485 18e Avenue vs 580 18e Avenue
Data as of October 29, 2026 · updated every week
580 18e Avenue is the older building (1920); 485 18e Avenue was built in 1980. 485 18e Avenue is assessed at $3,721,300, 624% more than 580 18e Avenue ($513,800). 485 18e Avenue has 3 building permits on record, 580 18e Avenue has 2. Neither is in a flood zone.
| 485 18e Avenue | 580 18e Avenue | |
|---|---|---|
| Type | 24 dwellings | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1980 | 1920 |
| Assessed (roll) | $3,721,300 | $513,800 |
| Since the previous roll | +11 % | +19 % |
| Welcome tax on that value | ≈ $101,748 | ≈ $5,818 |
| Lot | 3,626 m² | 304 m² |
| Floor area | 2,187 m² | 116 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 3 · Oct 2017 | 2 · Jul 2014 |
| Findings | 4 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.