427 21e Avenue vs R2-440 21e Avenue
Data as of October 29, 2026 · updated every week
427 21e Avenue is assessed at $392,500 and R2-440 21e Avenue at $15,500; one is a whole condo building, so the values do not compare directly. 427 21e Avenue has 2 building permits on record, R2-440 21e Avenue has 0. Neither is in a flood zone.
| 427 21e Avenue | R2-440 21e Avenue | |
|---|---|---|
| Type | Condo building, 8 units | Condo unit |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 2009 | — |
| Assessed (roll) | $392,500 | $15,500 |
| Since the previous roll | — | +20 % |
| Welcome tax on that value | ≈ $3,998 | ≈ $78 |
| Lot | — | — |
| Floor area | 581 m² | 141 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | No |
| Building permits on record | 2 · Jul 2026 | 0 |
| Findings | 2 Check 3 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.