12 rue Mayfair vs 20 rue Mayfair
Data as of October 25, 2026 · updated every week
20 rue Mayfair is the older building (1970); 12 rue Mayfair was built in 1977. 20 rue Mayfair is assessed at $767,300, 30% more than 12 rue Mayfair ($591,800). Neither has a building permit on record. Neither is in a flood zone.
| 12 rue Mayfair | 20 rue Mayfair | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Dollard-des-Ormeaux | Dollard-des-Ormeaux |
| Built | 1977 | 1970 |
| Assessed (roll) | $591,800 | $767,300 |
| Since the previous roll | +5 % | +5 % |
| Welcome tax on that value | ≈ $6,988 | ≈ $9,620 |
| Lot | 601 m² | 538 m² |
| Floor area | 95 m² | 198 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 | 0 | 0 |
| Findings | 1 Note | 2 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.