City Council Study Session Agenda and Packet 2022 11 07

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SUBJECT: STUDY SESSION — ACCESSORY DWELLING UNITS DATE: NOVEMBER 7, 2022 PAGE 2 OF 8 Many cities in the Denver Metro area allow ADUs as a way to achieve policies on affordable housing, multigenerational housing options, expanding housing choice, and the ability to age in place. The City of Louisville does not currently allow ADUs in any zone district. Further resources and policy guides on ADUs can be found at the following link: https://planning.org/knowledgebase/accessorydwellings/ DISCUSSION: This section will summarize some of the most common policy considerations in developing an ADU ordinance followed by a summary of ADU ordinances from surrounding jurisdictions. Further resources and policy guides on ADUs can also be found at the following link: https://planning.org/knowledgebase/accessorydwellings/ ADU Policy Considerations In developing an ordinance for the regulation of ADUs the following are common elements of such regulations and concepts the City Council may want to consider if an ADU ordinance is developed: • Where ADUs are allowed (minimum lot size/appropriate zone districts) • Size limitation of ADUs • Location of ADU on the lot • Design standards for ADUs • Spacing/saturation or limitation on number of ADUs within a neighborhood • Owner occupancy requirements • Occupancy limitations for ADUs • Parking requirements • Utilities and water and sewer taps • Deed restriction and registration • Affordable housing and affordable housing incentives • Historic preservation incentives UJI i 4Z_N_'1911 11 •[1T _ 0 Some communities will limit ADUs to certain neighborhoods or zone districts, while others allow ADUs in any single-family zone district in the city. In reviewing the attached ordinances from surrounding jurisdictions, the cities of Boulder, Broomfield and Golden allow ADUs in all or most single-family residential districts, while other communities, such as Lafayette, Superior and Arvada limit ADUs to certain zone districts or overlay districts. Some regulations also require minimum lot areas of at least 5,000 sq. ft. to ensure there is adequate lot area for the additional unit. CITY COUNCIL COMMUNICATION 3