4471-4491 18e Avenue vs 6659-6663 18e Avenue
Data as of November 1, 2026 · updated every week
6659-6663 18e Avenue is the older building (1954); 4471-4491 18e Avenue was built in 1987. 4471-4491 18e Avenue is assessed at $5,978,900, 547% more than 6659-6663 18e Avenue ($923,600). 4471-4491 18e Avenue has 5 building permits on record, 6659-6663 18e Avenue has 0. Neither is in a flood zone.
| 4471-4491 18e Avenue | 6659-6663 18e Avenue | |
|---|---|---|
| Type | 24 dwellings | 3 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1987 | 1954 |
| Assessed (roll) | $5,978,900 | $923,600 |
| Since the previous roll | +24 % | +6 % |
| Welcome tax on that value | ≈ $192,052 | ≈ $13,821 |
| Lot | 2,081 m² | 343 m² |
| Floor area | 1,921 m² | 241 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 | 5 · Sep 2023 | 0 |
| Findings | 4 Note | 1 Serious 4 Note |
| Nearest metro | Pie-IX, 660 m | Saint-Michel, 1.2 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4471-4491 18e Avenue Full report: 6659-6663 18e Avenue