639-641 5e Avenue vs 665-669 5e Avenue
Data as of October 29, 2026 · updated every week
639-641 5e Avenue is the older building (1910); 665-669 5e Avenue was built in 1950. 665-669 5e Avenue is assessed at $868,500, 49% more than 639-641 5e Avenue ($584,100). 639-641 5e Avenue has 9 building permits on record, 665-669 5e Avenue has 1. Neither is in a flood zone.
| 639-641 5e Avenue | 665-669 5e Avenue | |
|---|---|---|
| Type | 2 dwellings | 3 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1910 | 1950 |
| Assessed (roll) | $584,100 | $868,500 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $7,031 | ≈ $12,719 |
| Lot | 174 m² | 381 m² |
| Floor area | 168 m² | 279 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 | 9 · Jul 2022 | 1 · May 2024 |
| Findings | 1 Check 4 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 639-641 5e Avenue Full report: 665-669 5e Avenue