Learn instantly if you can have an ADU on your property
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Step 1
Check if your California property is eligible for an accessory dwelling unit.
Step 2
Explore designs from ADU pros or sketch your own. Find one that works for you and your property.
Step 3
Learn about the cost and next steps for getting your ADU designed, approved, and built.
What’s an ADU?
ADUs are known by many names — including accessory dwelling unit, second unit, in-law unit,
granny flat, casita, and backyard home. But, no matter what you call them, these are secondary
homes located on the same piece of property as another home.