505 avenue Grosvenor vs 653 avenue Grosvenor
Data as of October 29, 2026 · updated every week
505 avenue Grosvenor is the older building (1910); 653 avenue Grosvenor was built in 1912. 653 avenue Grosvenor is assessed at $3,912,700, 35% more than 505 avenue Grosvenor ($2,906,100). Neither has a building permit on record. Neither is in a flood zone.
| 505 avenue Grosvenor | 653 avenue Grosvenor | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1910 | 1912 |
| Assessed (roll) | $2,906,100 | $3,912,700 |
| Since the previous roll | 0 % | +19 % |
| Welcome tax on that value | ≈ $41,702 | ≈ $56,801 |
| Lot | 500 m² | 387 m² |
| Floor area | 243 m² | 390 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, 810 m | Villa-Maria, 790 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 505 avenue Grosvenor Full report: 653 avenue Grosvenor