11891 avenue du Beau-Bois vs 12321 avenue du Beau-Bois
Data as of November 1, 2026 · updated every week
11891 avenue du Beau-Bois is the older building (1987); 12321 avenue du Beau-Bois was built in 2005. 12321 avenue du Beau-Bois is assessed at $2,035,000, 36% more than 11891 avenue du Beau-Bois ($1,495,600). Each has 3 building permits on record. Neither is in a flood zone.
| 11891 avenue du Beau-Bois | 12321 avenue du Beau-Bois | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Ahuntsic-Cartierville | Montréal · Ahuntsic-Cartierville |
| Built | 1987 | 2005 |
| Assessed (roll) | $1,495,600 | $2,035,000 |
| Since the previous roll | +14 % | +14 % |
| Welcome tax on that value | ≈ $27,216 | ≈ $40,701 |
| Lot | 595 m² | 681 m² |
| Floor area | 313 m² | 405 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 3 · Nov 2023 | 3 · Sep 2025 |
| Findings | 2 Check 2 Note | 1 Check 2 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 11891 avenue du Beau-Bois Full report: 12321 avenue du Beau-Bois