4663-4669 boulevard Lavoisier vs 5780 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5780 boulevard Lavoisier is the older building (1967); 4663-4669 boulevard Lavoisier was built in 1979. 4663-4669 boulevard Lavoisier is assessed at $1,317,000, 102% more than 5780 boulevard Lavoisier ($650,800). 4663-4669 boulevard Lavoisier has 2 building permits on record, 5780 boulevard Lavoisier has 0. Neither is in a flood zone.
| 4663-4669 boulevard Lavoisier | 5780 boulevard Lavoisier | |
|---|---|---|
| Type | 5 dwellings | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 1979 | 1967 |
| Assessed (roll) | $1,317,000 | $650,800 |
| Since the previous roll | +10 % | +7 % |
| Welcome tax on that value | ≈ $22,751 | ≈ $8,365 |
| Lot | 524 m² | 418 m² |
| Floor area | 443 m² | 129 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 | 2 · Oct 2023 | 0 |
| Findings | 4 Note | 4 Note |
| Nearest metro | Saint-Michel, 2.8 km | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4663-4669 boulevard Lavoisier Full report: 5780 boulevard Lavoisier