5550 boulevard Lavoisier vs 5580 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5580 boulevard Lavoisier is the older building (1959); 5550 boulevard Lavoisier was built in 2007. 5550 boulevard Lavoisier is assessed at $1,081,000, 106% more than 5580 boulevard Lavoisier ($525,000). 5550 boulevard Lavoisier has 4 building permits on record, 5580 boulevard Lavoisier has 0. Neither is in a flood zone.
| 5550 boulevard Lavoisier | 5580 boulevard Lavoisier | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 2007 | 1959 |
| Assessed (roll) | $1,081,000 | $525,000 |
| Since the previous roll | +17 % | +17 % |
| Welcome tax on that value | ≈ $16,969 | ≈ $5,986 |
| Lot | 530 m² | 530 m² |
| Floor area | 235 m² | 94 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 | 4 · Jul 2022 | 0 |
| Findings | 4 Note | 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 5550 boulevard Lavoisier Full report: 5580 boulevard Lavoisier