17511 boulevard Gouin Ouest vs 21777 boulevard Gouin Ouest
Data as of October 29, 2026 · updated every week
17511 boulevard Gouin Ouest is the older building (1974); 21777 boulevard Gouin Ouest was built in 1983. 21777 boulevard Gouin Ouest is assessed at $767,200, 42% more than 17511 boulevard Gouin Ouest ($541,600). 17511 boulevard Gouin Ouest has 4 building permits on record, 21777 boulevard Gouin Ouest has 1. 21777 boulevard Gouin Ouest is in a flood zone; the other is not.
| 17511 boulevard Gouin Ouest | 21777 boulevard Gouin Ouest | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Pierrefonds-Roxboro | Montréal · Pierrefonds-Roxboro |
| Built | 1974 | 1983 |
| Assessed (roll) | $541,600 | $767,200 |
| Since the previous roll | +9 % | +12 % |
| Welcome tax on that value | ≈ $6,235 | ≈ $10,693 |
| Lot | 566 m² | 1,260 m² |
| Floor area | 109 m² | 111 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | No |
| In a flood zone | No | Yes |
| Building permits on record | 4 · Jan 2026 | 1 · Jun 2017 |
| Findings | 1 Check 4 Note | 1 Serious 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 17511 boulevard Gouin Ouest Full report: 21777 boulevard Gouin Ouest