Retaining wall permit checklist — San Diego, California
Assembled from San Diego’s own published permit rules. Every line below is quoted from a city document and linked to it. Nothing here is generated, estimated, or inferred from another jurisdiction.
Do you need a permit?
San Diego requires a permit for a retaining wall.
When a permit is not required
A retaining wall of 3 feet or less, sized from the footing top up to the wall's highest point, needs no building permit - unless something loads it from behind or it holds back flammable liquid.
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Sources
- retaining wall — fee schedule ↗verified August 2026
Other permits San Diego publishes rules for
Listed because the city publishes a separate rule for each type — not because this project necessarily triggers one. Whether it does depends on your scope of work.
- Deck permit checklist
- Fence permit checklist
- Shed permit checklist
- Water heater permit checklist
- Re-roof permit checklist
- Electrical work permit checklist
- General building work permit checklist
BuildSpec is a reference, not the authority having jurisdiction. Confirm requirements with San Diego before you build.