178-180 18e Avenue vs 549-551 18e Avenue
Data as of October 25, 2026 · updated every week
178-180 18e Avenue is the older building (1885); 549-551 18e Avenue was built in 1922. 549-551 18e Avenue is assessed at $943,800, 4% more than 178-180 18e Avenue ($907,100). 178-180 18e Avenue has 3 building permits on record, 549-551 18e Avenue has 0. Neither is in a flood zone.
| 178-180 18e Avenue | 549-551 18e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1885 | 1922 |
| Assessed (roll) | $907,100 | $943,800 |
| Since the previous roll | +21 % | +19 % |
| Welcome tax on that value | ≈ $13,491 | ≈ $14,225 |
| Lot | 217 m² | 773 m² |
| Floor area | 300 m² | 326 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 | 3 · Jul 2015 | 0 |
| Findings | 1 Check 7 Note | 1 Check 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 178-180 18e Avenue Full report: 549-551 18e Avenue