3823 avenue Laval vs 4143-4145 avenue Laval
Data as of November 1, 2026 · updated every week
3823 avenue Laval is the older building (1875); 4143-4145 avenue Laval was built in 1885. 3823 avenue Laval is assessed at $1,479,700, 79% more than 4143-4145 avenue Laval ($824,400). Each has 2 building permits on record. Neither is in a flood zone.
| 3823 avenue Laval | 4143-4145 avenue Laval | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1875 | ≈ 1885 |
| Assessed (roll) | $1,479,700 | $824,400 |
| Since the previous roll | +18 % | +9 % |
| Welcome tax on that value | ≈ $26,818 | ≈ $11,837 |
| Lot | 139 m² | 139 m² |
| Floor area | 136 m² | 141 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 | 2 · Jun 1991 | 2 · Oct 2015 |
| Findings | 1 Serious 1 Check 5 Note | 1 Check 4 Note |
| Nearest metro | Sherbrooke, 470 m | Mont-Royal, 590 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3823 avenue Laval Full report: 4143-4145 avenue Laval