1421-1429 avenue Aird vs 509-529 avenue Aird
Data as of November 1, 2026 · updated every week
1421-1429 avenue Aird is the older building (1924); 509-529 avenue Aird was built in 1987. 509-529 avenue Aird is assessed at $1,375,800, 26% more than 1421-1429 avenue Aird ($1,094,300). 1421-1429 avenue Aird has 1 building permits on record, 509-529 avenue Aird has 3. Neither is in a flood zone.
| 1421-1429 avenue Aird | 509-529 avenue Aird | |
|---|---|---|
| Type | 5 dwellings | 6 dwellings |
| City and borough | Montréal · Mercier-Hochelaga-Maisonneuve | Montréal · Mercier-Hochelaga-Maisonneuve |
| Built | 1924 | 1987 |
| Assessed (roll) | $1,094,300 | $1,375,800 |
| Since the previous roll | +2 % | +6 % |
| Welcome tax on that value | ≈ $17,235 | ≈ $24,221 |
| Lot | 303 m² | 327 m² |
| Floor area | 358 m² | 480 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 1 · Aug 2002 | 3 · Jul 2024 |
| Findings | 1 Check 3 Note | 2 Check 2 Note |
| Nearest metro | Viau, 1.4 km | Viau, 1.5 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 1421-1429 avenue Aird Full report: 509-529 avenue Aird