5580 boulevard Lavoisier vs 6485 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5580 boulevard Lavoisier is the older building (1959); 6485 boulevard Lavoisier was built in 1999. 6485 boulevard Lavoisier is assessed at $826,900, 58% more than 5580 boulevard Lavoisier ($525,000). Neither has a building permit on record. Neither is in a flood zone.
| 5580 boulevard Lavoisier | 6485 boulevard Lavoisier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 1959 | 1999 |
| Assessed (roll) | $525,000 | $826,900 |
| Since the previous roll | +17 % | +15 % |
| Welcome tax on that value | ≈ $5,986 | ≈ $11,887 |
| Lot | 530 m² | 354 m² |
| Floor area | 94 m² | 179 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 | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 5580 boulevard Lavoisier Full report: 6485 boulevard Lavoisier