20 avenue Rosemount vs 27 avenue Rosemount
Data as of October 29, 2026 · updated every week
27 avenue Rosemount is the older building (1890); 20 avenue Rosemount was built in 1965. 27 avenue Rosemount is assessed at $5,989,300, 80% more than 20 avenue Rosemount ($3,330,000). Neither has a building permit on record. Neither is in a flood zone.
| 20 avenue Rosemount | 27 avenue Rosemount | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1965 | ≈ 1890 |
| Assessed (roll) | $3,330,000 | $5,989,300 |
| Since the previous roll | +11 % | +11 % |
| Welcome tax on that value | ≈ $48,061 | ≈ $87,950 |
| Lot | 478 m² | 935 m² |
| Floor area | 350 m² | 494 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | No |
| Building permits on record | 0 | 0 |
| Findings | 1 Note | 1 Note |
| Nearest metro | Atwater, 670 m | Atwater, 650 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 20 avenue Rosemount Full report: 27 avenue Rosemount