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Buying a plex in Côte-Saint-Luc

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

RE/MAX du Cartier, our agency, has an office very close by, in Mont-Royal. We analyze rents in the area and building sales in Côte-Saint-Luc 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 glanceCôte-Saint-Luc
Population (2021)34,504
Montreal≈ 25 minutes from downtown by car
TransportationMontréal-Ouest station · Boulevard Cavendish and Chemin de la Côte-Saint-Luc · Avenue Westminster
MRCAgglomération de Montréal
Investing in Côte-Saint-Luc

Rental potential in Côte-Saint-Luc

The city has a significant stock of apartment towers and condos, particularly along major arteries like chemin de la Côte-Saint-Luc. Its central location and municipal services support rental demand. There are also duplexes and triplexes in some areas. Each building must be analyzed based on its actual 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 Côte-Saint-Luc 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 Côte-Saint-Luc

  • 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 Côte-Saint-Luc, the welcome tax is approximately $10,111. Calculate it for your price →

Centris® statistics

The real estate market in Côte-Saint-Luc

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

Single-family

Median price
$933,000 +5.7% vs. 2025
Sales
66 vs. 91 in 2025
Average time to sell
45 days vs. 51 days in 2025

Condo

Median price
$590,000 +11.3% vs. 2025
Sales
92 vs. 119 in 2025
Average time to sell
72 days vs. 69 days in 2025

Plex (2 to 5 units)

Average price
$890,833 −20.5% vs. 2025
Sales
6 vs. 7 in 2025
Average time to sell
89 days vs. 63 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 Côte-Saint-Luc

Parc Pierre-Elliott-Trudeau

Park

The city's largest park offers baseball fields, a sledding hill and Lac Centennial, where you can take a pedal boat out in summer and skate in winter. It's where families gather all year round.

Discover Parc Pierre-Elliott-Trudeau →

“Parc Pierre-Elliott-Trudeau, with its lake where people skate in winter, is a good illustration of what families look for in Côte-Saint-Luc: local services just minutes from home.”

Jasmin MorinResidential and commercial real estate broker
Free guide

Buying a property in Côte-Saint-Luc, step by step

Our free guide (in French) explains how to find the best opportunities in Côte-Saint-Luc 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 Côte-Saint-Luc, 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 Côte-Saint-Luc

What kind of income property is there in Côte-Saint-Luc?

You'll mostly find apartment towers and buildings along the main arteries, as well as duplexes and triplexes. The city's central location supports demand.

What is the average price of a plex in Côte-Saint-Luc?

From January to September 2026, 6 plexes (from duplexes to quintuplexes) were sold in Côte-Saint-Luc, at an average price of $890,833 (source: Centris®). The right price for a building depends mostly 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 Côte-Saint-Luc?

For an $800,000 plex, approximately $10,111 according to the City of Côte-Saint-Luc's 2026 schedule. Plan for this amount in addition to the down payment, which varies depending on the number of units and whether you live in the building.

How much is your property worth in Côte-Saint-Luc?

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