23 Rue Guillerm

Property Details

Market analysis

This duplex, located in Vieux-Longueuil (Longueuil), is listed at $619,000. Based on 7 comparable listings in the same neighbourhood, our algorithmic estimate places its market value in a range of $691,000 to $827,000 (midpoint $759,000). At 18.4% below our estimate, the asking price warrants buyer attention, subject to professional verification. Range based on a moderate sample of comparable sales, without accounting for the property's condition.

A new listing (0 days, listed on September 14, 2026), it leaves little negotiating room for now.

To finance this property at $619,000, expect a down payment of $30,950 (5%) and close to $3,097 per month, or $123,800 (20%) for about $2,530 monthly (25-year amortization, rate 3.69%). Also to budget for: the transfer duty, commonly called the welcome tax, of about $7,851 at this price. For this 2-unit property, the estimated gross rental yield comes to about 7% (estimated rents).

The Vieux-Longueuil area reports a median household income of $71,500 and 52% homeowners, according to census data.

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.

Neighbourhood Data

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