509 avenue Claremont vs 578 avenue Claremont
Data as of October 29, 2026 · updated every week
578 avenue Claremont is the older building (1913); 509 avenue Claremont was built in 1967. 509 avenue Claremont is assessed at $7,293,300, 231% more than 578 avenue Claremont ($2,200,600). Neither has a building permit on record. Neither is in a flood zone.
| 509 avenue Claremont | 578 avenue Claremont | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1967 | 1913 |
| Assessed (roll) | $7,293,300 | $2,200,600 |
| Since the previous roll | 0 % | +7 % |
| Welcome tax on that value | ≈ $107,510 | ≈ $31,120 |
| Lot | 395 m² | 497 m² |
| Floor area | 201 m² | 265 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, 680 m | Villa-Maria, 620 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 509 avenue Claremont Full report: 578 avenue Claremont