100 20e Avenue vs 649-651 20e Avenue
Data as of October 29, 2026 · updated every week
100 20e Avenue is the older building (1850); 649-651 20e Avenue was built in 1948. 100 20e Avenue is assessed at $971,300, 15% more than 649-651 20e Avenue ($841,800). 100 20e Avenue has 1 building permits on record, 649-651 20e Avenue has 2. Neither is in a flood zone.
| 100 20e Avenue | 649-651 20e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | ≈ 1850 | 1948 |
| Assessed (roll) | $971,300 | $841,800 |
| Since the previous roll | +7 % | +19 % |
| Welcome tax on that value | ≈ $14,775 | ≈ $12,185 |
| Lot | 1,416 m² | 543 m² |
| Floor area | 268 m² | 216 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 · May 2011 | 2 · Jun 2022 |
| Findings | 1 Check 5 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.