640 20e Avenue vs 649-651 20e Avenue
Data as of October 25, 2026 · updated every week
649-651 20e Avenue is the older building (1948); 640 20e Avenue was built in 1950. 649-651 20e Avenue is assessed at $841,800, 48% more than 640 20e Avenue ($566,900). 640 20e Avenue has 0 building permits on record, 649-651 20e Avenue has 2. Neither is in a flood zone.
| 640 20e Avenue | 649-651 20e Avenue | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1950 | 1948 |
| Assessed (roll) | $566,900 | $841,800 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $6,687 | ≈ $12,185 |
| Lot | 411 m² | 543 m² |
| Floor area | 116 m² | 216 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 | 2 · Jun 2022 |
| Findings | 4 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.