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Area · City of Mercier, Roussillon RCM, South Shore

Mercier

A designated heritage stone house by the road, a church turned into the town's living room, and the countryside starting at the end of the street. Here's my top 9, neighbour version, not brochure version.

Let's talk about this area

A lot of people drive through Mercier on Route 138 without realizing they just passed through one of the most endearing towns on the South Shore. A former farming village, Sainte-Philomène by its original name, that has kept its church steeple, its rangs and its spirit of mutual aid while taking on the look of a young suburb. My home base is in Verdun, just across the Honoré Mercier Bridge, and this corner of the southwest is one of the areas where I work with buyers and sellers, in residential and commercial alike.

I put this top 9 together for a simple reason: when you buy or sell, you're not just shopping for a property, you're shopping for a neighbourhood life. Each point comes with a conversation starter. Use it.

Maxime Laforest, residential and commercial real estate broker · Équipe Loiselle, RE/MAX Dynamique

The area's top 9

What makes the heart of Mercier beat.

Nine reasons why buyers fall for the area, and why the people who live there don't leave.

01 The heart of the village of Mercier, with the former Sainte-Philomène church at the end of the street
The village heart

A church turned into the town's living room

The Sainte-Philomène parish dates back to 1840, and its church survived three fires, including an arson in 2019. Rather than let it fall into disrepair, the town bought it back along with the rectory and turned it into a $4.5 million community centre, opened in March 2026: a reception hall for 150 people, a commercial kitchen and space for the Marmitons and Mercier's Guignolée food drive.

Ask me about it: ask me what it says about a town that buys back its church to keep it alive. For the village core around it, that changes quite a bit.
02 The stone facade of Maison Sauvageau-Sweeny, a designated heritage building in Mercier
Heritage

Maison Sauvageau-Sweeny

A Palladian-style stone residence, built in the early 19th century for Alexis Sauvageau, a merchant and militia captain, and now a designated heritage building. According to local lore, it once served as a store and a stopover on the road between Montreal and New York. It still stands watch on the bank of the Châteauguay River, and it's the one topping this page.

Ask me about it: ask me why character homes on the riverside roads often get passed down from family to family instead of hitting the market.
03 The Châteauguay River, which marks Mercier's western border, seen from Sainte-Martine
Waterfront

The Châteauguay River, right next door

It's the river where it all began: the first settlers built along its banks, long before the boulevard and the highway. Today it marks the town's western border, with Sainte-Martine right across. The roads that follow it offer countryside views you wouldn't expect just twenty minutes from the bridges.

Ask me about it: ask me which riverside roads are worth the detour on a Sunday afternoon. That's often where my clients understand the real charm of the area.
04 Boulevard Saint-Jean-Baptiste, Route 138, at the west entrance to Mercier
Shops

Boulevard Saint-Jean-Baptiste

In Mercier, Route 138 becomes Boulevard Saint-Jean-Baptiste and turns into the town's backbone: a produce market, restaurants, services, all your daily errands handled in a few minutes, with the artery running straight to Châteauguay for everything else. No anonymous shopping centre, just local shops that know their customers by name.

Ask me about it: ask me which stretches of the boulevard are moving the most right now. For a commercial purchase or an income property, that detail carries a lot of weight.
05 The Highway 30 interchange at the end of Boulevard Saint-Jean-Baptiste, at the edge of Mercier
Access

Highway 30 at the edge of town

The sign at the entrance reads "Aux Portes de Mercier," at Mercier's doorstep, and that's exactly it: Highway 30 crosses the boulevard right at the town's edge. Heading east, it connects to the 15 and the 10 near Candiac and Brossard; heading west, to Beauharnois, Valleyfield and the Vaudreuil interchange. The entire south belt of the metropolitan area becomes reachable without crossing a single bridge onto the island.

Ask me about it: ask me for real rush-hour drive times, not the ones an app gives you on a Sunday morning. I'd rather give you the straight answer before you buy than after.
06 The Honoré Mercier Bridge at sunset, on the way between Mercier and Montreal
Transport

The Honoré Mercier Bridge and the free shuttle

Taking Route 138, you head straight for the Honoré Mercier Bridge and the island of Montreal. That's no coincidence: in 1968, Sainte-Philomène chose the name Mercier in tribute to Honoré Mercier, Quebec's premier from 1887 to 1891, the same man the bridge is named after. Without a car, the exo 140 shuttle, free seven days a week, runs to the Châteauguay terminus, where exo lines head up to the Angrignon terminus and the metro's green line. The town has even offered a carsharing service since 2021.

Ask me about it: ask me how my clients here organize their trips back and forth to Montreal. There are more options than you'd think for a town on this side of the river.
07 A snow-covered residential street in Mercier, lined with family homes
Family life

Neighbourhoods that grow up well

14,626 residents at the 2021 census, and streets where period homes sit alongside newer builds without stepping on each other's toes. Best of all, kids can go through their entire schooling here: three elementary schools, Saint-Joseph, Saint-René and des Bons-Vents, then École secondaire Bonnier, right in town. When kids don't have to leave town for high school, families stay.

Ask me about it: ask me which areas young families look at first, and why being close to a school matters so much at resale time.
08
Outdoor play

The biggest pumptrack in Quebec

At Parc Loiselle, the town's largest green space, kids ride a pumptrack that was billed at its 2019 opening as the biggest in Quebec, right between the splash pad and the outdoor gym equipment. And the best part is still coming: construction on Pavillon Alec-Reid, a sports and cultural facility with a refrigerated skating rink, has been underway since spring 2026, with a partial opening expected as early as next winter thanks to funding from Quebec and Ottawa.

Ask me about it: ask me what a refrigerated rink open twelve months a year changes for a family here. And yes, the park shares its name with my team, sometimes things just line up.
09 White-tailed deer in the Île Saint-Bernard wildlife refuge, minutes from Mercier
Nature nearby

The deer of Île Saint-Bernard

About fifteen minutes away, the Marguerite-D'Youville wildlife refuge, on Île Saint-Bernard in Châteauguay, offers boardwalks over the marshes, great blue herons and white-tailed deer that let you get up close for a photo. The Fernand-Séguin forest and its trails are within the same radius. And either way, in Mercier the countryside starts at the end of the street: most of the territory is still farmland.

Ask me about it: ask me for my favourite spots for a Sunday walk. It's the kind of thing that doesn't show up on a Centris listing sheet, but gets a lot of buyers to sign.
Let's talk

Thinking about buying or selling in Mercier? Let's start talking.

A free evaluation of your property, a picture of the local market, or simply answers to your questions. No strings attached, and a straight answer.

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