4005 rue William-Chapman vs 4020 rue William-Chapman
Data as of October 29, 2026 · updated every week
4005 rue William-Chapman is the older building (2003); 4020 rue William-Chapman was built in 2004. 4020 rue William-Chapman is assessed at $2,376,000, 3% more than 4005 rue William-Chapman ($2,304,100). 4005 rue William-Chapman has 6 building permits on record, 4020 rue William-Chapman has 2. Neither is in a flood zone.
| 4005 rue William-Chapman | 4020 rue William-Chapman | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 2003 | 2004 |
| Assessed (roll) | $2,304,100 | $2,376,000 |
| Since the previous roll | +25 % | +25 % |
| Welcome tax on that value | ≈ $49,104 | ≈ $51,621 |
| Lot | 782 m² | 648 m² |
| Floor area | 324 m² | 451 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 | 6 · Jun 2026 | 2 · Nov 2016 |
| Findings | 1 Check 2 Note | 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4005 rue William-Chapman Full report: 4020 rue William-Chapman