605-607 12e Avenue vs 664-666 12e Avenue
Data as of October 25, 2026 · updated every week
605-607 12e Avenue is the older building (1930); 664-666 12e Avenue was built in 1950. 664-666 12e Avenue is assessed at $612,400, 13% more than 605-607 12e Avenue ($541,200). 605-607 12e Avenue has 1 building permits on record, 664-666 12e Avenue has 4. Neither is in a flood zone.
| 605-607 12e Avenue | 664-666 12e Avenue | |
|---|---|---|
| Type | 2 dwellings | 2 dwellings |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1930 | 1950 |
| Assessed (roll) | $541,200 | $612,400 |
| Since the previous roll | +19 % | +19 % |
| Welcome tax on that value | ≈ $6,229 | ≈ $7,597 |
| Lot | 260 m² | 209 m² |
| Floor area | 194 m² | 139 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 · Jun 2006 | 4 · Jul 2026 |
| Findings | 2 Check 4 Note | 1 Check 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 605-607 12e Avenue Full report: 664-666 12e Avenue