6439 3e Avenue vs 6509-6511 3e Avenue
Data as of November 1, 2026 · updated every week
6439 3e Avenue is the older building (1910); 6509-6511 3e Avenue was built in 1963. 6439 3e Avenue is assessed at $1,330,500, 18% more than 6509-6511 3e Avenue ($1,127,800). 6439 3e Avenue has 5 building permits on record, 6509-6511 3e Avenue has 2. Neither is in a flood zone.
| 6439 3e Avenue | 6509-6511 3e Avenue | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1910 | 1963 |
| Assessed (roll) | $1,330,500 | $1,127,800 |
| Since the previous roll | +7 % | +17 % |
| Welcome tax on that value | ≈ $23,088 | ≈ $18,021 |
| Lot | 244 m² | 368 m² |
| Floor area | 240 m² | 214 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 5 · Sep 2020 | 2 · Oct 2016 |
| Findings | 1 Serious 1 Check 4 Note | 1 Serious 3 Note |
| Nearest metro | Iberville, 1.1 km | Iberville, 1.0 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6439 3e Avenue Full report: 6509-6511 3e Avenue