4270 rue Sir-George-Simpson vs 4420 rue Sir-George-Simpson
Data as of October 29, 2026 · updated every week
4270 rue Sir-George-Simpson is the older building (1949); 4420 rue Sir-George-Simpson was built in 1951. 4420 rue Sir-George-Simpson is assessed at $604,200, 25% more than 4270 rue Sir-George-Simpson ($482,800). 4270 rue Sir-George-Simpson has 0 building permits on record, 4420 rue Sir-George-Simpson has 4. Neither is in a flood zone.
| 4270 rue Sir-George-Simpson | 4420 rue Sir-George-Simpson | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1949 | 1951 |
| Assessed (roll) | $482,800 | $604,200 |
| Since the previous roll | +8 % | +8 % |
| Welcome tax on that value | ≈ $5,353 | ≈ $7,433 |
| Lot | 557 m² | 675 m² |
| Floor area | 116 m² | 109 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 | 4 · Aug 2025 |
| Findings | 5 Note | 1 Check 2 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4270 rue Sir-George-Simpson Full report: 4420 rue Sir-George-Simpson