---
title: "West Island & Saint-Laurent, Montreal — Class A submarket"
description: "Aerospace and tech belt."
canonical: https://classa.info/cities/montreal/west-island-saint-laurent
pageType: neighborhood
lastUpdated: 2026-04-15T00:00:00.000Z
license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)."
---

> West Island & Saint-Laurent is a established-tier Class A submarket of Montreal with average asking rent around C$28/sqft/yr · ≈ $20.7 PSF/yr USD.

## TL;DR

- Aerospace and tech belt.
- Established tier — ~C$28/sqft/yr.
- Active Class A leasing market with deal flow across major broker desks.

# West Island & Saint-Laurent, Montreal — Class A submarket

*Aerospace and tech belt.* · Tier: established · Avg rent: C$28/sqft/yr · ≈ $20.7 PSF/yr USD

## TL;DR

- Aerospace and tech belt.
- Established tier — ~C$28/sqft/yr.
- Active [Class A](/glossary/class-a) leasing market with deal flow across major broker desks.

## Overview

The West Island and Saint-Laurent anchor Montreal's aerospace and tech belt — Bombardier, CAE, Pratt & Whitney, and a deep tech R&D cluster.

## Tenant profile

Aerospace, tech R&D, pharmaceuticals, manufacturing HQs.

## Typical specification

15–40,000 sqft floor plates available across newer Class A stock; 9'+ slab-to-slab and modern MEP common.

## Transit

exo Vaudreuil-Hudson and Deux-Montagnes lines; REM (2024-25).

Multi-modal transit captures the metro's principal professional catchment.

## Amenities

Fairview Pointe-Claire, Cap-Saint-Jacques nature park.

## Comparable buildings

- **CAE Headquarters** [](https://www.google.com/maps/search/?api=1&query=CAE%20Headquarters%2C%208585%20C%C3%B4te-de-Liesse%20Road%2C%20Saint-Laurent%2C%20QC%20H4T%201G6%2C%20West%20Island%20%26%20Saint-Laurent%2C%20Montreal%2C%20Canada&query_place_id=ChIJw_Y9ibMqyUwRSdgGkZLgZWU)
- **Bombardier Saint-Laurent** [](https://www.google.com/maps/search/?api=1&query=Bombardier%20Saint-Laurent%2C%202351%20Boulevard%20Alfred-Nobel%2C%20Saint-Laurent%2C%20QC%20H4S%201A9%2C%20West%20Island%20%26%20Saint-Laurent%2C%20Montreal%2C%20Canada&query_place_id=ChIJtyh9nRIYyUwRISMPAYdnqvg)
- **Tecnoparc Montréal** [](https://www.google.com/maps/search/?api=1&query=Tecnoparc%20Montr%C3%A9al%2C%207400%20Rue%20de%20l'Aviation%2C%20Saint-Laurent%2C%20QC%20H4S%200A5%2C%20West%20Island%20%26%20Saint-Laurent%2C%20Montreal%2C%20Canada&query_place_id=ChIJHQn2WRE9yUwRYVZvBXIYLrQ)

## Where West Island & Saint-Laurent sits in Montreal

West Island & Saint-Laurent is one of 5 Class A submarkets we cover in Montreal, classified as established tier with an average asking rent around C$28/sqft/yr · ≈ $20.7 PSF/yr USD. Compared with the broader Montreal Class A stock, West Island & Saint-Laurent typically attracts Aerospace, tech R&D, pharmaceuticals, manufacturing HQs and competes most directly with the city's other established submarkets on building specification, transit access, and [amenitisation](/glossary/amenitisation).

Adjacent submarkets to study alongside West Island & Saint-Laurent: [Downtown CBD](/cities/montreal/downtown-cbd), [Mile-Ex & Marconi](/cities/montreal/mile-ex-marconi), [Griffintown & Old Port](/cities/montreal/griffintown-old-port), [René-Lévesque West](/cities/montreal/midtown-rene-levesque). The full Montreal submarket atlas is at [/cities/montreal](/cities/montreal).

## Topic deep-dives for West Island & Saint-Laurent

For an institutional Class A occupier evaluating West Island & Saint-Laurent, the highest-leverage analyses to commission next are the rent benchmark, the concession-package comparable, and the ESG performance baseline. Class A Atlas covers each as a dedicated topic page for this submarket:

- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/rents-and-availability)
- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/tenant-profile)
- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/transit-and-commute)
- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/amenity-and-lifestyle)
- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/trophy-and-comparables)
- [West Island & Saint-Laurent — ](/cities/montreal/west-island-saint-laurent/fit-out-and-spec)

## Related glossary

Terminology specific to Montreal Class A leasing and to the established tier: [Class A](/glossary/class-a), [Trophy asset](/glossary/trophy-asset), [Effective rent](/glossary/effective-rent), [Concession package](/glossary/concession-package), [TI allowance](/glossary/ti-allowance), [Submarket tier](/glossary/submarket-tier).

## Editorial provenance

Reviewed by [**Miriam Hollander**](/about/authors/miriam-hollander) — Lead market analyst. Last updated 2026-04-15. See our [methodology](/about/methodology) and [editorial standards](/about/editorial-standards).

### Primary sources for this page

- [CBRE Marketview reports](https://www.cbre.com/insights) — CBRE
- [JLL Office Insight](https://www.jll.com/en/trends-and-insights) — JLL
- [Cushman & Wakefield Marketbeat](https://www.cushmanwakefield.com/en/insights) — Cushman & Wakefield
- [Savills World Research](https://www.savills.com/research_articles/) — Savills
- [Colliers Global Office Outlook](https://www.colliers.com/en/research) — Colliers

[Full sources index](/about/sources) · [Submit a correction](/about/corrections)

## Related topics

- [**Class A Lease Negotiation**](/topics/class-a-lease-negotiation) — How to negotiate a Class A office lease — the playbook from LOI to signed deal.
- [**Hybrid Workplace Strategy**](/topics/hybrid-workplace-strategy) — How to size, structure, and lease a Class A office for a hybrid workforce.
- [**ESG / LEED for Tenants**](/topics/esg-leed-tenants) — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease.
- [**Cross-border Expansion**](/topics/cross-border-expansion) — How to run a coordinated Class A office search across multiple geographies.
- [**Fit-out Capex**](/topics/fit-out-capex) — How to budget, sequence, and govern Class A office [fit-out](/topics/fit-out-capex)">fit-out capex.
- [**Lease vs Flex**](/topics/lease-vs-flex) — When premium flex (coworking, [managed office](/glossary/managed-office)) beats a conventional Class A lease — and vice versa.

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Citation: Source: Class A Atlas (https://classa.info/cities/montreal/west-island-saint-laurent), updated 2026-04-15T00:00:00.000Z.