580-582 6e Avenue vs 661-663 6e Avenue
Data as of October 29, 2026 · updated every week
Both were built in 1950. 580-582 6e Avenue is assessed at $772,500, 16% more than 661-663 6e Avenue ($665,000). 580-582 6e Avenue has 1 building permits on record, 661-663 6e Avenue has 2. Neither is in a flood zone.
| 580-582 6e Avenue | 661-663 6e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1950 | 1950 |
| Assessed (roll) | $772,500 | $665,000 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $10,799 | ≈ $8,649 |
| Lot | 348 m² | 381 m² |
| Floor area | 217 m² | 205 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 · Dec 2015 | 2 · Jun 2019 |
| Findings | 1 Check 4 Note | 1 Check 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 580-582 6e Avenue Full report: 661-663 6e Avenue