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.
0 of 5 ready
Your progress is saved in this browser. Come back whenever you’re ready.
What to do next
- Confirm exact floor area, height, use and whether plumbing is proposed
- Check the property zoning and accessory-structure provisions
- Measure setbacks and lot coverage
- Prepare permit drawings if the exemption does not apply
Official sources behind this page
Storage shed exemptionPermit not required when all listed conditions are met
The City lists a shed less than 15 m², one storey, free-standing, without plumbing and used for storage only as permit-exempt.
City of MississaugaWhen a building permit is required · Permit-required and permit-exempt project examples
2026-10-01Open proof
Larger / different structurePermit may be required
If the project falls outside the listed exemption, use the accessory-structure permit route and confirm the exact classification with the City.
City of MississaugaAccessory structure (shed, gazebo, detached garage) · Drawings and documents for accessory structures
2026-10-01Open proof
ZoningStill applies without a building permit
Mississauga says accessory structures are subject to location, size, height, number and sometimes lot-coverage rules even when a building permit is not required.
City of MississaugaAccessory buildings and structures · Location, size, height, lot coverage and zoning requirements
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 shed / accessory structure guide