Châteauguay or Candiac: where to buy in the western South Shore in 2026?

Comparison · Châteauguay vs Candiac · 2026

Two cities on the 30, a $295,000 gap: here is how to decide between Châteauguay and Candiac by budget, commute and profile.

Châteauguay and Candiac are the two ends of the western South Shore on the 30, and $295,000 separate them: a $525,000 median house in Châteauguay in the second quarter of 2026 (flat year over year, +43 % in five years) in 36 days with 302 houses active (+43 %), against $820,000 in Candiac and La Prairie (+4 %, +33 %) in 39 days with 162 houses active, the South Shore's highest median. The condo too: $400,000 vs $450,000. Châteauguay sells the 1960s to 1980s bungalow, the river, Île Saint-Bernard and the Mercier bridge; Candiac sells Square Candiac and the 2010 to 2025 homes, the exo station, the 15 and the 30, and a seller's market in every range. For the price of a Candiac home, you buy a Châteauguay home and keep $295,000; the question is what those $295,000 buy in commute, age of home and resale.

The price: Châteauguay or Candiac?

Candiac is $295,000 more expensive in median ($820,000 vs $525,000) because its housing stock is recent (Square Candiac, the 2000 to 2025 sectors) and because La Prairie, in the same sector, adds its historic district and its riverfront; Châteauguay sells mostly 1960s to 1980s homes, and its recent sectors of the northwest sell in between. In five years, Châteauguay rose more (+43 % vs +33 %) because it started lower. The condo is closer: $400,000 in Châteauguay (+11 %, 47 listings) against $450,000 in Candiac-La Prairie (+12 %, 157 listings, +70 %). The full portraits are on best real estate broker in Châteauguay and living in Candiac.

Segment (QPAREB, Q2 2026)Median price1 year5 yearsDaysListings
Single-family, Châteauguay, Mercier, Léry$525,0000%43 %36 days302
Condo, Châteauguay, Mercier, Léry$400,00011 %57 %30 days47
Single-family, Candiac, La Prairie$820,0004%33 %39 days162
Condo, Candiac, La Prairie$450,00012 %48 %45 days157

Days on market and choice

Châteauguay sells in 36 days with 302 houses active (+43 %), Candiac in 39 days with 162 (+12 %). Châteauguay is a seller's market up to $790,000 and a buyer's market above (11.0 months of inventory); Candiac-La Prairie is the seller's in every range (2.3 months between $400,000 and $600,000, 3.5 months up to a million, 7.3 months above $1.2 million). For a first-time buyer under $550,000, Châteauguay offers the choice and negotiation in the high end; in Candiac, that budget buys only a condo or a townhouse. For a large home, Candiac stays a seller's market; Châteauguay negotiates above $790,000. The condo goes fast in Châteauguay (30 days) and negotiates in Candiac (45 days, 157 listings).

Châteauguay, Mercier, Léry: balance of power by price range

Price range (single-family, 12 months to Q2 2026)Months of inventoryMarket
< 260K3.8 monthsSeller
260K - 390K2.5 monthsSeller
390K - 660K3.0 monthsSeller
660K - 790K5.8 monthsSeller
>= 790K11.0 monthsBuyer

Candiac, La Prairie: balance of power by price range

Price range (single-family, 12 months to Q2 2026)Months of inventoryMarket
< 400K4.5 monthsSeller
400K - 600K2.3 monthsSeller
600K - 1 000K3.5 monthsSeller
1 000K - 1 200K4.8 monthsSeller
>= 1 200K7.3 monthsSeller

The living environment

Châteauguay has the Mercier bridge to LaSalle, the 30 toward Candiac and the 15, the 132 and the 138, the Châteauguay river, Lac Saint-Louis, Île Saint-Bernard, old Châteauguay, the shops of boulevard Saint-Jean-Baptiste and exo buses to Angrignon; it is a bilingual city lived by car. Candiac has the exo Candiac station (terminus of the Candiac line to Lucien-L'Allier), the 15 toward the Champlain bridge and the 30, Square Candiac and its shops, Parc André-J.-Côté, and La Prairie next door with its historic district and the river; it is a more francophone city lived by car, with the train as the option. Both are one bridge from Montreal's Sud-Ouest, via Mercier or via Champlain.

The verdict by profile

The full guides: living in Châteauguay and living in Candiac; the monthly picture is on the South Shore's August 2026 report and the prices of every city on home prices by city on the South Shore

Frequently asked questions

Châteauguay or Candiac: which is cheaper?

Châteauguay, by $295,000 on the median house ($525,000 vs $820,000 in Candiac-La Prairie in the second quarter of 2026) and $50,000 on the condo.

Which has the train?

Candiac, terminus of the exo Candiac line; Châteauguay has exo buses to the Angrignon terminus.

Which rose the most?

Châteauguay, +43 % in five years against +33 % in Candiac-La Prairie.

Also available in French: version française de ce guide.

Published September 7, 2026 by the Loaa & Manseur team, the number 1 team at RE/MAX Platine in 2024 and 2025, 6th RE/MAX team in Quebec, 15th in Canada and in the global top 50 according to the official RE/MAX ranking. Tell us about your project.

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