News
The Future Transformation of the Former Esso Refineries

Jean Giguère
Author :
WikiResidence
Source :
7/1/26
It is the end of an era for heavy industry and the dawn of a new one for Montreal's East End. The Government of Quebec is investing $122.9 million to acquire and decontaminate the former Esso refinery site, which has been inactive for 40 years.
This massive 7-million-square-foot property will be transformed into a mixed-use innovation hub.
On the agenda: clean technologies, artificial intelligence, and the creation of attractive living environments. This is a major urban requalification that will redraw the economic and social face of the metropolis.
The Scale of a Generational Project
Today, we focus our attention on Montreal's East End, an area long marked by a heavy industrial legacy, but which is preparing to undergo one of the largest real estate transformations of the decade.
Imagine a wasteland equivalent to 50 Costco stores or 25 Ikea branches. This is the colossal footprint (nearly 7 million square feet) of the former Esso refinery, closed for over four decades. This 7-million-square-foot site will trade its petroleum past for a future focused on clean technologies, artificial intelligence, and the creation of attractive living environments.
To orchestrate this transition "from gray to green," a strategic partnership has been established with key stakeholders, whose exact roles must be specified:
Christine Fréchette: The Premier of Quebec, who is now spearheading the vision for this requalification at the highest level of the State.
Soraya Martinez Ferrada: The Mayor of Montreal, who is working in close collaboration with the Premier.
Chantal Rouleau: Member of the National Assembly for Pointe-aux-Trembles and Minister responsible for the Metropolis and the Montreal region, who plays a key role in ensuring this development directly benefits East End citizens.
Anne St-Laurent: Mayor of Montreal-East, who noted with emotion that the project focuses on ecological transition and improving citizens' quality of life.
Allocated Budgets and Timeline
To accelerate "the revitalization of Montreal's East End," Christine Fréchette announced on Tuesday a $123 million investment intended to "transform from gray to green" the industrial sector of the city's east side.
Specifically, Investissement Québec is financing the acquisition of industrial lands totaling 7 million square feet, which previously belonged to the Imperial Oil Company (Esso), on behalf of the Société de mise en valeur de terrains dans l’Est de Montréal (SMTEM).
This fund will be used to "acquire, decontaminate, and develop" a zone "as large as 124 football fields," currently contaminated by former industrial activities. The objective is to attract new private investments and thereby create jobs, the Premier detailed.
Acquisition and Decontamination Funding: The Government of Quebec is allocating $122.9 million to support the SMTEM, an organization created by Fondaction Gestion d'actifs and administered by Stéphan Morency. The government estimates that the entire decontamination process will cost $150 million, with Tuesday's announcement providing the majority of the funding.
Previous Investments: This investment (taking the form of an equity stake via Investissement Québec) is in addition to the $200 million already invested by the CAQ since 2019 for the rehabilitation of lands in Montreal's East End. This prior funding also contributed to the blue line extension, the Olympic Stadium roof repairs, and the renovation of the Maisonneuve-Rosemont hospital.
Esso's Role: The oil company Esso will not participate in the decontamination efforts. Because its operations ceased before modern requirements of the Environment Quality Act came into force, the company was not obligated to rehabilitate its land prior to selling, Ms. Fréchette justified.
Timeline: The decontamination work will be spread over a period of 5 to 10 years depending on the segments, preparing the ground for advanced infrastructure. The project's instigators foresee seven to ten years for the complete development of the lands.
"No territory should be condemned to remain frozen in time. For over 40 years, these lands were abandoned, fenced off, inaccessible [...] in the heart of a strategic location, close to the Port of Montreal, next to major highways, railway infrastructures, and large population centers," stated the Premier in front of dozens of dignitaries.
The site, which has been inactive since 1983, previously hosted petroleum refining and storage activities. It is located between Sherbrooke and Notre-Dame streets in Montreal-East, near Gamble Avenue.
Following decontamination, various types of infrastructure must be implemented: sewers, aqueducts, streets, and the electrical grid, before considering the establishment of industries. "There, I expect the federal government to be present," maintained Christine Fréchette.
A Long Wait
"This is a day that has been long awaited by partners, citizens, elected officials, and businesses. By all those who believe in the tremendous potential of our territory," advanced Chantal Rouleau during the announcement. Mayors Soraya Martinez Ferrada and Anne St-Laurent also agreed. In their view, Montreal's East End has too often been neglected, even though historically it was "one of Quebec's economic engines."
Economic Impacts and Footfall Statistics
From a commercial development perspective, the strategy is clear: the model of massive logistics warehouses—which consume vast amounts of space but create few jobs—is rejected.
Regarding the types of sectors that will be developed, the Premier responds that "the vision is not finalized, it will be developed in consultation." Ultimately, the Coalition avenir Québec (CAQ) envisions sectors such as aeronautics, artificial intelligence, and photonics optics.
The goal is to attract businesses operating in the energy transition, artificial intelligence, aeronautics, and defense sectors.
Projected Footfall: A 7-million-square-foot innovation hub has the potential to attract a daily flow of 10,000 to 15,000 people. This includes skilled workers, researchers, and residents taking advantage of the mixed-use spaces.
Ripple Effect: It is important to note that Montreal's East End holds approximately 30 million square feet of abandoned industrial land. The success of this first site will act as a powerful catalyst to unlock the remaining wastelands.
Tax Revenues: For the City of Montreal, converting unprofitable wastelands into a high-density technological hub will result in a massive long-term increase in property tax revenues. This will also consolidate Montreal's role as a leader in clean technologies.
Social Impact: "From Gray to Green"
A classic mistake of 20th-century real estate development was drastically separating industrial zones from residential areas, creating dormitory communities and concrete deserts.
This project proposes a paradigm shift. As highlighted by the SMTEM, it is not about "heavy reindustrialization." The urban objective is to create a mixed-use space: a place where residents of Pointe-aux-Trembles and Hochelaga-Maisonneuve will want to live, work, and seek entertainment.
This involves the development of green networks, active mobility corridors, and community infrastructure that will mend the urban fabric of the island's east end.
Creation of Living Environments: The project plans to integrate green spaces, active mobility corridors, and services. This will harmoniously connect the site to adjacent residential neighborhoods, notably Pointe-aux-Trembles.
Fighting Heat Islands: Partial demineralization and massive tree planting on this former petroleum site will improve air quality and local public health.
Retaining Talent: By offering attractive living environments close to high-paying jobs, Montrealers are given the opportunity to live, work, and play in their neighborhood. This will reduce car dependency and urban sprawl.
In summary, this project is not just a real estate transaction; it is a reparation of the territory. We will continue to follow this file closely as the first mechanical shovels begin cleaning up this sleeping giant.
This partnership between Quebec, Montreal, and the SMTEM proves that with political will and patient capital, even the deepest industrial scars can become the urban crown jewels of tomorrow.
