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Program 6.3: Consider allowing second units without an Administrative Design Review process in new single - family developments, subject to performance standards, and consider reducing the existing Second Unit Ordinance requirements, such as the parking and height limit requirements, to encourage the development of second units, and consider other measures to promote the creation of second units. Second units, also known as granny flats and in -law apartments, are considered a beneficial form of housing provided they are constructed legally and meet development standards. As the names imply, a common use for this type of housing is on -site independent living space for family members or aging relatives. They can also serve as convenient housing for care providers for families with children or for disabled or elderly homeowners who wish to stay in their homes. Other benefits include providing a source of affordable housing for renters while maintaining lower density residential neighborhoods, and providing rental income to offset the cost of buying or owning a home. Unlike a duplex, a second unit is subordinate to the one - family dwelling in both function and design. They are smaller than the primary dwelling and cannot be subdivided or sold separately. California Government Code Section 65852.2 (Exhibit B) provides for the development of second units and establishes maximum standards that local agencies must use in evaluating proposed second units. Pleasanton's existing second unit regulations are in conformance with state law, as is this proposed amendment. DISCUSSION Program 6.3 of the housing element requires consideration of changes to regulations in order to facilitate the development of second units. Upon reviewing the city's current standards applicable to second units (see Exhibit A), staff proposes an exception to the 15 -foot height limit to enable construction above a detached garage. This change would allow greater flexibility for accommodating a second unit with minimal impacts to neighboring properties. The garage with second unit above would not be allowed to exceed 25 feet in height and would remain subject to setback requirements as follows: Lots in R -1- 40,000: 20' side yard 20' rear yard All other lots: 5' side yard, except 10' on street side of a corner lot 10' rear yard Otherwise, staff found the current second unit standards to be generally reasonable and necessary to maintain the character of lower density neighborhoods. The proposed Case No. P13 -2097, City of Pleasanton Planning Commission Page 2 of 4