6639-6643 27e Avenue vs 6670 27e Avenue
Data as of November 1, 2026 · updated every week
6670 27e Avenue is the older building (1923); 6639-6643 27e Avenue was built in 1957. 6639-6643 27e Avenue is assessed at $707,700, 47% more than 6670 27e Avenue ($482,600). 6639-6643 27e Avenue has 3 building permits on record, 6670 27e Avenue has 4. Neither is in a flood zone.
| 6639-6643 27e Avenue | 6670 27e Avenue | |
|---|---|---|
| Type | 3 dwellings | House or building |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1957 | 1923 |
| Assessed (roll) | $707,700 | $482,600 |
| Since the previous roll | +8 % | +28 % |
| Welcome tax on that value | ≈ $9,503 | ≈ $5,350 |
| Lot | 191 m² | 192 m² |
| Floor area | 201 m² | 72 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 · Dec 2025 | 4 · Sep 2026 |
| Findings | 1 Serious 1 Check 3 Note | 1 Serious 2 Check 2 Note |
| Nearest metro | Saint-Michel, 1.8 km | Saint-Michel, 1.7 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6639-6643 27e Avenue Full report: 6670 27e Avenue