1580 avenue O'Brien vs 1705 avenue O'Brien
Data as of October 29, 2026 · updated every week
1705 avenue O'Brien is the older building (1944); 1580 avenue O'Brien was built in 1947. They are assessed at about the same value ($737,800). 1580 avenue O'Brien has 2 building permits on record, 1705 avenue O'Brien has 4. Neither is in a flood zone.
| 1580 avenue O'Brien | 1705 avenue O'Brien | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 1947 | 1944 |
| Assessed (roll) | $737,800 | $741,600 |
| Since the previous roll | +10 % | +10 % |
| Welcome tax on that value | ≈ $10,105 | ≈ $10,181 |
| Lot | 354 m² | 393 m² |
| Floor area | 169 m² | 199 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 · May 2014 | 4 · Aug 2022 |
| Findings | 1 Serious 4 Note | 1 Serious 6 Note |
| Nearest metro | Côte-Vertu, 820 m | Côte-Vertu, 960 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 1580 avenue O'Brien Full report: 1705 avenue O'Brien