3-100 21e Avenue vs 414 21e Avenue
Data as of October 29, 2026 · updated every week
3-100 21e Avenue is the older building (1930); 414 21e Avenue was built in 2005. 3-100 21e Avenue is assessed at $304,300 and 414 21e Avenue at $811,900; one is a whole condo building, so the values do not compare directly. 3-100 21e Avenue has 6 building permits on record, 414 21e Avenue has 0. Neither is in a flood zone.
| 3-100 21e Avenue | 414 21e Avenue | |
|---|---|---|
| Type | Condo unit | Condo building, 2 units |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1930 | 2005 |
| Assessed (roll) | $304,300 | $811,900 |
| Since the previous roll | +10 % | — |
| Welcome tax on that value | ≈ $2,729 | ≈ $11,587 |
| Lot | — | — |
| Floor area | 72 m² | 141 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 6 · Nov 2024 | 0 |
| Findings | 2 Check 4 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.