571 17e Avenue vs 666 17e Avenue
Data as of October 29, 2026 · updated every week
571 17e Avenue is the older building (1940); 666 17e Avenue was built in 1953. 666 17e Avenue is assessed at $854,800, 49% more than 571 17e Avenue ($575,000). 571 17e Avenue has 0 building permits on record, 666 17e Avenue has 2. Neither is in a flood zone.
| 571 17e Avenue | 666 17e Avenue | |
|---|---|---|
| Type | House or building | 3 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1940 | 1953 |
| Assessed (roll) | $575,000 | $854,800 |
| Since the previous roll | +38 % | +19 % |
| Welcome tax on that value | ≈ $6,849 | ≈ $12,445 |
| Lot | 255 m² | 399 m² |
| Floor area | 124 m² | 279 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 | 2 · Jun 2026 |
| Findings | 3 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.