4170 rue Sir-George-Simpson vs 4580 rue Sir-George-Simpson
Data as of October 29, 2026 · updated every week
Both were built in 1950. 4170 rue Sir-George-Simpson is assessed at $729,600, 49% more than 4580 rue Sir-George-Simpson ($490,000). 4170 rue Sir-George-Simpson has 1 building permits on record, 4580 rue Sir-George-Simpson has 2. Neither is in a flood zone.
| 4170 rue Sir-George-Simpson | 4580 rue Sir-George-Simpson | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1950 | 1950 |
| Assessed (roll) | $729,600 | $490,000 |
| Since the previous roll | +8 % | +8 % |
| Welcome tax on that value | ≈ $9,941 | ≈ $5,461 |
| Lot | 557 m² | 531 m² |
| Floor area | 209 m² | 113 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 | 1 · Apr 2006 | 2 · Jun 2009 |
| Findings | 5 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4170 rue Sir-George-Simpson Full report: 4580 rue Sir-George-Simpson