343 avenue Grosvenor vs 502 avenue Grosvenor
Data as of October 29, 2026 · updated every week
502 avenue Grosvenor is the older building (1898); 343 avenue Grosvenor was built in 1905. 502 avenue Grosvenor is assessed at $2,622,000, 46% more than 343 avenue Grosvenor ($1,798,600). Neither has a building permit on record. Neither is in a flood zone.
| 343 avenue Grosvenor | 502 avenue Grosvenor | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1905 | ≈ 1898 |
| Assessed (roll) | $1,798,600 | $2,622,000 |
| Since the previous roll | +10 % | 0 % |
| Welcome tax on that value | ≈ $25,090 | ≈ $37,441 |
| Lot | 258 m² | 340 m² |
| Floor area | 224 m² | 238 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 | 1 Note |
| Nearest metro | Vendôme, 630 m | Vendôme, 760 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 343 avenue Grosvenor Full report: 502 avenue Grosvenor