3421-3425 avenue Laval vs 4105-4109 avenue Laval
Data as of November 1, 2026 · updated every week
4105-4109 avenue Laval is the older building (1885); 3421-3425 avenue Laval was built in 1905. 3421-3425 avenue Laval is assessed at $1,838,400, 71% more than 4105-4109 avenue Laval ($1,075,000). 3421-3425 avenue Laval has 2 building permits on record, 4105-4109 avenue Laval has 4. Neither is in a flood zone.
| 3421-3425 avenue Laval | 4105-4109 avenue Laval | |
|---|---|---|
| Type | 3 dwellings | 3 dwellings |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | 1905 | ≈ 1885 |
| Assessed (roll) | $1,838,400 | $1,075,000 |
| Since the previous roll | +14 % | +4 % |
| Welcome tax on that value | ≈ $35,786 | ≈ $16,849 |
| Lot | 244 m² | 139 m² |
| Floor area | 452 m² | 278 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 · Oct 2019 | 4 · Jun 2011 |
| Findings | 1 Serious 1 Check 4 Note | 1 Check 4 Note |
| Nearest metro | Sherbrooke, 310 m | Mont-Royal, 640 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3421-3425 avenue Laval Full report: 4105-4109 avenue Laval