4399 avenue Old Orchard vs 4423 avenue Old Orchard
Data as of November 1, 2026 · updated every week
4399 avenue Old Orchard is the older building (1923); 4423 avenue Old Orchard was built in 1924. 4423 avenue Old Orchard is assessed at $858,600, 10% more than 4399 avenue Old Orchard ($781,100). 4399 avenue Old Orchard has 3 building permits on record, 4423 avenue Old Orchard has 4. Neither is in a flood zone.
| 4399 avenue Old Orchard | 4423 avenue Old Orchard | |
|---|---|---|
| Type | Condo building, 1 unit | Condo building, 1 unit |
| City and borough | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce |
| Built | 1923 | 1924 |
| Assessed (roll) | $781,100 | $858,600 |
| Since the previous roll | — | — |
| Welcome tax on that value | ≈ $10,971 | ≈ $12,521 |
| Lot | — | — |
| Floor area | 100 m² | 143 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 | 3 · May 2024 | 4 · Aug 2026 |
| Findings | 1 Check 3 Note | 1 Check 3 Note |
| Nearest metro | Villa-Maria, 410 m | Villa-Maria, 420 m |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4399 avenue Old Orchard Full report: 4423 avenue Old Orchard