331 avenue Grosvenor vs 556 avenue Grosvenor
Data as of October 29, 2026 · updated every week
331 avenue Grosvenor is the older building (1900); 556 avenue Grosvenor was built in 1927. 556 avenue Grosvenor is assessed at $1,332,000, 42% more than 331 avenue Grosvenor ($938,100). Neither has a building permit on record. Neither is in a flood zone.
| 331 avenue Grosvenor | 556 avenue Grosvenor | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Westmount | Westmount |
| Built | ≈ 1900 | 1927 |
| Assessed (roll) | $938,100 | $1,332,000 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $12,182 | ≈ $18,091 |
| Lot | — | — |
| Floor area | 123 m² | 159 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 | 2 Note |
| Nearest metro | Vendôme, 620 m | Vendôme, 860 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 331 avenue Grosvenor Full report: 556 avenue Grosvenor