426-428 avenue Grosvenor vs 566 avenue Grosvenor
Data as of October 29, 2026 · updated every week
426-428 avenue Grosvenor is the older building (1908); 566 avenue Grosvenor was built in 1948. 566 avenue Grosvenor is assessed at $3,075,300, 70% more than 426-428 avenue Grosvenor ($1,807,300). Neither has a building permit on record. Neither is in a flood zone.
| 426-428 avenue Grosvenor | 566 avenue Grosvenor | |
|---|---|---|
| Type | 3 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1908 | 1948 |
| Assessed (roll) | $1,807,300 | $3,075,300 |
| Since the previous roll | 0 % | 0 % |
| Welcome tax on that value | ≈ $25,220 | ≈ $44,240 |
| Lot | 258 m² | 617 m² |
| Floor area | 303 m² | 328 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 | 2 Note |
| Nearest metro | Vendôme, 670 m | Villa-Maria, 930 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 426-428 avenue Grosvenor Full report: 566 avenue Grosvenor