5910 21e Avenue vs 6641-6645 21e Avenue
Data as of November 1, 2026 · updated every week
6641-6645 21e Avenue is the older building (1954); 5910 21e Avenue was built in 1964. 5910 21e Avenue is assessed at $3,713,800, 269% more than 6641-6645 21e Avenue ($1,007,300). 5910 21e Avenue has 0 building permits on record, 6641-6645 21e Avenue has 2. Neither is in a flood zone.
| 5910 21e Avenue | 6641-6645 21e Avenue | |
|---|---|---|
| Type | 24 dwellings | 3 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1964 | 1954 |
| Assessed (roll) | $3,713,800 | $1,007,300 |
| Since the previous roll | +24 % | +6 % |
| Welcome tax on that value | ≈ $101,448 | ≈ $15,495 |
| Lot | 481 m² | 361 m² |
| Floor area | 1,134 m² | 240 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 | 2 · Aug 2014 |
| Findings | 6 Note | 5 Note |
| Nearest metro | Pie-IX, 1.9 km | Saint-Michel, 1.4 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 5910 21e Avenue Full report: 6641-6645 21e Avenue