509 avenue Clarke vs 617 avenue Clarke
Data as of October 29, 2026 · updated every week
509 avenue Clarke is the older building (1912); 617 avenue Clarke was built in 1925. 617 avenue Clarke is assessed at $7,493,900, 243% more than 509 avenue Clarke ($2,187,000). Neither has a building permit on record. Neither is in a flood zone.
| 509 avenue Clarke | 617 avenue Clarke | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | 1912 | 1925 |
| Assessed (roll) | $2,187,000 | $7,493,900 |
| Since the previous roll | +8 % | +2 % |
| Welcome tax on that value | ≈ $30,916 | ≈ $110,519 |
| Lot | 346 m² | 751 m² |
| Floor area | 259 m² | 445 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, 940 m | Atwater, 1.3 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 509 avenue Clarke Full report: 617 avenue Clarke