1230 avenue O'Brien vs 1400 avenue O'Brien
Data as of October 29, 2026 · updated every week
1230 avenue O'Brien is the older building (1922); 1400 avenue O'Brien was built in 1941. 1400 avenue O'Brien is assessed at $733,900, 39% more than 1230 avenue O'Brien ($528,100). 1230 avenue O'Brien has 0 building permits on record, 1400 avenue O'Brien has 2. Neither is in a flood zone.
| 1230 avenue O'Brien | 1400 avenue O'Brien | |
|---|---|---|
| Type | House or building | 4 dwellings |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 1922 | 1941 |
| Assessed (roll) | $528,100 | $733,900 |
| Since the previous roll | +10 % | +12 % |
| Welcome tax on that value | ≈ $6,032 | ≈ $10,027 |
| Lot | 274 m² | 456 m² |
| Floor area | 108 m² | 183 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 2 · Mar 2012 |
| Findings | 1 Serious 1 Check 5 Note | 1 Serious 5 Note |
| Nearest metro | Côte-Vertu, 370 m | Côte-Vertu, 570 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 1230 avenue O'Brien Full report: 1400 avenue O'Brien