4142 avenue Laval vs 4450 avenue Laval
Data as of November 1, 2026 · updated every week
4142 avenue Laval is the older building (1885); 4450 avenue Laval was built in 1900. 4450 avenue Laval is assessed at $1,836,600, 57% more than 4142 avenue Laval ($1,171,600). 4142 avenue Laval has 1 building permits on record, 4450 avenue Laval has 3. Neither is in a flood zone.
| 4142 avenue Laval | 4450 avenue Laval | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1885 | ≈ 1900 |
| Assessed (roll) | $1,171,600 | $1,836,600 |
| Since the previous roll | +6 % | +10 % |
| Welcome tax on that value | ≈ $19,116 | ≈ $35,741 |
| Lot | 130 m² | 124 m² |
| Floor area | 156 m² | 227 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | Yes |
| In a flood zone | No | No |
| Building permits on record | 1 · Dec 2019 | 3 · Apr 2023 |
| Findings | 1 Check 4 Note | 1 Serious 1 Check 7 Note |
| Nearest metro | Mont-Royal, 610 m | Mont-Royal, 330 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4142 avenue Laval Full report: 4450 avenue Laval