510-512 avenue Grosvenor vs 628 avenue Grosvenor
Data as of October 29, 2026 · updated every week
628 avenue Grosvenor is the older building (1909); 510-512 avenue Grosvenor was built in 1923. 628 avenue Grosvenor is assessed at $1,739,200, 3% more than 510-512 avenue Grosvenor ($1,682,400). Neither has a building permit on record. Neither is in a flood zone.
| 510-512 avenue Grosvenor | 628 avenue Grosvenor | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1923 | 1909 |
| Assessed (roll) | $1,682,400 | $1,739,200 |
| Since the previous roll | 0 % | +19 % |
| Welcome tax on that value | ≈ $23,347 | ≈ $24,199 |
| Lot | 384 m² | 320 m² |
| Floor area | 275 m² | 177 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 | 1 Note |
| Nearest metro | Vendôme, 780 m | Villa-Maria, 780 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 510-512 avenue Grosvenor Full report: 628 avenue Grosvenor