6443-6445 23e Avenue vs 6637 23e Avenue
Data as of November 1, 2026 · updated every week
6443-6445 23e Avenue is the older building (1945); 6637 23e Avenue was built in 1954. 6637 23e Avenue is assessed at $1,155,200, 59% more than 6443-6445 23e Avenue ($726,700). 6443-6445 23e Avenue has 2 building permits on record, 6637 23e Avenue has 0. Neither is in a flood zone.
| 6443-6445 23e Avenue | 6637 23e Avenue | |
|---|---|---|
| Type | 2 dwellings | 6 dwellings |
| City and borough | Montréal · Rosemont-La Petite-Patrie | Montréal · Rosemont-La Petite-Patrie |
| Built | 1945 | 1954 |
| Assessed (roll) | $726,700 | $1,155,200 |
| Since the previous roll | +11 % | +18 % |
| Welcome tax on that value | ≈ $9,883 | ≈ $18,706 |
| Lot | 191 m² | 381 m² |
| Floor area | 186 m² | 405 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 | 2 · Jun 2026 | 0 |
| Findings | 1 Serious 1 Check 2 Note | 1 Serious 3 Note |
| Nearest metro | Saint-Michel, 1.8 km | Saint-Michel, 1.5 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 6443-6445 23e Avenue Full report: 6637 23e Avenue