466 avenue Mountain vs 505 avenue Mountain
Data as of October 29, 2026 · updated every week
466 avenue Mountain is the older building (1922); 505 avenue Mountain was built in 2000. 505 avenue Mountain is assessed at $5,553,600, 103% more than 466 avenue Mountain ($2,735,200). Neither has a building permit on record. Neither is in a flood zone.
| 466 avenue Mountain | 505 avenue Mountain | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1922 | 2000 |
| Assessed (roll) | $2,735,200 | $5,553,600 |
| Since the previous roll | +8 % | +11 % |
| Welcome tax on that value | ≈ $39,139 | ≈ $81,415 |
| Lot | 352 m² | 962 m² |
| Floor area | 268 m² | 424 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 | Atwater, 840 m | Atwater, 980 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 466 avenue Mountain Full report: 505 avenue Mountain