5800 boulevard Lavoisier vs 6580 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5800 boulevard Lavoisier is the older building (1968); 6580 boulevard Lavoisier was built in 1998. 5800 boulevard Lavoisier is assessed at $974,400, 50% more than 6580 boulevard Lavoisier ($647,500). Neither has a building permit on record. Neither is in a flood zone.
| 5800 boulevard Lavoisier | 6580 boulevard Lavoisier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 1968 | 1998 |
| Assessed (roll) | $974,400 | $647,500 |
| Since the previous roll | +7 % | +15 % |
| Welcome tax on that value | ≈ $14,837 | ≈ $8,299 |
| Lot | 499 m² | 282 m² |
| Floor area | 185 m² | 137 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 | 5 Note | 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 5800 boulevard Lavoisier Full report: 6580 boulevard Lavoisier