479-481 avenue Grosvenor vs 647 avenue Grosvenor
Data as of October 29, 2026 · updated every week
479-481 avenue Grosvenor is the older building (1906); 647 avenue Grosvenor was built in 1909. 647 avenue Grosvenor is assessed at $3,243,700, 129% more than 479-481 avenue Grosvenor ($1,419,300). Neither has a building permit on record. Neither is in a flood zone.
| 479-481 avenue Grosvenor | 647 avenue Grosvenor | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1906 | 1909 |
| Assessed (roll) | $1,419,300 | $3,243,700 |
| Since the previous roll | 0 % | +19 % |
| Welcome tax on that value | ≈ $19,400 | ≈ $46,766 |
| Lot | 258 m² | 516 m² |
| Floor area | 292 m² | 307 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, 780 m | Villa-Maria, 800 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 479-481 avenue Grosvenor Full report: 647 avenue Grosvenor