Drawings and documents you need for a building permit

Different forms, drawings and other documents are required depending on the type of your project. You’ll need to submit these when you apply for your permit.

Learn more about the fire protection and life safety requirements for projects such as:

  • Fire suppression
  • Electromagnetic locking devices (maglocks)
  • Sprinklers
  • Fire alarms

File format guidelines

When you upload all of these drawings and documents into the ePlans portal, all files must:

  • Be saved as PDF files. Secure or protected PDFs will not be accepted.
  • Upload each drawing as an individual file
  • Greyscale
  • Landscape orientation

File name requirements

File names must match the drawing number and name in the title block. For example:


File names must not include:

  • Address
  • Date
  • Business name
  • Dashes, hyphens, underscores or any other special characters
  • More than 60 characters

Hire a design professional

It’s strongly recommended that you work with a design professional such as an architect, professional engineer or qualified designer to create complete and accurate drawings that comply with the Building Code and Mississauga Zoning By-law. These drawings will need to be submitted along with your permit application.

All drawings for non-residential and multi-residential properties such as apartments and condos must be signed, sealed and dated by an architect, professional engineer and/or qualified designer.

Why drawings are required

The City requires drawings of your proposal so that we can determine if what you are building is safe and complies with the Zoning By-law, the Ontario Building Code, and any other applicable law.

All drawings must be drawn correctly and professionally, they must also include details about how your project is going to be constructed. These details could include materials used, sizes, spans, and dimensions.

Contact us

If you need more information, call 311 (905-615-4311) or contact us online.