446 avenue Grosvenor vs 457 avenue Grosvenor
Data as of October 29, 2026 · updated every week
446 avenue Grosvenor is the older building (1898); 457 avenue Grosvenor was built in 1905. 446 avenue Grosvenor is assessed at $1,362,000, 48% more than 457 avenue Grosvenor ($919,000). Neither has a building permit on record. Neither is in a flood zone.
| 446 avenue Grosvenor | 457 avenue Grosvenor | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Westmount | Westmount |
| Built | ≈ 1898 | 1905 |
| Assessed (roll) | $1,362,000 | $919,000 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $18,541 | ≈ $11,896 |
| Lot | — | — |
| Floor area | 161 m² | 108 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 | 2 Note | 2 Note |
| Nearest metro | Vendôme, 690 m | Vendôme, 750 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 446 avenue Grosvenor Full report: 457 avenue Grosvenor