580-582 3e Avenue vs 621-623 3e Avenue
Data as of October 29, 2026 · updated every week
580-582 3e Avenue is the older building (1900); 621-623 3e Avenue was built in 1911. 580-582 3e Avenue is assessed at $489,300, 5% more than 621-623 3e Avenue ($465,800). 580-582 3e Avenue has 1 building permits on record, 621-623 3e Avenue has 0. Neither is in a flood zone.
| 580-582 3e Avenue | 621-623 3e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | ≈ 1900 | 1911 |
| Assessed (roll) | $489,300 | $465,800 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $5,450 | ≈ $5,098 |
| Lot | 177 m² | 177 m² |
| Floor area | 173 m² | 150 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 | 1 · Jun 2025 | 0 |
| Findings | 2 Check 3 Note | 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 580-582 3e Avenue Full report: 621-623 3e Avenue