3525 rue Masson vs 3580 rue Masson
Data as of November 1, 2026 · updated every week
3525 rue Masson is the older building (1955); 3580 rue Masson was built in 1960. 3525 rue Masson is assessed at $1,231,000, 80% more than 3580 rue Masson ($682,300). 3525 rue Masson has 2 building permits on record, 3580 rue Masson has 1. Neither is in a flood zone.
| 3525 rue Masson | 3580 rue Masson | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1955 | 1960 |
| Assessed (roll) | $1,231,000 | $682,300 |
| Since the previous roll | +14 % | +14 % |
| Welcome tax on that value | ≈ $20,601 | ≈ $8,995 |
| Lot | 237 m² | 227 m² |
| Floor area | 281 m² | 400 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 | 2 · Sep 2026 | 1 · Oct 2006 |
| Findings | 1 Serious 1 Check 4 Note | 1 Serious 6 Note |
| Nearest metro | Pie-IX, 1.6 km | Pie-IX, 1.5 km |
The full report for each address explains every finding and shows the full permit and value history.