140 51e Avenue vs 830 51e Avenue
Data as of October 25, 2026 · updated every week
140 51e Avenue is the older building (1925); 830 51e Avenue was built in 1952. 830 51e Avenue is assessed at $693,300, 14% more than 140 51e Avenue ($610,300). 140 51e Avenue has 1 building permits on record, 830 51e Avenue has 0. Neither is in a flood zone.
| 140 51e Avenue | 830 51e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1925 | 1952 |
| Assessed (roll) | $610,300 | $693,300 |
| Since the previous roll | +9 % | +5 % |
| Welcome tax on that value | ≈ $7,555 | ≈ $9,215 |
| Lot | 604 m² | 495 m² |
| Floor area | 129 m² | 111 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 · Aug 2019 | 0 |
| Findings | 2 Check 7 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.