Châteauguay is one of the most accessible cities on the South Shore West in 2026. Connected to Montreal via the Mercier Bridge and Highway 30, it offers an interesting compromise between price, space and metro access. The median single-family home sits around $437,000, about 22% below the Montreal median ($560,000 QPAREB March 2026) — one of the most accessible entry points within 30 minutes of Montreal. For broader context, see also our Montreal exodus real estate impact analysis.
Ready to sell your property?
Get a free market analysis from an OACIQ broker.
Talk to a broker →We only take on 5 sellers per week per area, to keep support truly personal.
💰 Châteauguay vs Montreal
$437,000
Châteauguay
$560,000
Single-family MTL
-22%
Discount vs MTL
Châteauguay applies a 0.78× ratio on the Montreal single-family median. This 22% structural discount makes it one of the most accessible destinations in the metro area for first-time buyers.
🧮 Reproducible calculation: $437,000 at 3.69%
| Purchase price | $437,000 |
| Down payment (20%) | $87,400 |
| Mortgage | $349,600 |
| 5-year fixed rate | 3.69% |
| Amortization | 25 years |
| Monthly payment (P&I) | ~ $1,790 |
💵 Total savings vs Montreal
Purchase price savings: $123,000
Down payment savings (20%): $24,600
Monthly savings vs $560K: ~ $630/month
Interest savings over 25 years: ~ $189,000
🔍 Estimation methodology
📐 Estimates based on QPAREB March 2026 data and historical sector ratios. Châteauguay ratio: 0.78× on single-family. Request a comparative analysis from a local OACIQ broker for precise valuation.
🎯 Buyer and seller strategy
✅ Buyers
First-time buyers: 22% discount opportunity
Plan Mercier Bridge traffic at rush hour
Valid pre-approval before BoC April 29
💰 Sellers
Market sustained by Montreal exodus
Highlight Highway 30 access
Spring peak: target May-June
Related Articles
Montreal Plex May 2026: Median $865,000 (+4%), Pressure Sustained
Montreal CMA plex May 2026: median price $865,000 up 4%, strong investor demand, listings +10%. Yield analysis and strategy.
National Average vs Local Market: Two Scales
CMHC forecasts a national average price of 675,200 dollars in 2026, down 0.6%. The same summer, all three median prices in the Montreal region rise. Two figures moving in opposite directions without contradicting each other, because they describe neither the same territory nor the same object.
Sainte-Julie Real Estate Market 2026: Median Prices and Trends (Montérégie)
Median house at $725,000 across 179 sales and condo at $421,000, up 10.8%: Sainte-Julie remains one of the fastest markets in the Montérégie, with a 27-day median. CourtiConnect data.
Restez informé du marché immobilier
Recevez nos analyses et conseils chaque semaine, directement dans votre boîte courriel.