Châteauguay or Montréal: comparison for buyers
Choose two or three cities from my guides. The figures come from the same sources as the guides.
Median prices
| Châteauguay | Montréal |
|---|
| Single-family home |
$540,00092 sales · +2% year over year
|
$812,0001,002 sales · +2% year over year
|
|---|
| Condo |
last 4 quarters$383,45063 sales · +5% year over year
|
$477,0001,728 sales · stable year over year
|
|---|
| Plex (2 to 5 units) |
—No published median
|
$902,500614 sales · +3% year over year
|
|---|
Median price = half of the properties sold for less, the other half for more. The price of a specific property varies.
Source: Centris, Q3 2026 (July to September).
Châteauguay: City of Châteauguay, Q3 2026 (July to September), change compared with the same quarter of 2025. For condos, Centris does not publish a quarterly price due to too few transactions: the figures cover the last four quarters. For plexes, the number of sales (22 over four quarters) is too low for Centris to publish a median price. (Centris – Châteauguay statistics)
Montréal: Island of Montréal. Median prices and change compared with the same quarter of 2025. (Centris – Island of Montréal statistics)
At a glance
Châteauguay
- Population (2021 census)
- 50,815 residents (+6.1% since 2016)
- Occupied private dwellings (2021)
- 19,917
- Average home value (2026 budget)
- $495,043
Montréal
- Population (2021 census)
- 1,762,949 residents
- Renter households (Island of Montréal)
- About 60%
- Boroughs
- 19
Transit
Châteauguayexo buses leave from the Châteauguay terminus for Angrignon metro station and, at rush hour, for downtown Montréal (Terminus Centre-ville). Highway 30 crosses the city. To reach Montréal, Route 138 leads to the Honoré-Mercier Bridge; an eastbound reserved lane helps avoid part of the congestion on the approach to the bridge.
MontréalThe metro has 4 lines and 68 stations. The REM serves the South Shore (since 2023), Deux-Montagnes (since November 2025) and the West Island (since May 2026); the airport branch is planned by the end of 2027. Five exo train lines connect Montréal to the suburbs (Vaudreuil–Hudson, Saint-Jérôme, Mont-Saint-Hilaire, Candiac and Mascouche).
Education
ChâteauguayCentre de services scolaire des Grandes-Seigneuries for French-language education and New Frontiers School Board for English-language education (including Howard S. Billings Regional High School, in Châteauguay). There is no cégep in Châteauguay; an exo bus line (90) serves Cégep André-Laurendeau, in LaSalle, at weekday rush hours.
MontréalMcGill University, Université de Montréal, UQAM, Concordia University, HEC Montréal, Polytechnique Montréal, ÉTS.
Health
ChâteauguayHôpital Anna-Laberge, on boulevard Brisebois (Santé Québec – Montérégie-Ouest): emergency department open 24 hours a day, birthing centre, pediatrics, surgery and oncology.
MontréalCHUM, McGill University Health Centre, CHU Sainte-Justine, Jewish General Hospital, Hôpital du Sacré-Cœur, Hôpital Maisonneuve-Rosemont.
Welcome tax
ChâteauguayChâteauguay applies an additional bracket: 0.5% up to $62,900, 1% up to $315,000, 1.5% up to $615,600, then 3% on the portion above $615,600 (rates in effect since January 1, 2026, for information only). For a house at the median price of $540,000, below this threshold, that comes to about $6,211, the same as with Québec’s base rates. The City requires payment in a single instalment, within 30 days of the bill.
MontréalMontréal applies additional brackets for properties over $1.1M, up to 4% above $3,113,000.
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