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Welcome to our ADU Laws page
In California, Accessory Dwelling Units (ADUs) are regulated by state and local laws. ADUs are secondary dwelling units on the same property as a primary residence, and can be used for a variety of purposes, including rental income, additional living space, or as a home office.
In 2020, California passed a number of new laws aimed at increasing the production of ADUs across the state. Some of the key provisions of these laws include:
- The elimination of local ordinances that set minimum lot sizes for ADUs
- The creation of a streamlined approval process for ADUs
- The requirement that local governments allow ADUs in all residential zones
- The ability for homeowners to construct both an ADU and a Junior Accessory Dwelling Unit (JADU) on the same property
A JADU is a smaller ADU that must be no more than 500 square feet in size and created within an existing single-family home. JADUs can be used for rental income or as additional living space, but cannot be sold separately from the primary residence.
ADUs can be a valuable investment for homeowners, as they can generate rental income or increase the value of the property. Additionally, adding an ADU to a property can be a way to generate significant profits through flipping. However, it is important to note that the regulations governing ADUs vary by city and county in California, so it is important to research local laws and regulations before beginning construction on an ADU.