515 4e Avenue vs 578-584 4e Avenue
Data as of October 25, 2026 · updated every week
515 4e Avenue is the older building (1910); 578-584 4e Avenue was built in 1925. 578-584 4e Avenue is assessed at $658,000, 21% more than 515 4e Avenue ($545,100). 515 4e Avenue has 3 building permits on record, 578-584 4e Avenue has 0. Neither is in a flood zone.
| 515 4e Avenue | 578-584 4e Avenue | |
|---|---|---|
| Type | 2 dwellings | 3 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1910 | 1925 |
| Assessed (roll) | $545,100 | $658,000 |
| Since the previous roll | +19 % | +21 % |
| Welcome tax on that value | ≈ $6,287 | ≈ $8,509 |
| Lot | 353 m² | 177 m² |
| Floor area | 223 m² | 251 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 3 · May 2007 | 0 |
| Findings | 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.