639-643 4e Avenue vs 665-667 4e Avenue
Data as of October 29, 2026 · updated every week
639-643 4e Avenue is the older building (1905); 665-667 4e Avenue was built in 1962. 665-667 4e Avenue is assessed at $708,100, 26% more than 639-643 4e Avenue ($561,400). 639-643 4e Avenue has 1 building permits on record, 665-667 4e Avenue has 0. Neither is in a flood zone.
| 639-643 4e Avenue | 665-667 4e Avenue | |
|---|---|---|
| Type | 3 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1905 | 1962 |
| Assessed (roll) | $561,400 | $708,100 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $6,577 | ≈ $9,511 |
| Lot | 177 m² | 177 m² |
| Floor area | 259 m² | 200 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 · Nov 2001 | 0 |
| Findings | 1 Check 4 Note | 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 639-643 4e Avenue Full report: 665-667 4e Avenue