4240 rue Claude-Henri-Grignon vs 4427 rue Claude-Henri-Grignon
Data as of October 29, 2026 · updated every week
4427 rue Claude-Henri-Grignon is the older building (2002); 4240 rue Claude-Henri-Grignon was built in 2008. 4240 rue Claude-Henri-Grignon is assessed at $3,186,000, 75% more than 4427 rue Claude-Henri-Grignon ($1,821,900). Each has 2 building permits on record. Neither is in a flood zone.
| 4240 rue Claude-Henri-Grignon | 4427 rue Claude-Henri-Grignon | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 2008 | 2002 |
| Assessed (roll) | $3,186,000 | $1,821,900 |
| Since the previous roll | +43 % | +25 % |
| Welcome tax on that value | ≈ $80,336 | ≈ $35,373 |
| Lot | 833 m² | 608 m² |
| Floor area | 474 m² | 316 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 · May 2011 | 2 · Mar 2016 |
| Findings | 3 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4240 rue Claude-Henri-Grignon Full report: 4427 rue Claude-Henri-Grignon