835 000 $
House in Blainville (+11%)
710 000 $
House in Sainte-Thérèse (+15%)
877 722 $
House in Rosemère, 12 months (+10%)
773 937 $
House in Lorraine, 12 months (stable)
The 4 cities in Q3 2026
| City | Median single-family price | Change over one year | House sales | Average selling time |
|---|---|---|---|---|
| Blainville | 835 000 $ | +11 % | 148 (+8 %) | 34 j |
| Sainte-Thérèse | 710 000 $ | +15 % | 35 (+16 %) | 28 j |
| Rosemère (last 12 months) | 877 722 $ | +10 % | 141 (−17 %) | 40 j |
| Lorraine (last 12 months) | 773 937 $ | 0 % | 106 (−18 %) | 43 j |
Rosemère and Lorraine: 26 and 21 house sales this summer, too few for Centris to publish a quarterly median. The figures for these two cities cover the last 12 months.
What the summer numbers say
Prices are rising in the two largest cities. +11% in Blainville and +15% in Sainte-Thérèse for single-family homes, compared with summer 2025.
Supply is rising too. Blainville has 174 houses for sale (+10%) and Sainte-Thérèse 33 (+83%). Buyers have more choice than a year ago.
Each city has its own pace. 28 days on average to sell a house in Sainte-Thérèse, 34 in Blainville, 40 in Rosemère and 43 in Lorraine. There is no such thing as an average city: each area has its own dynamics.
Thinking of selling? City numbers show a trend. The value of your house is measured with the sales on your street and in your area. Request my free valuation →
To go further
Reading updated every quarter. Next revision when Q4 2026 data is released, expected around mid-January. Source: APCIQ via Centris®, collected on November 3, 2026.