3871 avenue Laval vs 4086-4088 avenue Laval
Data as of November 1, 2026 · updated every week
3871 avenue Laval is the older building (1875); 4086-4088 avenue Laval was built in 1885. 3871 avenue Laval is assessed at $1,333,900, 17% more than 4086-4088 avenue Laval ($1,142,300). 3871 avenue Laval has 1 building permits on record, 4086-4088 avenue Laval has 3. Neither is in a flood zone.
| 3871 avenue Laval | 4086-4088 avenue Laval | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1875 | ≈ 1885 |
| Assessed (roll) | $1,333,900 | $1,142,300 |
| Since the previous roll | +18 % | +6 % |
| Welcome tax on that value | ≈ $23,173 | ≈ $18,383 |
| Lot | 139 m² | 130 m² |
| Floor area | 209 m² | 121 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 · Apr 2017 | 3 · Apr 2023 |
| Findings | 1 Serious 1 Check 5 Note | 1 Check 3 Note |
| Nearest metro | Sherbrooke, 530 m | Mont-Royal, 670 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3871 avenue Laval Full report: 4086-4088 avenue Laval