4578 avenue de Mayfair vs 4940-4942 avenue de Mayfair
Data as of November 1, 2026 · updated every week
4578 avenue de Mayfair is the older building (1929); 4940-4942 avenue de Mayfair was built in 1951. 4578 avenue de Mayfair is assessed at $1,313,000, 78% more than 4940-4942 avenue de Mayfair ($736,100). 4578 avenue de Mayfair has 4 building permits on record, 4940-4942 avenue de Mayfair has 0. Neither is in a flood zone.
| 4578 avenue de Mayfair | 4940-4942 avenue de Mayfair | |
|---|---|---|
| Type | House or building | 2 dwellings |
| City and borough | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce | Montréal · Côte-des-Neiges-Notre-Dame-de-Grâce |
| Built | 1929 | 1951 |
| Assessed (roll) | $1,313,000 | $736,100 |
| Since the previous roll | +1 % | +3 % |
| Welcome tax on that value | ≈ $22,651 | ≈ $10,071 |
| Lot | 338 m² | 406 m² |
| Floor area | 152 m² | 189 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 | 4 · Feb 2022 | 0 |
| Findings | 1 Serious 1 Check 3 Note | 1 Serious 5 Note |
| Nearest metro | Villa-Maria, 2.6 km | Villa-Maria, 2.7 km |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4578 avenue de Mayfair Full report: 4940-4942 avenue de Mayfair