10 avenue Ainslie vs 21 avenue Ainslie
Data as of October 29, 2026 · updated every week
21 avenue Ainslie is the older building (1940); 10 avenue Ainslie was built in 1979. 21 avenue Ainslie is assessed at $3,157,700, 38% more than 10 avenue Ainslie ($2,293,200). 10 avenue Ainslie has 3 building permits on record, 21 avenue Ainslie has 5. Neither is in a flood zone.
| 10 avenue Ainslie | 21 avenue Ainslie | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Outremont | Montréal · Outremont |
| Built | 1979 | 1940 |
| Assessed (roll) | $2,293,200 | $3,157,700 |
| Since the previous roll | +8 % | +8 % |
| Welcome tax on that value | ≈ $48,723 | ≈ $79,204 |
| Lot | 564 m² | 790 m² |
| Floor area | 233 m² | 264 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 | 3 · Dec 2018 | 5 · Aug 2024 |
| Findings | 3 Note | 1 Serious 1 Check 3 Note |
| Nearest metro | Édouard-Montpetit, 370 m | Édouard-Montpetit, 450 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 10 avenue Ainslie Full report: 21 avenue Ainslie