525 18e Avenue vs 559-561 18e Avenue
Data as of October 29, 2026 · updated every week
559-561 18e Avenue is the older building (1925); 525 18e Avenue was built in 1978. 525 18e Avenue is assessed at $2,711,200, 220% more than 559-561 18e Avenue ($846,600). 525 18e Avenue has 1 building permits on record, 559-561 18e Avenue has 5. Neither is in a flood zone.
| 525 18e Avenue | 559-561 18e Avenue | |
|---|---|---|
| Type | 16 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1978 | 1925 |
| Assessed (roll) | $2,711,200 | $846,600 |
| Since the previous roll | +11 % | +19 % |
| Welcome tax on that value | ≈ $63,353 | ≈ $12,281 |
| Lot | 1,013 m² | 414 m² |
| Floor area | 819 m² | 231 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 | 1 · May 2008 | 5 · Apr 2010 |
| Findings | 3 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.