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Detached Garage & Shed Permit



Detached garages, sheds and accessory buildings are free standing structures with independent foundations from the main dwelling.

Development Considerations
  • The first step of any project is obtaining Development approval.  Approval is obtained when a Development Officer reviews the submitted site plan and building drawings and determines that they meet the minimum requirements outlined in Land Use Bylaw 5700.
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  • Detached garages and sheds are considered Accessory Buildings and have specific requirements which are outlined in Land Use Bylaw 5700All accessory buildings must:

o Be located in side and rear yards only,
o Be located no closer than 0.60m (2’-0”) to any side and rear property line,
o Be no closer than 1.2m (4’-0”) to the principal building located on the parcel,
o Be no taller than 4.5m (14’-9”) in height,
o Cover no more than 14% of the parcel.

  • For further information please contact Development Services by telephone at 403-320-3920 or by email at developmentservices@lethbridge.ca
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    Required Permits & Inspections
    • Accessory buildings under 10m² (100ft²) are considered moveable structures and do not require a permit.
    • Building Permit: requires one Final inspection when siding, soffit and & fascia are complete, prior to insulation & vapor barrier.
    • Electrical Permit: may be issued to the homeowner or licensed contractor. A Rough-in and Final Inspection are required.
    • Gas Permit: will only be issued to a licensed contractor. A Rough-in and Final inspection are required (if garage is heated). 

    Design Considerations
    Foundation
    • Accessory buildings up to 55m² (592ft²) may be supported by a mud sill or floating slab on grade.
    • Structures over 55m² (592ft²) and up to a maximum length of 9.14m x 9.14m (30' x 30') are permitted to use the City of Lethbridge approved design for thickened slab on grade or an acceptable independently engineered foundation.
    • Accessory buildings with dimensions greater than 9.14m x 9.14m (30' x 30') are required to have full strip footings or an independently engineered foundation.
    • 12" max. curb walls are permitted on a 4" floating slab on grade
    • 18" max. curb walls may be used for a thickened slab on grade.
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    Permit Application
    • Completed application form
    • Homeowner Electrical and Declaration forms (applicable if Homeowner is not having the work completed by others)
    • Site plan
    • Construction drawings with Truss Manufacturer letter & roof layout, or Vendor supplied material list & installation manual if using a pre-fabricated package.
    • City of Lethbridge Foundation Detail (if applicable)
    • Four sided Elevations