5910 21e Avenue vs 6830 21e Avenue
Data as of November 1, 2026 · updated every week
6830 21e Avenue is the older building (1957); 5910 21e Avenue was built in 1964. 5910 21e Avenue is assessed at $3,713,800, 348% more than 6830 21e Avenue ($828,100). 5910 21e Avenue has 0 building permits on record, 6830 21e Avenue has 1. Neither is in a flood zone.
| 5910 21e Avenue | 6830 21e Avenue | |
|---|---|---|
| Type | 24 dwellings | 3 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1964 | 1957 |
| Assessed (roll) | $3,713,800 | $828,100 |
| Since the previous roll | +24 % | +6 % |
| Welcome tax on that value | ≈ $101,448 | ≈ $11,911 |
| Lot | 481 m² | 249 m² |
| Floor area | 1,134 m² | 201 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 | 0 | 1 · Jan 2018 |
| Findings | 6 Note | 1 Serious 6 Note |
| Nearest metro | Pie-IX, 1.9 km | Saint-Michel, 1.2 km |
The full report for each address explains every finding and shows the full permit and value history.