Châteauguay's 2026 scale
| Portion of the taxable base | Rate |
|---|
| up to $62,900 | 0.5% |
| $62,900 – $315,000 | 1.0% |
| $315,000 – $615,600 | 1.5% |
| over $615,600 | 3.0% |
Worth knowingComparative factor not published.
A few examples
| Price paid | Transfer duty |
|---|
| $400,000 | $4,111 |
| $600,000 | $7,111 |
| $900,000 | $15,877 |
The taxable base is the highest of the price paid, the consideration stated in the deed, or the assessment roll value.
How it compares with Montreal
On a $600,000 purchase, Châteauguay charges $7,111 — $239 less than Montreal. The municipal rate rises above the provincial scale from $615,600 up. No other municipality in the area applies exactly these brackets.