641 1e Avenue vs 669-671 1e Avenue
Data as of October 25, 2026 · updated every week
669-671 1e Avenue is the older building (1925); 641 1e Avenue was built in 1959. 641 1e Avenue is assessed at $1,470,800, 168% more than 669-671 1e Avenue ($548,800). 641 1e Avenue has 0 building permits on record, 669-671 1e Avenue has 1. Neither is in a flood zone.
| 641 1e Avenue | 669-671 1e Avenue | |
|---|---|---|
| Type | 18 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1959 | 1925 |
| Assessed (roll) | $1,470,800 | $548,800 |
| Since the previous roll | +11 % | +19 % |
| Welcome tax on that value | ≈ $26,596 | ≈ $6,343 |
| Lot | 557 m² | 297 m² |
| Floor area | 1,061 m² | 197 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 | 1 · Sep 2023 |
| Findings | 5 Note | 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.