434 18e Avenue vs 548-550 18e Avenue
Data as of October 29, 2026 · updated every week
434 18e Avenue is the older building (1900); 548-550 18e Avenue was built in 2017. 548-550 18e Avenue is assessed at $969,500, 144% more than 434 18e Avenue ($397,600). 434 18e Avenue has 0 building permits on record, 548-550 18e Avenue has 2. Neither is in a flood zone.
| 434 18e Avenue | 548-550 18e Avenue | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | ≈ 1900 | 2017 |
| Assessed (roll) | $397,600 | $969,500 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $4,075 | ≈ $14,739 |
| Lot | 221 m² | 319 m² |
| Floor area | 96 m² | 171 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 2 · Jul 2017 |
| Findings | 1 Serious 1 Check 6 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.