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detached garage with flowering bush next to it

A detached garage is often constructed on a property to provide additional storage for vehicles, seasonal equipment, tools or various other items. Like all construction, regulations apply to ensure that the proposed structure is safe, and will last a long time.

Here is what you need to know before you begin:

 Ontario Building Code
The Building Code states that any structure with an area greater than 10 m² (108 ft²) requires a building permit.
 Zoning Bylaw

Detached garages, regardless of size, must comply with the provisions of the Town of Tillsonburg zoning bylaw.


These requirements include:

  • The location of the proposed building. A detached garage may be located in the side, or rear yard but not in the required front yard
  • Setbacks from property lines (generally a minimum of 4 ft)
  • The size of the building may be limited depending on the percentage of lot coverage permitted (contact Tillsonburg Building Services to confirm what your property zoning allows for size).

A survey of your property is typically required in order to determine the above setback requirements. If you do not have a copy of your survey, contact the Building Department to see if there is one on file. 

Download "Doing it Right Guide - Garages" (PDF)