Business >> Building Permits & Inspections

Building Accessory Building

Accessory Buildings/Structures

Detached Garage

When is a Building Permit required?

 According to the Ontario Building Code (OBC), a Building Permit is required when a new building or structure exceeds an area greater than 10.0 square metres (108.0 square feet), consisting of a wall, roof or floor. Sheds, gazebos, shade structures, saunas, pool change rooms and cabanas are just a few examples which require permits.

Prior to submission of a Building Permit application, please consult with the Building Services Department @ 905-871-1600 Ext. 5510.


What are the rules & regulations for an Accessory Building/Structures?

Accessory buildings/structures must be: 

  • Located either 'in-line' with or 'behind' the front face of the dwelling;
  • Setback a distance of 1.0 metre (3'-3") from the rear and side yard property lines;
  • Located no closer to any exterior street than the setback required in the applicable zone;
  • Located no closer than 6.0 metres (19'-7") to the exterior side lot line, when a detached garage or carport which faces the exterior side lot line;
  • No more than 10% of the lot area can be dedicated to accessory buildings and/or structures;
  • No more than 4.5 metres (14'-9") in height - measured from peak to finished grade.

What is required for a Building Permit submission?

The Town will require the following information;

  • A site plan identifying the size & location of the proposed building/structure & all setback distances to all property lines;
  • The size & location of the existing buildings & structures;
  • Two (2) copies of construction drawings including foundation & wall details;
  • Elevation plans for the building subject to the construction including all details;
  • A lot grading plan, identifying the existing & proposed grades surrounding the building & the proposed finished floor grade;
  • A complete set of roof truss drawings for the building, if the roof structure involves pre-engineered roof trusses;
  • All plans submitted must be appropriately scaled;
  • Any necessary approvals and/or permissions from other agencies (i.e. Niagara Regional Planning and Development Services, the Niagara Peninsula Conservation Authority (NPCA), the Town's Environmental Advisory Committee (EAC) etc.).

In order to complete the drawings to the satisfaction of the OBC & the Town of Fort Erie's Planning & Development Services Department, it may be beneficial that you seek the assistance of a professional (i.e. Designer or Architect).  Their familiarity with the OBC requirements, drawing detail & design will prove useful.


Please refer to the sample drawing and ensure that the drawings proposed for submission match or exceed the level of detail.  Please note that the sample drawing is strictly intended to be used as an example only.


Required 2021 Permit Fees: 

  • Accessory Buildings:                                                $0.44 per sq.ft
  • Municipal Protection Deposit                                $500.00
  • Lot Grading Deposit                                                 $2,500.00



The information provided is intended to assist & guide the Building Permit process.  Regulations & fees are subject to change, therefore, please contact and consult the Building Department Staff.

The Municipal Protection Deposit is required to ensure that the road allowances, boulevards, curbs, sidewalks, culverts etc., are kept clean & not damaged during construction & installation.

The Lot Grading Deposit is required to ensure that the proposed grade elevations fully comply with the proposed grade elevations.

Once the project has passed the final inspection & final lot grading, the Municipal Deposits are returned.


How to obtain a Building Permit application?

Permit Applications can be obtained:

  • Online at;
  • At Town Hall, 1 Municipal Centre Drive, Building Services Department - Second Floor


For further information with the Accessory Building Permit process, please review the following video.



Information Current to January 2020