FAQs

  • What is an ADU?

ADU is an acronym for Accessory Dwelling Unit. You might know ADUs by other names, such as granny-flats, Granny units or in-law-apartments. ADU’s are dwellings–either attached or detached from the main house, that are equipped with equivalent amenities of a full-scale home, just in a smaller space.


  • Where can I build an ADU?

An ADU can be built as detached unit in the side or back yard depending on your property layout. It can also be attached ADU which can be built on top of the garage, in the attic, in the basement or garage conversion. Note that the ADU entrance cannot face the same direction as the main house entrance.


  • If I have an existing detached garage, can I still build an ADU?

The answer is yes, there are several options you can consider.

1- Convert the garage to an ADU.

2- Build an ADU above the garage.

3- Demolish the garage and build a detached ADU.


  • Can I rent my ADU?

Yes, as a matter of fact ADUs make great rentals since they are a separate building which provides privacy to both the ADU and main residence occupants. 


  • Do I have to live on the property to rent out the ADU or the main residence?

As of January 2020, property owners are not required to occupy either the ADU or the main residence in order to rent out either residency.


  • Is it possible for my ADU to have a separate address from the main residence?

Yes, it can have separate address if needed.


  • How long does it take to acquire a permit for an ADU?

Once you have all the plans ready, depending on your city it can be as fast as 1 day or as long as 2 months.


  • Are Solar Panels required on all new ADU’s?

As of January 2020, all new structures including ADUs are required to have solar.


  • Do I need to provide parking if I do a garage conversion or a detached ADU?

As of January 2020, you do not have to provide parking space if you live within half a mile from public transit, however even if you do not live close to public transit, your driveway qualifies as a parking space.


  • Do I have to pay impact fees on my ADU?

As of January 2020, ADUs less than 750 SF will have the impact fee waived. If your ADU is over 750 SF fees will be made proportional to the square footage of your ADU. Which is a big drop from what it used to be.


  • What are the setback requirements?

As of January 2020, setbacks will be 4’ from the back and sides. If your city has less setback requirements then those requirements will apply.


  • What is the minimum lot size to build an ADU?

As of January 2020, there is no minimum lot size if your property meets all the other requirements. You also do not have to worry about floor area ratio, lot coverage and open space.


  • How many ADUs can I build on my property?

As of January 2020, you can build up to Two. One detached ADU and one attached JADU. Junior ADU is a small living unit created from a bedroom within the primary dwelling unit.