Do I need a permit for interlocking stone installation in Toronto (or the GTA)?

Generally, a permit is not required for laying interlock on your private residential property (like a driveway, patio, or walkway) if the work remains within the property boundaries and does not change the existing grading or drainage.

• However, you may need a permit if:

  • Your project impacts public land (e.g., the city boulevard or sidewalk).

  • The work substantially alters your property's drainage, potentially affecting a neighbour's property. Always use an experienced Toronto interlock company who understands the local Toronto zoning bylaws to ensure your project complies with all regulations and avoids costly fines or removal orders.