661 Rue William-MacDonald

Property Details

Market analysis

This triplex in Lachine (Montréal) is offered at $929,000. The CourtiConnect algorithmic estimate, based on 12 comparable properties in the area, places its market value between $688,000 and $776,000 (median $732,000). The asking price exceeds our estimate by roughly 26.9%, a gap to review before making an offer. Range based on a broad sample of comparable sales, without accounting for the property's condition.

On the market for 27 days (listed on August 24, 2026), it suggests a slight negotiating margin, in the range of 1-2%.

On the financing side, a purchase at $929,000 implies a down payment of $46,450 (5%), for an estimated monthly payment of $4,648, or $185,800 (20%), roughly $3,797 per month, over 25 years at a reference rate of 3.69%. Also to budget for: the transfer duty, commonly called the welcome tax, of about $13,929 at this price. For this 3-unit property, the estimated gross rental yield comes to about 7% (rents estimated for indicative purposes).

In the Lachine neighbourhood, there are currently 62 properties for sale and 91 sold recently, which points to an active market.

CourtiConnect algorithmic estimate, provided for information purposes and based on available market data. It does not constitute a professional appraisal within the meaning of Quebec’s Real Estate Brokerage Act.

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