542-544 18e Avenue vs 635-637 18e Avenue
Data as of October 29, 2026 · updated every week
542-544 18e Avenue is the older building (1930); 635-637 18e Avenue was built in 1938. 542-544 18e Avenue is assessed at $761,600, 32% more than 635-637 18e Avenue ($574,900). 542-544 18e Avenue has 4 building permits on record, 635-637 18e Avenue has 2. Neither is in a flood zone.
| 542-544 18e Avenue | 635-637 18e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1930 | 1938 |
| Assessed (roll) | $761,600 | $574,900 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $10,581 | ≈ $6,847 |
| Lot | 418 m² | 270 m² |
| Floor area | 201 m² | 200 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 | 4 · Jul 2024 | 2 · Sep 2025 |
| Findings | 1 Serious 2 Check 2 Note | 2 Check 2 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 542-544 18e Avenue Full report: 635-637 18e Avenue