Sienna Senior Living Commences $125 Million GTA Long-Term Care Redevelopment in 2027

Sienna Senior Living Inc. (TSX: SIA) is moving ahead with a $125 million long-term care redevelopment in Mississauga, Ontario, according to Financial Post. Construction on the 256-bed Streetsville Community project will begin in the first quarter of 2027 and wrap up in late 2029.
The project will replace 118 existing beds and add 138 new ones on a 3.5-acre site, Mitchell Advocate reported. Sienna expects a development yield of roughly 8.0%, a key return metric for real estate projects.
Construction will take place on a 3.5-acre site at Sienna's existing Streetsville Community, Financial Post reported. The facility will grow from 118 beds to 256 beds — more than doubling its current capacity. The rebuild is expected to take roughly three years, with completion set for late 2029.
The $125 million price tag reflects the scale of modern long-term care construction in Ontario. A development yield of 8.0% means Sienna expects the project to generate strong returns relative to its cost, according to Edmonton Sun.
Streetsville is Sienna's second major GTA redevelopment announced in recent months. The company previously announced a 448-bed Glen Rouge project in Toronto, according to Leader Post. Glen Rouge is a larger build and is expected to be completed in 2030, one year after Streetsville.
Together, the two projects would add hundreds of new long-term care beds across the GTA. Ontario has faced a growing shortage of such beds as its senior population expands, Pembroke Observer reported.
Ontario's long-term care system has been under strain for years. Wait lists for beds can stretch years long. New builds like Streetsville directly address that gap by replacing outdated facilities and adding net-new capacity, according to The Sudbury Star.
The 138 net-new beds at Streetsville represent a meaningful addition to Mississauga's care supply. Replacing the 118 older beds also allows Sienna to bring the facility up to current provincial design standards, The Whig reported.
Sienna noted that its forward-looking plans carry significant risks. Costs, timelines, and regulatory approvals could all shift, according to Seaforth Huron Expositor. The company cautioned that actual results may differ from current expectations.
Construction costs in Ontario have risen sharply in recent years. A $125 million project starting in 2027 will face ongoing pressure from labour and materials prices. Investors and residents watching the project will track whether Sienna holds to its projected 8.0% yield, Ontario Farmer noted.
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