4478 avenue du Château-Pierrefonds vs 5100 avenue du Château-Pierrefonds
Data as of November 1, 2026 · updated every week
5100 avenue du Château-Pierrefonds is the older building (1974); 4478 avenue du Château-Pierrefonds was built in 1990. 5100 avenue du Château-Pierrefonds is assessed at $13,323,900, 2272% more than 4478 avenue du Château-Pierrefonds ($561,700). 4478 avenue du Château-Pierrefonds has 0 building permits on record, 5100 avenue du Château-Pierrefonds has 4. Neither is in a flood zone.
| 4478 avenue du Château-Pierrefonds | 5100 avenue du Château-Pierrefonds | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Pierrefonds-Roxboro | Montréal · Pierrefonds-Roxboro |
| Built | 1990 | 1974 |
| Assessed (roll) | $561,700 | $13,323,900 |
| Since the previous roll | +12 % | +5 % |
| Welcome tax on that value | ≈ $6,583 | ≈ $485,852 |
| Lot | 328 m² | 17,382 m² |
| Floor area | 157 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 | 4 · Nov 2023 |
| Findings | 4 Note | 1 Check 2 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4478 avenue du Château-Pierrefonds Full report: 5100 avenue du Château-Pierrefonds