Millbrae Accessory Dwelling Unit (ADU) Standards
INFORMATION | |
Contact |
Planning Division – 650-259-2341 |
Website | |
ADU Ordinance |
Millbrae does not have an ordinance governing ADUs, so state law applies. |
STANDARDS | |
Zones allowed |
All residential zones with an existing single-family residence
|
Lot restrictions |
None |
Minimum lot size |
None |
Min / Max ADU size |
150 sf / 1,200 sf or 50% of the main dwelling, whichever is less |
ADU building height |
No restrictions |
Setbacks |
Must have sufficient setbacks for fire safety |
Parking requirements |
No parking is required |
Owner occupancy |
No requirement |
Fees |
The exact amount of fees varies depending on the specifics of the proposal. In addition, there are various services provided by other districts, such as fire, sanitary, water, and schools that may assess a fee. |
Other requirements |
|
Process |
Building permit review required. Making an appointment to meet with a planner in the initial stages of the project can help avoid challenges and is highly recommended. |
Exceptions |
None |
Disclaimer: standards and process may vary. Consultation with the contact is recommended before starting any project.
Download ADU Standards PDF
Updated: 12/11/2017