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Preliminary Zoning Review Applications

Preliminary Zoning Review Applications (PREAPP)

Prior to applying for a building permit, the City of Mississauga Zoning Section offers customers the opportunity to have a proposal reviewed for zoning compliance. If a problem is identified an applicant can decide to revise the proposal to deal with the problem or apply to Committee of Adjustment for a minor variance. A preliminary zoning application review is for information purposes only and does NOT constitute a formal approval.

How to Apply

Preliminary zoning review applications must be submitted online via ePlans using the "building permit" request type. The "Description of proposed work" MUST state "PRELIMINARY ZONING REVIEW ONLY - [SCOPE OF WORK]". For more information, visit


The following information must be uploaded into ePlans:

  • Metric site plan or survey, indicating existing and proposed, setbacks to all property lines, lot dimensions, building dimensions, parking spaces, building area, lot area, etc.
  • Fully dimensioned floor plans identifying all rooms/uses for all floors
  • Elevations
  • A letter outlining the in detail the project scope and the proposed use.

Application fee: $413.10 (2020)



Any information contained herein is strictly for information purposes only and should be reviewed in conjunction with Zoning By-Law 0225-2007, as amended. In the case where the information provided conflicts with that of the text contained in Zoning By-law 0225-2007, as amended, the text shall prevail. It should not be relied on when making decisions in connection with real estate transactions, development proposals or building permits.

Please visit the Mississauga Civic Centre, between 8:30 a.m. and 4:30 p.m. to review the Official Zoning By-law and to speak with staff before making important decisions.

A list of amendments passed by Council but not yet incorporated into the office consolidation copy can be found on the Unconsolidated Zoning By-law Amendments document. 

Copies of Zoning By-law Amendments are available at:
Office of the City Clerk
Corporate Services Department, 2nd Floor.