Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
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What to do next
- Measure the proposed walking-surface height above grade
- Confirm the proposed deck location and setbacks
- Prepare the City’s project-specific drawings and forms
- Submit through the current Mississauga permit process if a permit is required
Official sources behind this page
Low deckPermit not required below 600 mm
Mississauga lists a deck less than 600 mm (2 feet) in height among projects that do not need a building permit.
City of MississaugaWhen a building permit is required · Permit-required and permit-exempt project examples
2026-10-01Open proof
Permit applicationPermit required when the exemption does not apply
For a deck, porch or balcony permit application, Mississauga publishes project-specific forms, site-plan information, framing details and elevations.
City of MississaugaDeck, porch or balcony · Drawings and documents for deck, porch or balcony applications
2026-10-01Open proof
ZoningCheck the property separately
The site plan must show property lines, setbacks, lot area, frontage and lot coverage, so the proposed location and dimensions matter.
City of MississaugaDeck, porch or balcony · Drawings and documents for deck, porch or balcony applications
2026-10-01Open proof
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the deck guide