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|What is an ADU?||An additional, accessory dwelling unit on a lot with an existing principal unit added to or created for use as a complete, independent or semi-independent living unit with provisions for cooking, eating, sanitation and sleeping.|
|What areas of the City are ADUs permitted?||An ADU may be permitted anywhere a new or existing single-family dwelling unit is allowed. ADUs are exempt from the density requirements of the underlying zone.|
|What is the maximum size of an ADU (square footage)?||An ADU is limited to one thousand (1,000) square feet or not more than sixty (60) percent of the principal unit’s total habitable floor area, whichever is greater.
|How many ADUs can a property have?||Each property can have a one (1) single family home and two (2) ADUs, for a maximum total of three (3) dwelling units. These ADUs can be either detached or attached to the single family home.|
|Must the owner live on site?||No, owner occupancy is not required.|
|Is parking required for an ADU?||The first ADU is not required to provide an additional off-street parking space. The site must comply with Chapter 20.48 BMC - that means the two (2) paved parking spaces for the single family home must be provided. A 2nd ADU must provide an additional paved parking space, for a total of three (3) spaces.|
|What are the required yards (setbacks & development coverage)?||In the R-10 zone, the minimum front and rear yard setbacks are 15 feet, and the side yard setbacks are 5 feet. Contact a Planner to determine your zone.
An ADU must comply with the development standards of the underlying zone for the principal unit including setbacks, height, and lot coverage. However:
|What are the design standards for ADUs?||ADUs must preserve the appearance of the main house as a single-family dwelling,and the design of an ADU should blend into the existing house or the neighborhood. That means no duplex-like designs, and nothing that sticks out like a sore thumb. Try to design an ADU so that the materials used complement the design of the main house.|