FAQs • Placer County, CA • CivicEngage

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Community Development Resource Agency - Accessory Homes

1. Where are Accessory Homes allowed?: At this point in time every parcel zoned residential in Placer County is allowed to have up to three dwellings. One primary dwelling, one ADU and one JADU. The ADU can be up to 1,200 square feet if detatched from the primary unit, or up to 50% of the primary dwelling square footage if it is attached. The JADU can be up to 500 square feet and needs to be built within the framework of either the primary or ADU.

2. Is a permit required for a new Accessory Home?: Yes, in all cases a building permit is required. Property owners interested in constructing an 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. Please e-mail [email protected].

3. Can an Accessory Home be sold separately from the primary residence?: No, accessory homes cannot be sold separately from the primary dwelling unit.

4. Can an Accessory Home be rented?: Yes, however, rental of the Accessory Home for thirty (30) days or less is prohibited.

5. What is the maximum size an Accessory Home can be?: An attached Accessory Home may be up to fifty percent of the existing living area of the primary residence. A detached Accessory Home is limited to a maximum total floor area of 1,200 square feet.

6. Can I add a “tiny home” as an Accessory Home?: Yes, tiny homes are permitted in Placer County.

7. How many accessory homes can I build on my property?: At this point in time every parcel zoned residential in Placer County is allowed to have up to three dwellings. One primary dwelling, one accessory home (ADU) and one Junior ADU (JADU).