Coastal Accessory Dwelling Units

An accessory dwelling unit (ADU) also known as "secondary unit," or "granny flat," is a residential unit that can be added to a lot with an existing single-family home or multi-family dwellings. The County offers two types of ADU applications: Standard and Pre-reviewed. This guide serves to help determine whether an ADU can be established on a parcel or lot ("site") under the County ADU Ordinance (Inland Areas).