Buying · Châteauguay · QPAREB Q2 2026 figures
Three hundred and two houses for sale, the lowest median in the western South Shore and a negotiable high end: here are the budget per month, the sectors, the steps and the pitfalls for buying a house in Châteauguay in 2026.
Buying a house in Châteauguay in 2026 means buying in the cheapest city in the western South Shore, with 43 % more choice than a year ago: a $525,000 median (flat year over year), 36 days, 302 houses active, a seller's market up to $790,000 and a buyer's market above (11.0 months of inventory). The budget starts around $400,000 for a 1960s to 1970s bungalow in the centre or south (about $1,933 a month with 5 % down, household income of about $88,000), passes $525,000 for a renovated bungalow or a 1980s cottage ($2,531, $114,000) and reaches $800,000 for a recent home in the northwest or a waterfront, where the buyer negotiates ($3,790, $168,000). The method: pre-approval, sector chosen on closed sales, an offer in the first two weeks under $660,000, a documented negotiation above $790,000. Here are the budget, the sectors, the steps and the pitfalls.
Châteauguay (QPAREB sector 39: Châteauguay, Mercier, Léry) sold its median house for $525,000 in the second quarter of 2026, flat year over year and +43 % in five years, in 36 days, with 302 houses active (+43 %). The market is the seller's up to $790,000 (2.5 months of inventory between $260,000 and $390,000, 3.0 months up to $660,000, 5.8 months up to $790,000) and the buyer's above (11.0 months). For a buyer, that means a quick offer under $660,000 and a negotiation above $790,000. The monthly picture is on the South Shore's August 2026 report.
| Sector (QPAREB, Q2 2026) | House, median | 1 year | 5 years | Days | Houses active |
|---|---|---|---|---|---|
| Châteauguay, Mercier, Léry | $525,000 | 0% | 43 % | 36 days | 302 |
| Saint-Constant, Delson, Sainte-Catherine (neighbours) | $620,000 | 5% | 42 % | 38 days | 208 |
| Candiac, La Prairie | $820,000 | 4% | 33 % | 39 days | 162 |
| South Shore, all | $648,500 | 2% | 39 % | 30 days | 1 |
| Range | Months of inventory | Market |
|---|---|---|
| < 260K | 3.8 months | Seller |
| 260K - 390K | 2.5 months | Seller |
| 390K - 660K | 3.0 months | Seller |
| 660K - 790K | 5.8 months | Seller |
| >= 790K | 11.0 months | Buyer |
Under 4 months of inventory, the seller leads and a fairly priced house goes in three weeks; above 8 months, the buyer leads and the delay is counted in months.
| Purchase price | Minimum down payment | Monthly payment at 4.24 %, 30 years (CMHC premium included) | Gross household income required (approx.) |
|---|---|---|---|
| $400,000 | $20,000 | $1,933 | $88,000 |
| $450,000 | $22,500 | $2,175 | $98,000 |
| $525,000 | $27,500 | $2,531 | $114,000 |
| $650,000 | $40,000 | $3,103 | $139,000 |
| $800,000 | $55,000 | $3,790 | $168,000 |
Assumptions: 4.24 % five-year fixed rate, stress test at 6.24 %, 5 % down up to $500,000 and 10 % on the portion above, CMHC premium added to the loan, municipal and school taxes at 0.9 % of the price, $1,800 a year in heating, 39 % gross debt service ratio. Your file may give a different result.
The centre and the south, around boulevard Saint-Jean-Baptiste, old Châteauguay and the 132, sell the 1960s to 1980s bungalows and cottages below the median: the entry budget, to refresh, near the shops and the exo buses to Angrignon. The northwest, toward the 30 and Mercier, sells the 1990s to 2020 cottages at or above the median, with the garage. The Châteauguay river, Lac Saint-Louis and the streets near Île Saint-Bernard sell the waterfront above $790,000, where the buyer leads. Mercier and Léry, in the same sector, sell on larger lots. Our guide living in Châteauguay details each sector.
The flood zone along the Châteauguay river and the lake: the municipal map and the certificate of location before the offer, because insurance and financing depend on it. The 1960s bungalows: roof, windows, electrical panel, drain and sometimes a buried oil tank to inspect and price. Pyrite in the 1970s to 1990s backfill. The Mercier bridge in the time budget, to test at rush hour before buying. And the choice: with 302 houses, compare, but under $660,000 do not wait for the sixth.
Before making an offer in Châteauguay, our figures drawn from actual sales:
All four pages are built on listings sold over the last twelve months, not on regional averages. They exist to put a number on an offer rather than guess at one.
Before you sign: Certificate of location in Châteauguay: cost, timing and when to redo it
Bungalow or two-storey home in Châteauguay:
Single-storey homes make up 70% of sales in Châteauguay over ten years; our page gives both price series, the second-floor premium and who the bungalow is for.
