Ahuntsic-Cartierville or Longueuil: comparison for buyers
Choose two or three cities from my guides. The figures come from the same sources as the guides.
Median prices
| Ahuntsic-Cartierville | Longueuil |
|---|
| Single-family home |
$917,50044 sales · stable year over year
|
Vieux-Longueuil$625,000116 sales · stable year over year
Saint-Hubert$587,500129 sales · stable year over year
|
|---|
| Condo |
$420,00070 sales · +1% year over year
|
Vieux-Longueuil$398,500116 sales · +5% year over year
|
|---|
| Plex (2 to 5 units) |
$935,00071 sales · +6% year over year
|
Vieux-Longueuil$840,00051 sales · +2% year over year
|
|---|
Median price = half of the properties sold for less, the other half for more. The price of a specific property varies.
Source: Centris, Q3 2026 (July to September).
Ahuntsic-Cartierville: Borough of Ahuntsic-Cartierville, Q3 2026 (July to September), change compared with the same quarter of 2025. (Centris – Ahuntsic-Cartierville statistics)
Longueuil: Centris statistics by borough (no data published for the city as a whole). (Centris – Vieux-Longueuil)
At a glance
Ahuntsic-Cartierville
- Population (2021 census)
- 135,336 residents (+1% since 2016)
- Area
- 24 km²
- Rivière des Prairies shoreline
- 15 km (Ville de Montréal)
Longueuil
- Population (2021 census)
- 254,483 residents (+6% since 2016)
- Boroughs
- Le Vieux-Longueuil, Saint-Hubert, Greenfield Park
Transit
Ahuntsic-CartiervilleThe metro’s orange line has three stations in the borough: Henri-Bourassa, Sauvé and Crémazie. The exo 12 Saint-Jérôme line stops at the Bois-de-Boulogne and Chabanel stations, toward Lucien-L’Allier station, downtown. The exo 15 Mascouche line stops at the Sauvé (connection to the metro) and Ahuntsic stations; since January 2026, its terminus has been Côte-de-Liesse station, in Saint-Laurent, with a connection to the REM. Since November 2025, the Du Ruisseau REM station, at the Saint-Laurent boundary, has offered about 1,060 park-and-ride spaces; according to the REM, the trip to Gare Centrale takes about 14 minutes. The Parcours Gouin bike path runs along the river.
LongueuilThe metro’s yellow line runs from Longueuil–Université-de-Sherbrooke station to downtown Montréal, with the RTL bus terminus. The Longueuil–Saint-Hubert exo station is on the Mont-Saint-Hilaire line. The Jacques Cartier Bridge and the Louis-Hippolyte-La Fontaine Tunnel connect the city to Montréal; the nearest REM station is Panama, in Brossard.
Education
Ahuntsic-CartiervilleCentre de services scolaire de Montréal for French-language education and English Montreal School Board (EMSB) for English-language education. Three colleges in the borough: Collège Ahuntsic, Collège de Bois-de-Boulogne and Collège André-Grasset.
LongueuilLongueuil campuses of Université de Sherbrooke and Université de Montréal, Cégep Édouard-Montpetit, École nationale d’aérotechnique.
Health
Ahuntsic-CartiervilleHôpital du Sacré-Cœur-de-Montréal (Cartierville) and Hôpital Fleury (Ahuntsic), part of the CIUSSS du Nord-de-l’Île-de-Montréal. CLSC d’Ahuntsic and CLSC de Bordeaux-Cartierville.
LongueuilHôpital Charles-LeMoyne (Greenfield Park), Hôpital Pierre-Boucher (Vieux-Longueuil).
Welcome tax
Ahuntsic-CartiervilleAhuntsic-Cartierville is part of the City of Montréal, so Montréal’s rates apply. In 2026: 0.5% up to $62,900, 1% up to $315,000, 1.5% up to $552,300, 2% up to $1,104,700, then 2.5%, 3.5% and 4% above $3,113,000 (rates as of October 2026, for information only). For a condo at the median price of $420,000, that comes to about $4,411; for a $935,000 plex, about $14,049. Ville de Montréal programs, such as RénoPlex, also apply.
LongueuilIn 2026, Longueuil applies 1.5% from $315,000 to $630,100, then 3% above $630,100 (rates as of October 2026, for information only; confirm with the City).
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