323 avenue Grosvenor vs 355 avenue Grosvenor
Data as of October 29, 2026 · updated every week
323 avenue Grosvenor is the older building (1900); 355 avenue Grosvenor was built in 1905. 323 avenue Grosvenor is assessed at $3,441,600, 45% more than 355 avenue Grosvenor ($2,371,700). Neither has a building permit on record. Neither is in a flood zone.
| 323 avenue Grosvenor | 355 avenue Grosvenor | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1900 | 1905 |
| Assessed (roll) | $3,441,600 | $2,371,700 |
| Since the previous roll | +10 % | +10 % |
| Welcome tax on that value | ≈ $49,735 | ≈ $33,686 |
| Lot | 670 m² | 320 m² |
| Floor area | 287 m² | 282 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 | Vendôme, 620 m | Vendôme, 630 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 323 avenue Grosvenor Full report: 355 avenue Grosvenor