What one more bedroom costs in Châteauguay:
Three price series (3, 4, 5 or more bedrooms) over ten years, the fourth- and fifth-bedroom premiums, and the size that rose the most in Châteauguay.
What one more bedroom costs in a condo in Châteauguay:
The median price of 1-, 2- and 3-plus-bedroom condos over ten years, the second- and third-bedroom premiums, and the size that rose the most in Châteauguay.
Days on market in Châteauguay, ten years of perspective:
Median days for a house and a condo by year since 2016, the decade's four markets and what today's delay changes when selling in Châteauguay.
The number of sales in Châteauguay, ten years of perspective:
Houses, condos and plexes sold per year since 2016, the record year, the high-rate trough and what today's volume changes when selling in Châteauguay.
Plex prices in Châteauguay, ten years of perspective:
The median price of a plex per year since 2016, next to houses and condos, the frenzy, the rate brake and what the plex-to-house ratio tells a buyer in Châteauguay.
How many homes are for sale in Châteauguay, ten years of perspective:
Month-end inventory and new listings per year since 2016, the frenzy trough, absorption, months of inventory and why prices doubled in Châteauguay.
Sale price relative to asking price in Châteauguay, ten years of perspective:
At what percentage of asking houses have sold since 2016, the 2021 bidding wars, the return of negotiation and what the gap is worth in dollars in Châteauguay.
Houses that do not sell in Châteauguay, ten years of perspective:
Listings expired without a sale per year since 2016, the failure rate against sales, average days next to median days and what today's rate tells a seller in Châteauguay.
The average house price in Châteauguay, ten years of perspective:
The average sale price per year since 2016, next to the median and the asking price, why the average is higher and which of the three prices to use to set yours in Châteauguay.
How many dollars of houses sell in Châteauguay, ten years of perspective:
The total sale prices per year since 2016, next to the number of sales and the average price: whether the rise comes from price or from the number of buyers in Châteauguay.
House appreciation in Châteauguay by year of purchase:
What a house bought in 2016, 2019, 2021 or 2024 is worth today at the median price, in dollars, in percent and per year, house and condo, and what is left for those who bought at the peak in Châteauguay.
From condo to house in Châteauguay, the gap to close:
The median price of the house and the condo year by year since 2016, the gap between them, and whether the gain on a condo bought in 2016, 2019, 2021 or 2023 covers the jump in Châteauguay.
The Châteauguay market in one table:
Price, growth, sales, volume, days on market, inventory, over-asking, unsold, condo and appreciation, each with the city's rank among 50 and ten years of detail in Châteauguay.
How much down payment to buy in Châteauguay:
The legal minimum on the median house, the 20% that avoids the CMHC premium, the premium at the minimum, what a FHSA and an HBP cover, the condo, and ten years of perspective in Châteauguay.
How many condos are for sale in Châteauguay, ten years of perspective:
Condominium inventory at each month-end and new listings per year since 2016, absorption, months of inventory, and the comparison with single-family houses in Châteauguay.
The Loaa & Manseur team, led by Lotfi Manseur and Loaa Al Daow, is 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 of large residential teams according to the official RE/MAX ranking, computed on actual transactions. Its Google profile counts 221 reviews with a 4.9 rating. Its offices are at 55 avenue de l'Équinoxe in Brossard, one bridge from the island, and every broker's licence can be checked in the OACIQ public register. Three things to verify yourself before calling us, and to demand of any other broker.
For the budget, first-time home buyer in Châteauguay; for prices, house prices in Châteauguay; to compare, Châteauguay vs Candiac and Châteauguay vs Vaudreuil-Dorion.
About $88,000 in gross household income for a $400,000 house with 5 % down, $114,000 for $525,000 and $168,000 for $800,000, with a 30-year amortization and the stress test at 6.24 %.
Under $660,000, sometimes: 3.0 months of inventory and 36 days on market bring multiple offers on the fairly priced house, but 302 houses active give the choice. Above $790,000, no: the buyer leads and an offer below asking is discussed. The ceiling is set on the street's closed sales.
Published forecasts (Desjardins, QPAREB, CMHC) expect stable to moderately rising prices in 2027 and a policy rate around 2.75 %; waiting does not lower the price. The right time is when your budget, your pre-approval and your sector are ready; in a seller's market, the ready buyer beats the buyer who waits.
Generally nothing: the buyer's broker's compensation is provided for in the seller's brokerage contract and paid at the sale. The purchase brokerage contract states what happens if the seller provides none; we explain it before signing. See our fees (in French).
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.
Équipe no 1 de RE/MAX Platine en 2024 et en 2025, 6e au Québec, 15e au Canada et dans le top 50 mondial au classement officiel RE/MAX. Réponse en moins de 24 heures, sept jours sur sept.