It's important to understand what goals you have for your ADU based on your property and budget, as well as determining if you will need to hire a designer, architect, or contractor to help through the process.
Familiarize yourself with the different types of ADUs
Brainstorm and write down project goals
Determine project team
There are several different ADU types, sizes, and configurations to consider depending on what fits on your property and your budget.
New Construction (Detached)
Newly constructed detached or stand-alone ADUs
Taking unused space, like a basement or an attic, and turning it into an ADU
Above Garage Conversion
Building an ADU above an existing garage
Newly constructed that are attached or an extension to a primary structure
Taking an existing garage and turning it into an ADU
Modular and Pre-Manufactured
Modular ADUs are built partially or entirely off site and delivered to the property
Who will live in your ADU over time?
What are your short-term needs versus your long-term goals?
Do you need more space for your adult children, aging parents, or family members?
Are you looking to age in place and downsize your current home?
How much privacy do you prefer between your ADU and primary residence?
Depending on the needs of your project, you may want to hire a designer, architect, or contractor to help guide you through the design, permitting and construction process.
Contractors oversee the construction process and are in charge of getting your project built. Click below for a list of licensed contractors in California.
Although not required, architects help create the design and construction drawings for your ADU. If you are interested in hiring an architect, click the link below for a list of licensed California architects.
You're ready for the next phase of the resource center! You'll learn about the design, financial, and application process of an ADU through Steps 3, 4, and 5.