Lachine duplex market — December 2025
Based on 5 actual sales · CourtiConnect
Median price
$665,000
Average price
$623,200
Min $445,000 · Max $740,000
Sales count
5
December 2025
Statistical confidence
90-95%
Market context: duplex in Lachine
In December 2025, Lachine's duplex market recorded 5 sales with a median price of $665,000 and an average price of $623,200. The neighbourhood's median price has declined 8.9% over the past six months, reflecting a downward market dynamic. Compared to Montréal's trailing twelve-month duplex median of $830,000, Lachine remains notably more affordable. This declining trend may benefit buyers seeking value, though sellers should be mindful of the softening market conditions. Use our real estate estimator to assess current property values in this segment.