Guide to ADUs
Understand the basics of ADUs and the building process in Los Angeles County.
What is an ADU?
An Accessory Dwelling Unit (ADU)—also known as a granny flat, backyard home, or garage conversion—is a secondary residential unit with a kitchen and bathroom that is an accessory to the primary home.
Self-Assessment
When deciding whether to build an ADU, consider the following questions:
Are you comfortable having tenants living on your property—whether they are family or renters?
Do you have experience or interest in being a landlord?
How much will building your ADU cost?
How do you plan to finance your ADU’s construction?
Do you have enough money to ensure you can complete the project if there are unexpected costs during construction?
What funding sources are available?
What are some of the upfront costs of permitting an ADU in your jurisdiction?
What state and local regulations do you need to consult?
What experience do you have with contractors?
Do you know where to find a reputable architect?
Do you have a design in mind that aligns with your projected budget?
This website can help you answer some of these questions. Ready? Let's get started.