5645 boulevard Lavoisier vs 6490 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5645 boulevard Lavoisier is the older building (1959); 6490 boulevard Lavoisier was built in 1999. 6490 boulevard Lavoisier is assessed at $680,900, 19% more than 5645 boulevard Lavoisier ($570,400). Neither has a building permit on record. Neither is in a flood zone.
| 5645 boulevard Lavoisier | 6490 boulevard Lavoisier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 1959 | 1999 |
| Assessed (roll) | $570,400 | $680,900 |
| Since the previous roll | +17 % | +15 % |
| Welcome tax on that value | ≈ $6,757 | ≈ $8,967 |
| Lot | 504 m² | 279 m² |
| Floor area | 118 m² | 156 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 | 0 |
| Findings | 4 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 5645 boulevard Lavoisier Full report: 6490 boulevard Lavoisier