3851-3855 rue Saint-Denis vs 5580 rue Saint-Denis
Data as of November 1, 2026 · updated every week
3851-3855 rue Saint-Denis is the older building (1885); 5580 rue Saint-Denis was built in 1956. 5580 rue Saint-Denis is assessed at $1,913,000, 41% more than 3851-3855 rue Saint-Denis ($1,359,000). Each has 3 building permits on record. Neither is in a flood zone.
| 3851-3855 rue Saint-Denis | 5580 rue Saint-Denis | |
|---|---|---|
| Type | House or building | 15 dwellings |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | ≈ 1885 | 1956 |
| Assessed (roll) | $1,359,000 | $1,913,000 |
| Since the previous roll | +14 % | +16 % |
| Welcome tax on that value | ≈ $23,801 | ≈ $37,651 |
| Lot | 221 m² | 181 m² |
| Floor area | 189 m² | 494 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 3 · Jan 2018 | 3 · Jul 2020 |
| Findings | 1 Serious 4 Note | 5 Note |
| Nearest metro | Sherbrooke, 420 m | Rosemont, 260 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 3851-3855 rue Saint-Denis Full report: 5580 rue Saint-Denis