4671-4677 boulevard Lavoisier vs 5665 boulevard Lavoisier
Data as of October 29, 2026 · updated every week
5665 boulevard Lavoisier is the older building (1959); 4671-4677 boulevard Lavoisier was built in 1979. 4671-4677 boulevard Lavoisier is assessed at $1,308,100, 76% more than 5665 boulevard Lavoisier ($743,800). 4671-4677 boulevard Lavoisier has 0 building permits on record, 5665 boulevard Lavoisier has 1. Neither is in a flood zone.
| 4671-4677 boulevard Lavoisier | 5665 boulevard Lavoisier | |
|---|---|---|
| Type | 5 dwellings | House or building |
| City and borough | Montréal · Saint-Léonard | Montréal · Saint-Léonard |
| Built | 1979 | 1959 |
| Assessed (roll) | $1,308,100 | $743,800 |
| Since the previous roll | +10 % | +17 % |
| Welcome tax on that value | ≈ $22,528 | ≈ $10,225 |
| Lot | 636 m² | 547 m² |
| Floor area | 443 m² | 141 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 | 1 · May 2009 |
| Findings | 5 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: 4671-4677 boulevard Lavoisier Full report: 5665 boulevard Lavoisier