438-440 avenue Grosvenor vs 511 avenue Grosvenor
Data as of October 29, 2026 · updated every week
438-440 avenue Grosvenor is the older building (1898); 511 avenue Grosvenor was built in 1960. 511 avenue Grosvenor is assessed at $2,047,400, 42% more than 438-440 avenue Grosvenor ($1,437,200). Neither has a building permit on record. Neither is in a flood zone.
| 438-440 avenue Grosvenor | 511 avenue Grosvenor | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1898 | 1960 |
| Assessed (roll) | $1,437,200 | $2,047,400 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $19,669 | ≈ $28,822 |
| Lot | 248 m² | 382 m² |
| Floor area | 315 m² | 164 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, 680 m | Vendôme, 830 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 438-440 avenue Grosvenor Full report: 511 avenue Grosvenor