ADU Garden Suite vs. Basement Apartment vs. Garage Conversion: Which ADU Is Right for You?
Each type charges you in something you already own and has to prove something different before a permit issues. That, not a ranking, decides it.
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ADU How Much Does It Cost to Build an ADU in Ontario?
There is no single ADU price in Ontario. Detached garden suites in the GTHA were reported at $200,000 to $350,000 (2025); converting existing space costs less.
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ADU ADU Regulations in Mississauga: What You Need to Know Before You Build
Mississauga allows up to two additional units per property, three total with the house. Sizes and setbacks depend on your zone, so confirm with the City first.
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ADU Can My Mississauga Property Support an ADU? A Site-by-Site Reality Check
The short answer is usually yes, but the details decide it. Lot size, existing structures, servicing, and zoning overlays all shape what's actually buildable. Here's what to look at before you spend money on design.