240 51e Avenue vs 255-257 51e Avenue
Data as of October 29, 2026 · updated every week
255-257 51e Avenue is the older building (1930); 240 51e Avenue was built in 1931. They are assessed at about the same value ($604,100). 240 51e Avenue has 5 building permits on record, 255-257 51e Avenue has 0. Neither is in a flood zone.
| 240 51e Avenue | 255-257 51e Avenue | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1931 | 1930 |
| Assessed (roll) | $604,100 | $613,100 |
| Since the previous roll | +9 % | +9 % |
| Welcome tax on that value | ≈ $7,431 | ≈ $7,611 |
| Lot | 279 m² | 269 m² |
| Floor area | 124 m² | 166 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | Yes |
| In a flood zone | No | No |
| Building permits on record | 5 · Sep 2026 | 0 |
| Findings | 2 Check 3 Note | 1 Check 5 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.