6421-6425 avenue Casgrain vs 6645-6647 avenue Casgrain
Data as of November 1, 2026 · updated every week
6645-6647 avenue Casgrain is the older building (1910); 6421-6425 avenue Casgrain was built in 1915. 6645-6647 avenue Casgrain is assessed at $1,486,800, 13% more than 6421-6425 avenue Casgrain ($1,314,700). 6421-6425 avenue Casgrain has 3 building permits on record, 6645-6647 avenue Casgrain has 2. Neither is in a flood zone.
| 6421-6425 avenue Casgrain | 6645-6647 avenue Casgrain | |
|---|---|---|
| Type | 3 dwellings | 2 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1915 | 1910 |
| Assessed (roll) | $1,314,700 | $1,486,800 |
| Since the previous roll | 0 % | +11 % |
| Welcome tax on that value | ≈ $22,693 | ≈ $26,996 |
| Lot | 158 m² | 180 m² |
| Floor area | 286 m² | 211 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 | 3 · Jul 2025 | 2 · May 2025 |
| Findings | 1 Serious 2 Check 3 Note | 1 Serious 2 Check 4 Note |
| Nearest metro | Beaubien, 460 m | Beaubien, 510 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6421-6425 avenue Casgrain Full report: 6645-6647 avenue Casgrain