471-473 avenue Grosvenor vs 660 avenue Grosvenor
Data as of October 29, 2026 · updated every week
471-473 avenue Grosvenor is the older building (1905); 660 avenue Grosvenor was built in 1912. 660 avenue Grosvenor is assessed at $2,253,100, 39% more than 471-473 avenue Grosvenor ($1,624,900). Neither has a building permit on record. Neither is in a flood zone.
| 471-473 avenue Grosvenor | 660 avenue Grosvenor | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1905 | 1912 |
| Assessed (roll) | $1,624,900 | $2,253,100 |
| Since the previous roll | 0 % | +19 % |
| Welcome tax on that value | ≈ $22,484 | ≈ $31,907 |
| Lot | 258 m² | 397 m² |
| Floor area | 279 m² | 225 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, 770 m | Villa-Maria, 720 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 471-473 avenue Grosvenor Full report: 660 avenue Grosvenor