647-651 rue Notre-Dame Ouest vs 7-9 rue Notre-Dame Ouest
Data as of November 1, 2026 · updated every week
7-9 rue Notre-Dame Ouest is the older building (1870); 647-651 rue Notre-Dame Ouest was built in 1875. 647-651 rue Notre-Dame Ouest is assessed at $5,850,000, 186% more than 7-9 rue Notre-Dame Ouest ($2,048,600). 647-651 rue Notre-Dame Ouest has 12 building permits on record, 7-9 rue Notre-Dame Ouest has 2. Neither is in a flood zone.
| 647-651 rue Notre-Dame Ouest | 7-9 rue Notre-Dame Ouest | |
|---|---|---|
| Type | House or building | 3 dwellings |
| City and borough | Montréal · Ville-Marie | Montréal · Ville-Marie |
| Built | ≈ 1875 | ≈ 1870 |
| Assessed (roll) | $5,850,000 | $2,048,600 |
| Since the previous roll | −6 % | +10 % |
| Welcome tax on that value | ≈ $186,896 | ≈ $41,041 |
| Lot | 986 m² | 224 m² |
| Floor area | 4,210 m² | 803 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 | 12 · May 2025 | 2 · Aug 2005 |
| Findings | 1 Serious 2 Check 6 Note | 1 Serious 2 Check 5 Note |
| Nearest metro | Square Victoria-Oaci, 270 m | Place d'Armes, 270 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 647-651 rue Notre-Dame Ouest Full report: 7-9 rue Notre-Dame Ouest