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
- Check dwelling and property eligibility
- Confirm parking and zoning conditions
- Prepare the permit drawings
- Apply before construction and complete required inspections
Official sources behind this page
ZoningMust comply
Vaughan states that a secondary suite must comply with its Zoning By-law and limits eligibility to specified dwelling types and locations.
City of VaughanHow to Get a Secondary Suite / ADU · Zoning criteria and building permit route
2026-10-01Open proof
New secondary suiteBuilding permit required
For a new unit, Vaughan directs owners to submit a building permit application with professionally prepared drawings.
City of VaughanHow to Get a Secondary Suite / ADU · Zoning criteria and building permit route
2026-10-01Open proof
ParkingAdditional parking is part of the zoning criteria
The City states that one additional properly surfaced parking space is required per additional residential unit under the cited criteria.
City of VaughanHow to Get a Secondary Suite / ADU · Zoning criteria and building permit route
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 secondary suite / adu guide