Do I need to get a building permit for an ADU?

Yes

You may also need an Administrative Coastal Development Permit for an ADU that’s in the Coastal Zone. Contact the Planning Division for more information if you think you may be in the Coastal Zone.  

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1. What is an ADU/JADU?
2. Can I have an ADU on my property?
3. How many ADUs can I have on my property?
4. How big can an ADU/JADU be?
5. Do I need to get a building permit for an ADU?
6. What are the setbacks for an ADU?
7. Can I convert my garage into an ADU?
8. What is the maximum height of an ADU?
9. Do I need to provide parking for the ADU?
10. Am I required to pay impact fees (e.g. sewer, water, school district) for an ADU?
11. Can zoning regulations, like the Hillside Height Overlay, prevent me from building an ADU?
12. Does my ADU have to match the design of my house?
13. Are ADUs allowed in high fire hazard areas?
14. What is the first step I need to take to get an ADU?