12407 4e Avenue vs 840-850 4e Avenue
Data as of November 1, 2026 · updated every week
840-850 4e Avenue is the older building (1955); 12407 4e Avenue was built in 1976. 840-850 4e Avenue is assessed at $1,574,200, 137% more than 12407 4e Avenue ($664,100). 12407 4e Avenue has 0 building permits on record, 840-850 4e Avenue has 3. Neither is in a flood zone.
| 12407 4e Avenue | 840-850 4e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Rivière-des-Prairies-Pointe-aux-Trembles | Montréal · Rivière-des-Prairies-Pointe-aux-Trembles |
| Built | 1976 | 1955 |
| Assessed (roll) | $664,100 | $1,574,200 |
| Since the previous roll | +23 % | +10 % |
| Welcome tax on that value | ≈ $8,631 | ≈ $29,181 |
| Lot | 480 m² | 437 m² |
| Floor area | 131 m² | 96 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 0 | 3 · Apr 2013 |
| Findings | 3 Note | 1 Serious 2 Check 5 Note |
| Nearest metro | — | Viau, 1.3 km |
The full report for each address explains every finding and shows the full permit and value history.