Blainville or Châteauguay: comparison for buyers
Choose two or three cities from my guides. The figures come from the same sources as the guides.
Median prices
| Blainville | Châteauguay |
|---|
| Single-family home |
$835,000148 sales · +11% year over year
|
$540,00092 sales · +2% year over year
|
|---|
| Condo |
last 4 quarters$432,425159 sales · +1% year over year
|
last 4 quarters$383,45063 sales · +5% year over year
|
|---|
| Plex (2 to 5 units) |
last 4 quarters$821,56244 sales · +10% year over year
|
—No published median
|
|---|
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).
Blainville: City of Blainville. For condos and plexes, Centris does not publish a quarterly price due to too few transactions: the figures cover the last four quarters. (Centris – Blainville statistics)
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)
At a glance
Blainville
- Population (2021 census)
- 59,819 residents (+5.2% since 2016)
- Occupied private dwellings (2021)
- 22,424
- Average home value (2026 budget)
- $710,200
Châteauguay
- Population (2021 census)
- 50,815 residents (+6.1% since 2016)
- Occupied private dwellings (2021)
- 19,917
- Average home value (2026 budget)
- $495,043
Transit
BlainvilleBlainville station is on the exo 12 Saint-Jérôme line; according to exo, the trip to Lucien-L’Allier station, downtown, takes about 1 h 15 min. On weekends, trains end at De la Concorde station in Laval (connection to the metro). exo buses serve the station and neighbourhoods. Highway 15, Route 117 and Highway 640 cross the city.
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.
Education
BlainvilleCentre de services scolaire des Mille-Îles (including the Henri-Dunant and Lucille-Teasdale secondary schools) and Sir Wilfrid Laurier School Board for English-language education. Nearest cégep: Collège Lionel-Groulx, in Sainte-Thérèse.
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.
Health
BlainvilleHôpital de Saint-Eustache, which serves the MRC de Thérèse-De Blainville.
ChâteauguayHôpital Anna-Laberge, on boulevard Brisebois (Santé Québec – Montérégie-Ouest): emergency department open 24 hours a day, birthing centre, pediatrics, surgery and oncology.
Welcome tax
BlainvilleSince the 2026 budget, Blainville applies 1.5% from $315,000 to $750,000, then 3% on the portion above $750,000 (rates as of October 2026, for information only). For a house at the median price of $835,000, that comes to about $11,911.
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.
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