6405 21e Avenue vs 403-6410 21e Avenue
Data as of November 1, 2026 · updated every week
6405 21e Avenue is the older building (1999); 403-6410 21e Avenue was built in 2003. 6405 21e Avenue is assessed at $868,200 and 403-6410 21e Avenue at $519,800; one is a whole condo building, so the values do not compare directly. Each has 3 building permits on record. Neither is in a flood zone.
| 6405 21e Avenue | 403-6410 21e Avenue | |
|---|---|---|
| Type | Condo building, 1 unit | Condo unit |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1999 | 2003 |
| Assessed (roll) | $868,200 | $519,800 |
| Since the previous roll | — | +3 % |
| Welcome tax on that value | ≈ $12,713 | ≈ $5,908 |
| Lot | — | — |
| Floor area | 174 m² | 95 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 | 3 · Aug 2025 | 3 · Aug 2024 |
| Findings | 1 Check 3 Note | 1 Check 3 Note |
| Nearest metro | Saint-Michel, 1.6 km | Saint-Michel, 1.6 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6405 21e Avenue Full report: 403-6410 21e Avenue