8122-8124 rue Mongeau vs 8251 rue Mongeau
Data as of October 29, 2026 · updated every week
8251 rue Mongeau is the older building (1979); 8122-8124 rue Mongeau was built in 1980. 8122-8124 rue Mongeau is assessed at $1,001,700, 26% more than 8251 rue Mongeau ($792,900). 8122-8124 rue Mongeau has 4 building permits on record, 8251 rue Mongeau has 0. Neither is in a flood zone.
| 8122-8124 rue Mongeau | 8251 rue Mongeau | |
|---|---|---|
| Type | 3 dwellings | 2 dwellings |
| City and borough | Montréal · LaSalle | Montréal · LaSalle |
| Built | 1980 | 1979 |
| Assessed (roll) | $1,001,700 | $792,900 |
| Since the previous roll | +9 % | +14 % |
| Welcome tax on that value | ≈ $15,383 | ≈ $11,207 |
| Lot | 292 m² | 305 m² |
| Floor area | 245 m² | 117 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 | 4 · May 2025 | 0 |
| Findings | 1 Check 3 Note | 4 Note |
| Nearest metro | Angrignon, 2.7 km | Angrignon, 2.8 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 8122-8124 rue Mongeau Full report: 8251 rue Mongeau