478-480 avenue Mountain vs 488 avenue Mountain
Data as of October 29, 2026 · updated every week
488 avenue Mountain is the older building (1913); 478-480 avenue Mountain was built in 1927. 478-480 avenue Mountain is assessed at $2,651,100, 25% more than 488 avenue Mountain ($2,114,300). Neither has a building permit on record. Neither is in a flood zone.
| 478-480 avenue Mountain | 488 avenue Mountain | |
|---|---|---|
| Type | 2 dwellings | House or building |
| City and borough | Westmount | Westmount |
| Built | 1927 | 1913 |
| Assessed (roll) | $2,651,100 | $2,114,300 |
| Since the previous roll | 0 % | +8 % |
| Welcome tax on that value | ≈ $37,877 | ≈ $29,825 |
| Lot | 394 m² | 351 m² |
| Floor area | 376 m² | 258 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, 880 m | Atwater, 890 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 478-480 avenue Mountain Full report: 488 avenue Mountain