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Zoning and Development Standards m It is within the City's purview to designate zoning districts for ADUs and not permit them in all zoning districts. Lots must be zoned to allow single-family or multi-family use. • The City may regulate height, setbacks, landscaping, FAR, architectural review, maximum size of a unit, and impacts on properties listed in the California Register of Historic Places. • An ADU within an existing dwelling unit cannot exceed 50% of the existing living area, with the maximum area of any ADU being limited to 1,200 square feet. The City can require a minimum square-footage for attached and detached ADUs, as long as it permits the construction of an efficiency unit as defined in the Health and Safety Code. • Setbacks cannot be required when an existing garage is converted or when existing space (e.g., game room or office) above a garage is converted to an ADU. Rear and side yard setbacks of no more than five feet can be required when new space is added above a garage for an ADU, and setbacks only apply to the added space above the garage, not the existing garage. The ADU can be constructed wholly or partly above the garage. Parking • Parking requirements for an ADU shall not exceed one parking space per unit or per bedroom. These requirements may be satisfied by providing tandem parking or parking in setback areas unless determined to be infeasible based upon specific site characteristics, i.e., topography or fire and life safety conditions, or where off-street parking is not permitted anywhere else in the jurisdiction. • Parking for an ADU cannot be required if the ADU is: o located within a 1/2 mile of public transit. (Staff notes that the State statue does not define "public transit'; this topic is discussed later in the report); o located within an architecturally and significant historic district; o located in part of an existing primary residence or an existing accessory structure; o located in an area requiring on-street parking permits but they are not offered to ADU occupants; or o located within one block of a car share vehicle. • Replacement Parking: When a garage, carport, or covered parking is demolished or converted in conjunction with the construction of an ADU, replacement parking can be required if the converted or demolished parking space/area is required for the primary structure. The replacement space may be located in any configuration on the same lot as the ADU. The exact location of the space can be applied in a flexible manner, and should not burden the creation of ADUs. For example, configurations like tandem on existing driveways in setback areas or not requiring excessive distances from the street would be appropriate. P16-1900, Accessory Dwelling Units Planning Commission Page 3 of 8