LaSalle is one of the most accessible on-island boroughs in southwest Montreal in 2026. Bordered by the St. Lawrence River, the area offers fast downtown access via the Mercier Bridge and Highway 15. In April 2026, the median single-family home sits around $532,000, about 5% below the Montreal median of $560,000 per QPAREB March 2026. To compare with the rest of the metro, see also our Montreal house prices 2026 analysis.
💰 LaSalle vs Montreal
$532,000
Single-family LaSalle
$560,000
Single-family MTL
$829,000
Plex LaSalle
LaSalle historically trades at a slight discount to the Montreal median (ratio 0.95×), making it an affordable on-island alternative. The LaSalle plex at $829,000 sits below the Quebec plex median of $855,000 — an interesting entry point for investors aiming to capture the QPAREB +9% appreciation.
🧮 Reproducible calculation: $532,000 at 3.69%
| Purchase price | $532,000 |
| Down payment (20%) | $106,400 |
| Mortgage | $425,600 |
| 5-year fixed rate | 3.69% |
| Amortization | 25 years |
| Monthly payment (P&I) | ~ $2,175 |
Vs a $560,000 home in Rosemont or Plateau, you save ~$115/month and $28,000 on the purchase price.
🏛️ LaSalle plex: +9% opportunity
With a median plex at $829,000 — below the Quebec plex median — LaSalle offers an interesting entry point to capture the QPAREB +9% appreciation. A duplex bought in 2025 at $760,000 now appraises around $829,000, an ~$69,000 gross gain in one year, before capital amortization.
🔍 Estimation methodology
📐 Estimates based on QPAREB March 2026 data and historical sector ratios. LaSalle ratios: 0.95× on single-family, 0.97× on plex. Request a comparative analysis from a local OACIQ broker for precise valuation.
🎯 Buyer and seller strategy
✅ Buyers
Use the 5% discount vs MTL to enter the market
Valid pre-approval before BoC April 29
Target riverfront streets for appreciation
💰 Sellers
QPAREB seller's market: list at fair median
Highlight river and Highway 15 access
Prepare home for spring peak
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