494 avenue Grosvenor vs 642 avenue Grosvenor
Data as of October 29, 2026 · updated every week
494 avenue Grosvenor is the older building (1898); 642 avenue Grosvenor was built in 1910. 642 avenue Grosvenor is assessed at $2,292,400, 9% more than 494 avenue Grosvenor ($2,095,600). Neither has a building permit on record. Neither is in a flood zone.
| 494 avenue Grosvenor | 642 avenue Grosvenor | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1898 | 1910 |
| Assessed (roll) | $2,095,600 | $2,292,400 |
| Since the previous roll | 0 % | +19 % |
| Welcome tax on that value | ≈ $29,545 | ≈ $32,497 |
| Lot | 403 m² | 387 m² |
| Floor area | 225 m² | 255 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, 750 m | Villa-Maria, 760 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 494 avenue Grosvenor Full report: 642 avenue Grosvenor