Toronto Regional Real Estate Board

Toronto Regional Real Estate Board published a composite benchmark price of $1,052,500 for Markham in September 2026, down 6.0% year over year.

Across the 33 months on record — January 2024 to September 2026 — the benchmark for Markham fell 19.1%, from $1,300,600 to $1,052,500.

The high over that window was $1,391,300 in March 2024; the benchmark now sits 24.4% below it.

Toronto Regional Real Estate Board reported 245 sales in Markham in September 2026.

Across the 33 months on record, monthly sales in Markham ran from a high of 360 in June 2026 to a low of 153 in December 2024. Added together, those months come to 8,071 sales, an average of 245 a month.

In Markham, the last three months (July 2026 to September 2026) averaged 272 sales a month against 255 in the same three months a year earlier, an increase of 6.5%.

Months of supply in Markham stood at 4.6 in September 2026.

A year earlier, in September 2025, it stood at 4.8 months, so supply has tightened by 0.2 months.

These are figures published by Toronto Regional Real Estate Board for Markham. The comparisons above — the change over the window, the distance from the high, the sales total and monthly average, the three-month comparison and the change in months of supply — are arithmetic compiled by this publication from 33 monthly releases, January 2024 through September 2026.

Toronto Regional Real Estate Board prints months of inventory only as a 12-month moving average. The figure here is this publication's single-month calculation, active listings divided by that month's sales from Toronto Regional Real Estate Board's published counts, and is not the board's trend figure.