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Buying a plex in L'Île-Bizard–Sainte-Geneviève

Duplex, triplex or multi-family building: we go over the leases and the numbers with you before you make an offer to purchase.

Annie Payant & Jasmin MorinReal estate brokers · RE/MAX du Cartier
5.0 · 113 Google reviews

The Montreal market, in numbers

Annie and Jasmin each have more than 10 years of real estate experience. We analyze rents in the area and building sales in L'Île-Bizard–Sainte-Geneviève before you make an offer.

The real income

Current leases, vacant units, actual expenses: we recalculate the income before talking about price.

The multiplier and comparables

Gross income multiplier, price per door and sales of comparable buildings: is the asking price justified?

A business perspective

Trained in finance and marketing at HEC Montréal, Jasmin helps you assess a building as a business project.

At a glanceL'Île-Bizard–Sainte-Geneviève
Population (2021)18,885
Montreal≈ 40 minutes from downtown by car
TransportationJacques-Bizard Bridge · Seasonal Laval-sur-le-Lac–Île-Bizard ferry · Boulevard Gouin Ouest and access to Highway 40
MRCAgglomération de Montréal
Investing in L'Île-Bizard–Sainte-Geneviève

Rental potential in L'Île-Bizard–Sainte-Geneviève

The rental market is smaller than in the central neighbourhoods and consists mostly of houses, a few plexes and condos. Cégep Gérald-Godin may generate some rental demand in the Sainte-Geneviève sector. Investors should analyze each building carefully, based on its income, expenses and condition.

How we analyze a plex

Gross income multiplier

The asking price compared with the building's income and with plexes sold in the area.

Net income

Actual rents minus taxes, insurance, energy, maintenance and vacancy: what you really keep.

Comparable sales

Plexes recently sold in L'Île-Bizard–Sainte-Geneviève and the surrounding area, and the price per door, adjusted for the condition of the building.

Municipal assessment

The relationship between the price and the municipal assessment, to help frame an offer.

Before buying a plex in L'Île-Bizard–Sainte-Geneviève

  • The current leases and the renewal notices for each unit.
  • Vacant units and market rents in the area.
  • The condition of the building: roof, windows, plumbing, electrical and foundation.
  • The number of dwellings allowed by the zoning.
  • Municipal and school taxes, insurance and energy.
  • Financing: the down payment varies depending on the number of units and whether you live in the building.

For an $800,000 plex in L'Île-Bizard–Sainte-Geneviève, the welcome tax is approximately $11,349. Calculate it for your price →

Centris® statistics

The real estate market in L'Île-Bizard–Sainte-Geneviève

From January to September 2026, compared with the same period in 2025.

Single-family

Median price
$760,000 +2.4% vs. 2025
Sales
105 vs. 113 in 2025
Average time to sell
73 days vs. 43 days in 2025

Condo

Median price
$338,000 +3.8% vs. 2025
Sales
20 vs. 22 in 2025
Average time to sell
58 days vs. 45 days in 2025

Plex (2 to 5 units)

Average price
$881,000 −14.9% vs. 2025
Sales
4 vs. 4 in 2025
Average time to sell
64 days vs. 167 days in 2025

Source: Centris® — statistics by municipality and property type, revised on October 1, 2026. Average plex price: duplex to quintuplex.

Full statistics ·

Prices, sales and selling times by property type, compared with last year: Annie or Jasmin will send you the full Centris® report.

Our favourite spot in L'Île-Bizard–Sainte-Geneviève

Parc-nature du Bois-de-l'Île-Bizard

Nature park

Marshes, forests and a small beach in summer: this park is best discovered via a large 500-metre boardwalk over the wetlands. Its trails can be explored on foot or by bike and, in winter, on snowshoes or cross-country skis.

Discover the Parc-nature du Bois-de-l'Île-Bizard →

“The big boardwalk at Bois-de-l'Île-Bizard is a lovely way to capture the character of the island: lots of water, lots of greenery and very little concrete.”

Jasmin MorinResidential and commercial real estate broker
Free guide

Buying a property in L'Île-Bizard–Sainte-Geneviève, step by step

Our free guide (in French) explains how to find the best opportunities in L'Île-Bizard–Sainte-Geneviève and buy with complete confidence.

Part 1

Before: how to prepare well

Part 2

During: interested in a property?

Part 3

Afterwards: the steps that follow the offer to purchase

Get the buyer's guide

Buyer's guide: how to find the best opportunities in L'Île-Bizard–Sainte-Geneviève, by the Équipe Annie Payant & Jasmin Morin
They trusted us

What our clients say

5.0 · 113 Google reviews (76 for Annie, 37 for Jasmin)
“We had exceptional service from start to finish with Annie for the purchase of our first home. She was always available and answered all our questions quickly and with great clarity. Her support was impeccable: she guided us through every step with professionalism and made the process simple and reassuring.”
— Marianne Ferland, Google review · Annie Payant
“I worked with Jasmin to sell one of my condos, and I have to say he is exemplary in his professionalism. His service is truly turnkey, which made the process much easier. He knew how to offer me valuable help at every step. I recommend him without hesitation!”
— Dany Rondeau, Google review · Jasmin Morin
Frequently asked questions

Real estate in L'Île-Bizard–Sainte-Geneviève

Is it a good area for a rental building?

The rental stock is limited and consists mostly of houses and small buildings. The presence of the Cégep Gérald-Godin may support demand in Sainte-Geneviève, but each project must be analyzed case by case.

What is the average price of a plex in L'Île-Bizard–Sainte-Geneviève?

In January to September 2026, 4 plexes (from duplexes to quintuplexes) were sold in L'Île-Bizard–Sainte-Geneviève, at an average price of $881,000 (source: Centris®). The right price for a building depends above all on its income: always compare the multiplier and the condition of the building.

How do you calculate the return on a revenue property?

Start with the gross income multiplier (price ÷ annual income), then calculate net income: rents minus taxes, insurance, energy, maintenance and vacancy. Then compare with similar buildings sold in the area. A good purchase is judged by actual income, not expected income.

What should you check in the leases before buying a building?

Ask for a copy of every current lease and renewal notice: rent, term, services included, special agreements. Compare the rents with the market in the area and check for vacant units. Leases stay with the building: the buyer takes them on as they are.

How much is the welcome tax on a plex in L'Île-Bizard–Sainte-Geneviève?

For an $800,000 plex, roughly $11,349 based on the City of Montreal's 2026 schedule. Plan for this amount on top of your down payment, which varies depending on the number of units and whether you live in the building.

How much is your property worth in L'Île-Bizard–Sainte-Geneviève?

A free, no-obligation comparative analysis based on recent sales in your area.