6145-6147 21e Avenue vs 6605-6609 21e Avenue
Data as of November 1, 2026 · updated every week
6605-6609 21e Avenue is the older building (1954); 6145-6147 21e Avenue was built in 1959. 6145-6147 21e Avenue is assessed at $924,000, 6% more than 6605-6609 21e Avenue ($870,000). 6145-6147 21e Avenue has 4 building permits on record, 6605-6609 21e Avenue has 2. Neither is in a flood zone.
| 6145-6147 21e Avenue | 6605-6609 21e Avenue | |
|---|---|---|
| Type | 2 dwellings | 4 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1959 | 1954 |
| Assessed (roll) | $924,000 | $870,000 |
| Since the previous roll | +10 % | +6 % |
| Welcome tax on that value | ≈ $13,829 | ≈ $12,749 |
| Lot | 225 m² | 352 m² |
| Floor area | 204 m² | 245 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 | 4 · May 2023 | 2 · Aug 2013 |
| Findings | 5 Note | 1 Serious 4 Note |
| Nearest metro | Saint-Michel, 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: 6145-6147 21e Avenue Full report: 6605-6609 21e Avenue