450 18e Avenue vs 571 18e Avenue
Data as of October 25, 2026 · updated every week
450 18e Avenue is the older building (1910); 571 18e Avenue was built in 1920. 571 18e Avenue is assessed at $603,000, 10% more than 450 18e Avenue ($546,200). 450 18e Avenue has 1 building permits on record, 571 18e Avenue has 5. Neither is in a flood zone.
| 450 18e Avenue | 571 18e Avenue | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1910 | 1920 |
| Assessed (roll) | $546,200 | $603,000 |
| Since the previous roll | +19 % | +30 % |
| Welcome tax on that value | ≈ $6,304 | ≈ $7,409 |
| Lot | 220 m² | 295 m² |
| Floor area | 133 m² | 162 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | Yes |
| In a flood zone | No | No |
| Building permits on record | 1 · Dec 2021 | 5 · Mar 2012 |
| Findings | 1 Check 5 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.