What Is a Junior ADU? Advantages & Disadvantages

JADU is a small-size ADU that is perfect for smaller accommodations. This type of accommodation helps increase the value of your home and is typically built on an area of 500 square feet.

If you have limited space available in your home, you can build a detached Junior ADU to resolve the space issues in your home. This unit requires a separate entrance, an efficient kitchen, and sanitation facilities.

However, the owner should reside in the main residential unit to build this type of ADU on the property. If you are searching for a trusted contractor for your ADU construction Los Angeles then you can contact ADU Builders in Los Angeles.


Features of a JADU:

  • The maximum area required for JADU is 500 Ss. ft. and a minimum of 150 sq. ft.
  • JADU can be built on the same property where the house owner resides.
  • It can share a bathroom with the main residence
  • The owner must reside either in JADU or in a single-family residency.
  • The JADU must be attached to the main residency.
  • It must have a separate entrance/exit.
  • There should be a kitchen in JADU.
  • JADU does not require parking.


Advantages Of JADUs

JADU has a lot of advantages; one of the advantages of a Junior ADU is that it is easy and more affordable to build a JADU than other types of ADUs. Besides this, there are other benefits of a JADU which we can discuss here.

  • If you are planning to build a JADU then it can add extra square footage to your existing home. However, you have to follow the rules and regulations of your location to build a JADU on your property.
  • It can help you avoid impact fees
  • In some cities, JADU does not require building codes or fire codes, which can help you save a lot of bucks that you might spend o the permitting process.
  • A JADU can share sanitation and utilities with the main residential unit. This feature makes it affordable and easy to build a JADU on your property.
  • You can build a JADU in addition to an ADU where you can create a triplex on your single-family residency. This will help you get more rental benefits.
  • You can also other benefits from a JADU such as multi-generational housing, rental income opportunities, and great resale value of your property.
  • You can stay in your JADU and rent the primary home to get extra income, which can help you pay off your mortgage more quicker. Renting a full house can get you more rental income than renting a JADU.


Disadvantages Of JADUs

Besides the advantages, there are also some disadvantages of a JADU that might be considered while building one on your property. So, let us discuss the following disadvantages in detail.

  • There are owner occupancy regulations that do not allow you to stay outside the JADU or primary residence. In simple terms, you have to stay in the primary residence or JADU so that you do not face any legal hassles later.
  • You might spend a lot on permit costs, which makes your JADU more expensive. Obtaining permits can also be very time-consuming.
  • A JADU can be built on an area of only 500 sq. ft, which might restrict you to add designs and features to this unit.
  • There are also other disadvantages such as adding a kitchen and bathroom to your JADU if you want to build one on your property. The minimum area required is at least 150 Sq. Ft, which makes it difficult to add necessary amenities to the JADU.


JADU can be a great addition to your home if you are allowed to add one to your property. But, you have to abide by the rules and regulations that apply to your location while building a JADU on your property. If you are confused about the JADU rules and regulations then you can contact our professionals to avoid future legal hassles. Moreover, you can take their advice to plan the JADU unit properly so that it can serve your purpose.