575-577 4e Avenue vs 645-649 4e Avenue
Data as of October 25, 2026 · updated every week
645-649 4e Avenue is the older building (1905); 575-577 4e Avenue was built in 1930. 575-577 4e Avenue is assessed at $490,200, 3% more than 645-649 4e Avenue ($476,500). 575-577 4e Avenue has 0 building permits on record, 645-649 4e Avenue has 2. Neither is in a flood zone.
| 575-577 4e Avenue | 645-649 4e Avenue | |
|---|---|---|
| Type | 2 dwellings | 3 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1930 | 1905 |
| Assessed (roll) | $490,200 | $476,500 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $5,464 | ≈ $5,258 |
| Lot | 177 m² | 177 m² |
| Floor area | 170 m² | 259 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 | 0 | 2 · Oct 2012 |
| Findings | 1 Check 5 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 575-577 4e Avenue Full report: 645-649 4e Avenue