21 rue Prospect vs 71 rue Prospect
Data as of October 29, 2026 · updated every week
Both were built in 1895. 21 rue Prospect is assessed at $1,572,200, 20% more than 71 rue Prospect ($1,315,500). Neither has a building permit on record. Neither is in a flood zone.
| 21 rue Prospect | 71 rue Prospect | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Westmount | Westmount |
| Built | ≈ 1895 | ≈ 1895 |
| Assessed (roll) | $1,572,200 | $1,315,500 |
| Since the previous roll | +5 % | +5 % |
| Welcome tax on that value | ≈ $21,694 | ≈ $17,843 |
| Lot | 222 m² | 239 m² |
| Floor area | 178 m² | 173 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 | 2 Note | 1 Note |
| Nearest metro | Lionel-Groulx, 470 m | Lionel-Groulx, 470 m |
The full report for each address explains every finding and shows the full permit and value history.