428-434 rue d' Oka vs 509-511 rue d' Oka
Data as of October 29, 2026 · updated every week
509-511 rue d' Oka is the older building (1961); 428-434 rue d' Oka was built in 1965. 428-434 rue d' Oka is assessed at $947,600, 38% more than 509-511 rue d' Oka ($685,300). 428-434 rue d' Oka has 1 building permits on record, 509-511 rue d' Oka has 3. Neither is in a flood zone.
| 428-434 rue d' Oka | 509-511 rue d' Oka | |
|---|---|---|
| Type | 4 dwellings | 2 dwellings |
| City and borough | Montréal · LaSalle | Montréal · LaSalle |
| Built | 1965 | 1961 |
| Assessed (roll) | $947,600 | $685,300 |
| Since the previous roll | +6 % | +16 % |
| Welcome tax on that value | ≈ $14,301 | ≈ $9,055 |
| Lot | 383 m² | 331 m² |
| Floor area | 334 m² | 174 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 · Jul 2007 | 3 · Jun 2009 |
| Findings | 4 Note | 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 428-434 rue d' Oka Full report: 509-511 rue d' Oka