As of May 18, 2026, this page showed about 1 duplex listing in Thornhill, Markham.
Within that duplex snapshot, the median asking price was $4,500,000.
This public section is designed to help buyers and sellers understand the visible duplex inventory and asking-price level in Thornhill, Markham.
As of May 18, 2026, the median asking price for duplexes in Thornhill, Markham is $4,500,000.
Compared with the other neighbourhoods in Markham:
Higher-priced than Thornhill, Markham: Old Markham Village ($4,588,000, about 2% higher).
Lower-priced than Thornhill, Markham: Angus Glen ($1,849,000, about 58.9% lower), Legacy ($1,650,000, about 63.3% lower), and Cedar Grove ($899,000, about 80% lower).
A duplex home is a property designed or arranged as two separate dwelling units within one building. In some cases the units may be side-by-side and share a wall, while in other cases they may be stacked one above the other. Buyers often consider duplexes for multi-generational living, rental income potential, or the flexibility to live in one unit while renting out the other.
As of May 18, 2026, there was 1 displayed listing matching Duplexes For Sale in Thornhill, Markham on this website.
As of May 18, 2026, the median asking price for duplexes in Thornhill, Markham was $4,500,000 based on the visible listings in the latest published snapshot for this page.
Among Thornhill, Markham and the Markham neighbourhoods compared on this page, Old Markham Village currently has the highest duplex median asking price at about $4,588,000.
Among Thornhill, Markham and the Markham neighbourhoods compared on this page, Cedar Grove currently has the lowest duplex median asking price at about $899,000.
