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 wall height
- Map the wall location and grades
- Prepare structural/site information
- Confirm the permit route before construction
Official sources behind this page
Cambridge lists retaining walls greater than one metre among typical projects requiring a building permit, depending on location.
The City expressly qualifies the wall trigger by location.
Permit plans are reviewed for Ontario Building Code and applicable-law compliance.
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the retaining wall guide