4146-4150 rue Saint-Denis vs 4523-4525 rue Saint-Denis
Data as of November 1, 2026 · updated every week
4523-4525 rue Saint-Denis is the older building (1885); 4146-4150 rue Saint-Denis was built in 1900. 4146-4150 rue Saint-Denis is assessed at $1,818,200, 115% more than 4523-4525 rue Saint-Denis ($845,900). 4146-4150 rue Saint-Denis has 7 building permits on record, 4523-4525 rue Saint-Denis has 4. Neither is in a flood zone.
| 4146-4150 rue Saint-Denis | 4523-4525 rue Saint-Denis | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Montréal · Le Plateau-Mont-Royal | Montréal · Le Plateau-Mont-Royal |
| Built | 1900 | ≈ 1885 |
| Assessed (roll) | $1,818,200 | $845,900 |
| Since the previous roll | +14 % | +13 % |
| Welcome tax on that value | ≈ $35,281 | ≈ $12,267 |
| Lot | 236 m² | 198 m² |
| Floor area | 510 m² | 200 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 | 7 · Dec 2025 | 4 · Aug 2024 |
| Findings | 2 Check 4 Note | 1 Serious 2 Check 6 Note |
| Nearest metro | Mont-Royal, 540 m | Mont-Royal, 90 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4146-4150 rue Saint-Denis Full report: 4523-4525 rue Saint-Denis