4145 rue William-Chapman vs 4205 rue William-Chapman
Data as of October 29, 2026 · updated every week
4145 rue William-Chapman is the older building (2003); 4205 rue William-Chapman was built in 2004. 4205 rue William-Chapman is assessed at $2,302,400, 34% more than 4145 rue William-Chapman ($1,718,900). 4145 rue William-Chapman has 3 building permits on record, 4205 rue William-Chapman has 2. Neither is in a flood zone.
| 4145 rue William-Chapman | 4205 rue William-Chapman | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Saint-Laurent | Montréal · Saint-Laurent |
| Built | 2003 | 2004 |
| Assessed (roll) | $1,718,900 | $2,302,400 |
| Since the previous roll | +25 % | +25 % |
| Welcome tax on that value | ≈ $32,798 | ≈ $49,045 |
| Lot | 642 m² | 659 m² |
| Floor area | 250 m² | 430 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 · Dec 2004 | 2 · Jun 2016 |
| Findings | 3 Note | 3 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.
Full report: 4145 rue William-Chapman Full report: 4205 rue William-Chapman