101 51e Avenue vs 80 51e Avenue
Data as of October 29, 2026 · updated every week
80 51e Avenue is the older building (1938); 101 51e Avenue was built in 1949. 80 51e Avenue is assessed at $872,000, 77% more than 101 51e Avenue ($493,600). 101 51e Avenue has 0 building permits on record, 80 51e Avenue has 5. Neither is in a flood zone.
| 101 51e Avenue | 80 51e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1949 | 1938 |
| Assessed (roll) | $493,600 | $872,000 |
| Since the previous roll | +9 % | +9 % |
| Welcome tax on that value | ≈ $5,515 | ≈ $12,789 |
| Lot | 335 m² | 622 m² |
| Floor area | 101 m² | 162 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 0 | 5 · May 2019 |
| Findings | 1 Check 5 Note | 2 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.