FAQs • Placer County, CA • CivicEngage

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Community Development Resource Agency - ADU - Junior ADU

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1. What is a Junior Accessory Home?: A Junior Accessory Home is a living unit of 500 square feet or less contained completely in a single-family dwelling or an accessory dwelling.

2. What is the difference between an Accessory Home and a Junior Accessory Home?: An Accessory Home can be attached or detached from the primary dwelling. A Junior Accessory Home needs to be built within the framework of the primary dwelling or Accessory Home.

3. Where are Junior Accessory Homes allowed?: A Junior Accessory Home is permitted in single and multiple family residential zones.

4. Is a permit required for a new Junior Accessory Home?: Yes, in all cases a building permit is required. Property owners interested in constructing a Junior Accessory Home on their property are encouraged to speak with our Accessory Home team prior to preparing construction documents, to discuss your concept and verify what permits will be needed.

5. Can a Junior Accessory Home be sold separately from the primary residence?: No, Junior Accessory Homes cannot be sold separately.

6. What is the maximum size a Junior Accessory Home can be?: The maximum square footage of a Junior Accessory Home is 500 square feet.

7. Is parking required for a Junior Accessory Home?: No.

8. Do JADUs require a deed restriction?: Yes, an owner-occupancy deed restriction is required for JADUs unless owned by a government agency or nonprofit.