647-649 12e Avenue vs 857 12e Avenue
Data as of October 25, 2026 · updated every week
647-649 12e Avenue is the older building (1952); 857 12e Avenue was built in 1980. 857 12e Avenue is assessed at $583,200, 22% more than 647-649 12e Avenue ($477,400). 647-649 12e Avenue has 1 building permits on record, 857 12e Avenue has 0. Neither is in a flood zone.
| 647-649 12e Avenue | 857 12e Avenue | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1952 | 1980 |
| Assessed (roll) | $477,400 | $583,200 |
| Since the previous roll | +19 % | +21 % |
| Welcome tax on that value | ≈ $5,272 | ≈ $7,013 |
| Lot | 209 m² | 222 m² |
| Floor area | 144 m² | 126 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 | 1 · Apr 2013 | 0 |
| Findings | 4 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.