450-452 avenue Grosvenor vs 489 avenue Grosvenor
Data as of October 29, 2026 · updated every week
450-452 avenue Grosvenor is the older building (1898); 489 avenue Grosvenor was built in 1911. 489 avenue Grosvenor is assessed at $2,400,000, 32% more than 450-452 avenue Grosvenor ($1,812,500). Neither has a building permit on record. Neither is in a flood zone.
| 450-452 avenue Grosvenor | 489 avenue Grosvenor | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1898 | 1911 |
| Assessed (roll) | $1,812,500 | $2,400,000 |
| Since the previous roll | 0 % | +34 % |
| Welcome tax on that value | ≈ $25,298 | ≈ $34,111 |
| Lot | 214 m² | 320 m² |
| Floor area | 349 m² | 268 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, 700 m | Vendôme, 790 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 450-452 avenue Grosvenor Full report: 489 avenue Grosvenor