556-560 avenue O'Connell vs 580 avenue O'Connell
Data as of October 29, 2026 · updated every week
556-560 avenue O'Connell is the older building (1952); 580 avenue O'Connell was built in 2007. 580 avenue O'Connell is assessed at $676,800, 26% more than 556-560 avenue O'Connell ($539,000). Neither has a building permit on record. Neither is in a flood zone.
| 556-560 avenue O'Connell | 580 avenue O'Connell | |
|---|---|---|
| Type | 3 dwellings | House or building |
| City and borough | Dorval | Dorval |
| Built | 1952 | 2007 |
| Assessed (roll) | $539,000 | $676,800 |
| Since the previous roll | +13 % | +20 % |
| Welcome tax on that value | ≈ $6,196 | ≈ $8,263 |
| Lot | 460 m² | 530 m² |
| Floor area | 239 m² | 163 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 | 0 |
| Findings | 1 Check 1 Note | 1 Check 1 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 556-560 avenue O'Connell Full report: 580 avenue O'Connell