6579 21e Avenue vs 6900 21e Avenue
Data as of November 1, 2026 · updated every week
6900 21e Avenue is the older building (1954); 6579 21e Avenue was built in 1957. 6900 21e Avenue is assessed at $1,088,400, 8% more than 6579 21e Avenue ($1,004,800). 6579 21e Avenue has 2 building permits on record, 6900 21e Avenue has 1. Neither is in a flood zone.
| 6579 21e Avenue | 6900 21e Avenue | |
|---|---|---|
| Type | 4 dwellings | 4 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1957 | 1954 |
| Assessed (roll) | $1,004,800 | $1,088,400 |
| Since the previous roll | +6 % | +6 % |
| Welcome tax on that value | ≈ $15,445 | ≈ $17,117 |
| Lot | 351 m² | 373 m² |
| Floor area | 272 m² | 266 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 | 2 · Aug 2013 | 1 · Jul 2020 |
| Findings | 1 Serious 4 Note | 1 Serious 5 Note |
| Nearest metro | Saint-Michel, 1.5 km | Saint-Michel, 1.1 km |
The full report for each address explains every finding and shows the full permit and value history.