Lachine duplex market — June 2025
Based on 7 actual sales · CourtiConnect
Market context: duplex in Lachine
In June 2025, the Lachine duplex market recorded 7 sales with a median price of $730,000, representing a notable 23.3% increase from the previous month. This median price positions Lachine duplexes as considerably more affordable than comparable properties across Montréal, where the trailing 12-month median stands at $815,000. The average sale price of $720,000 aligns closely with the median, suggesting consistent valuations within the sample. With statistical confidence between 90–95%, this data indicates a strengthening seller's market in the neighbourhood. Buyers seeking duplex investments in the area should act promptly given the upward momentum, while sellers may benefit from favourable conditions. Use our real estate estimator to determine the current value of your property.