431 21e Avenue vs R1-474 21e Avenue
Data as of October 29, 2026 · updated every week
431 21e Avenue is assessed at $392,500 and R1-474 21e Avenue at $782,200; one is a whole condo building, so the values do not compare directly. 431 21e Avenue has 4 building permits on record, R1-474 21e Avenue has 1. Neither is in a flood zone.
| 431 21e Avenue | R1-474 21e Avenue | |
|---|---|---|
| Type | Condo building, 8 units | Condo unit |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 2009 | — |
| Assessed (roll) | $392,500 | $782,200 |
| Since the previous roll | — | +12 % |
| Welcome tax on that value | ≈ $3,998 | ≈ $10,993 |
| Lot | — | — |
| Floor area | 585 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 | 4 · Jul 2026 | 1 · Jul 2008 |
| Findings | 2 Check 3 Note | 1 Check 6 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.