-1850 avenue O'Brien
Data as of October 29, 2026 · updated every week
1848-1850 avenue O'Brien is the older building (1921); 1090 avenue O'Brien was built in 1941. 1848-1850 avenue O'Brien is assessed at $853,900, 12% more than 1090 avenue O'Brien ($764,900). 1090 avenue O'Brien has 3 building permits on record, 1848-1850 avenue O'Brien has 4. Neither is in a flood zone.
| 1090 avenue O'Brien | 1848-1850 avenue O'Brien | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 1941 | 1921 |
| Assessed (roll) | $764,900 | $853,900 |
| Since the previous roll | +10 % | +6 % |
| Welcome tax on that value | ≈ $10,647 | ≈ $12,427 |
| Lot | 370 m² | 517 m² |
| Floor area | 107 m² | 261 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 | 3 · Apr 2024 | 4 · Jun 2016 |
| Findings | 1 Serious 1 Check 2 Note | 1 Serious 2 Check 5 Note |
| Nearest metro | Côte-Vertu, 260 m | Côte-Vertu, 1.3 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 1090 avenue O'Brien Full report: 1848-1850 avenue O'Brien