643 avenue Grosvenor vs 685 avenue Grosvenor
Data as of October 29, 2026 · updated every week
643 avenue Grosvenor is the older building (1909); 685 avenue Grosvenor was built in 1927. 643 avenue Grosvenor is assessed at $2,299,100, 6% more than 685 avenue Grosvenor ($2,161,700). Neither has a building permit on record. Neither is in a flood zone.
| 643 avenue Grosvenor | 685 avenue Grosvenor | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1909 | 1927 |
| Assessed (roll) | $2,299,100 | $2,161,700 |
| Since the previous roll | +19 % | +2 % |
| Welcome tax on that value | ≈ $32,597 | ≈ $30,536 |
| Lot | 443 m² | 343 m² |
| Floor area | 282 m² | 261 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 | Villa-Maria, 810 m | Villa-Maria, 760 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 643 avenue Grosvenor Full report: 685 avenue Grosvenor