6570-6574 21e Avenue vs 6855 21e Avenue
Data as of November 1, 2026 · updated every week
6570-6574 21e Avenue is the older building (1955); 6855 21e Avenue was built in 1958. 6855 21e Avenue is assessed at $5,456,000, 624% more than 6570-6574 21e Avenue ($753,200). 6570-6574 21e Avenue has 6 building permits on record, 6855 21e Avenue has 1. Neither is in a flood zone.
| 6570-6574 21e Avenue | 6855 21e Avenue | |
|---|---|---|
| Type | 3 dwellings | 28 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1955 | 1958 |
| Assessed (roll) | $753,200 | $5,456,000 |
| Since the previous roll | +6 % | +24 % |
| Welcome tax on that value | ≈ $10,413 | ≈ $171,136 |
| Lot | 252 m² | 1,071 m² |
| Floor area | 212 m² | 1,665 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 | 6 · May 2023 | 1 · Mar 2020 |
| Findings | 1 Serious 3 Note | 1 Check 5 Note |
| Nearest metro | Saint-Michel, 1.4 km | Saint-Michel, 1.2 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6570-6574 21e Avenue Full report: 6855 21e Avenue