Rosemère is a thin, expensive and illiquid market. Those three characteristics go together, and they completely change how you buy or sell here.
Rosemère by the numbers
| Single-family | Sales | Median price | Average days on market |
|---|---|---|---|
| Q3 2026 | 26 | not published | not published |
| Last 4 quarters | 141 (-17%) | $877,722 (+10%) | 40 |
Source: Centris real estate statistics for Rosemère, third quarter of 2026 and the cumulative last four quarters. Centris does not publish a statistic when there are too few transactions for it to be reliable, which is the case for Rosemère over a single quarter.
That is the measure of this market: 141 house sales in a year, 17% fewer than the year before. With so few transactions, a single sale moves the median. A serious evaluation is therefore done sale by sale and street by street, not on an average.
Rosemère is compared with the six other towns of the MRC de Thérèse-De Blainville in the Rosemère real estate market in the third quarter of 2026: sales, four-quarter median prices and active listings, as published by Centris.
Structurally limited supply
The city chose to preserve its large lots and tree cover rather than densify. The result: little new construction, few available lots, and housing stock made up mostly of single-family homes on lots you no longer find at this distance from Montreal.
That scarcity supports prices, but it has a flip side: transaction volume is low. In some sectors, a handful of properties sell in a year.
Why online estimates fail here
An algorithm needs comparables. In Rosemère they are scarce and often unsuitable: two properties of the same floor area can have completely different lots, orientations and condition.
In practice, I widen the analysis to neighbouring cities when necessary, then adjust for the market difference. It is manual work, but it is the only way to reach a defensible price.
What to check here
Shoreline buffers and flood zones for properties near the Rivière des Mille Îles.
The condition of mature trees, which are a real asset but also a maintenance cost and sometimes a risk to the foundation or roof.
Septic systems and wells, for unconnected properties.
Selling in Rosemère
The clientele is narrow, so the marketing has to be precise: professional photography, showcasing the lot, and a price that reflects real comparables rather than aspiration.
The comparative analysis is prepared at no charge and tell you frankly what needs correcting before listing.
For a buyer, the closing costs calculator will show you what to plan for beyond the down payment.
