493-495 31e Avenue vs 509-511 31e Avenue
Data as of October 29, 2026 · updated every week
509-511 31e Avenue is the older building (1962); 493-495 31e Avenue was built in 1963. They are assessed at about the same value ($775,900). 493-495 31e Avenue has 2 building permits on record, 509-511 31e Avenue has 4. Neither is in a flood zone.
| 493-495 31e Avenue | 509-511 31e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · LaSalle | Montréal · LaSalle |
| Built | 1963 | 1962 |
| Assessed (roll) | $775,900 | $759,700 |
| Since the previous roll | +1 % | +1 % |
| Welcome tax on that value | ≈ $10,867 | ≈ $10,543 |
| Lot | 241 m² | 248 m² |
| Floor area | 223 m² | 223 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 | 2 · Jul 2023 | 4 · Sep 1998 |
| Findings | 3 Note | 1 Serious 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 493-495 31e Avenue Full report: 509-511 31e Avenue