20 51e Avenue vs 275 51e Avenue
Data as of October 29, 2026 · updated every week
275 51e Avenue is the older building (1930); 20 51e Avenue was built in 2002. 20 51e Avenue is assessed at $1,638,300, 101% more than 275 51e Avenue ($816,200). 20 51e Avenue has 1 building permits on record, 275 51e Avenue has 6. Neither is in a flood zone.
| 20 51e Avenue | 275 51e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 2002 | 1930 |
| Assessed (roll) | $1,638,300 | $816,200 |
| Since the previous roll | +9 % | +9 % |
| Welcome tax on that value | ≈ $30,783 | ≈ $11,673 |
| Lot | 763 m² | 363 m² |
| Floor area | 369 m² | 154 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | No | Yes |
| In a flood zone | No | No |
| Building permits on record | 1 · Aug 2001 | 6 · Mar 2019 |
| Findings | 5 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.