As housing options continue to evolve across Ontario, garden suites have become one of the most practical and flexible solutions for homeowners looking to add living space or generate rental income. In this guide, we explain what a garden suite is , how it works in Ontario, and why more homeowners are choosing backyard suites as a long-term investment. What Is a Garden Suite? A garden suite is a detached, self-contained residential unit built in the backyard of an existing