Thornhill Housing Market Report
This is an archived monthly report for September 2025. View the latest Thornhill market report (July 2026) →
September 2025 snapshot — all home types
In September 2025, the Thornhill housing market recorded 519 home sales — up 3.4% from August 2025. The average selling price was $1,170,381, little changed month-over-month.
On the supply side, 1,758 new listings came to market and 2,757 properties were available at month-end, roughly 4.6 months of inventory. Homes sold for an average of 97.5% of the list price and took about 34 days to sell.
Figures for Thornhill combine TRREB's underlying reporting areas (Markham, Vaughan). The average price is derived from total dollar volume and sales; TRREB does not publish a single median for the combined area.
By property type
| Home Type | Sales | Avg. Price | Median | MoM | YoY |
|---|---|---|---|---|---|
| All Home Types | 519 | $1,170,381 | — | -0.4% | — |
| Detached | 229 | $1,563,194 | — | -1.8% | — |
| Semi-Detached | 32 | $1,130,213 | — | +2.6% | — |
| Townhouse | 80 | $1,077,348 | — | -4.4% | — |
| Condo Townhouse | 28 | $853,643 | — | +4.1% | — |
| Condo Apartment | 141 | $659,288 | — | +4.9% | — |
Trend up to September 2025— average price & sales
| Month | Sales | Avg. Price | New Listings | Active |
|---|---|---|---|---|
| September 2025 | 519 | $1,170,381 | 1,758 | 2,757 |
| August 2025 | 502 | $1,175,273 | 1,309 | 2,560 |
| July 2025 | 533 | $1,251,646 | 1,660 | 2,799 |
| June 2025 | 551 | $1,253,044 | 1,732 | 2,876 |
| May 2025 | 531 | $1,302,363 | 2,004 | 2,871 |
More Thornhill monthly reports
Nearby market reports
Source: Toronto Regional Real Estate Board (TRREB) Market Watch, September 2025. Statistics are based on MLS® System sales reported by TRREB member brokerages and are provided for general information only. MLS® is a registered trademark of the Canadian Real Estate Association (CREA).