21 6e Avenue vs 4 6e Avenue
Data as of October 29, 2026 · updated every week
21 6e Avenue is the older building (1944); 4 6e Avenue was built in 1959. 21 6e Avenue is assessed at $1,303,700, 51% more than 4 6e Avenue ($865,400). 21 6e Avenue has 5 building permits on record, 4 6e Avenue has 9. Neither is in a flood zone.
| 21 6e Avenue | 4 6e Avenue | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Montréal · Pierrefonds-Roxboro | Montréal · Pierrefonds-Roxboro |
| Built | 1944 | 1959 |
| Assessed (roll) | $1,303,700 | $865,400 |
| Since the previous roll | +9 % | +12 % |
| Welcome tax on that value | ≈ $22,418 | ≈ $12,657 |
| Lot | 465 m² | 445 m² |
| Floor area | 181 m² | 144 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 | 5 · Jan 2025 | 9 · Jul 2026 |
| Findings | 2 Check 2 Note | 2 Check 6 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.