6.6.3. RESIDENTIAL USES

      The buildings used for an accessory use to a residential use shall comply with the following:

      A.   An accessory building may be a building that is used as sleeping quarters by the residents of the dwelling unit in accordance with Sections 6.6.1.A and B. The sleeping quarters may include bedrooms , bathrooms, and a sitting room, provided the building complies with Section 6.6.1.C and is not the dominant use of the property;

      B.   An accessory dwelling unit may be used as living quarters in accordance with Sections 6.6.1.A. and B. Two accessory dwelling units are permitted per parcel developed with a Family Dwelling as defined in Section 11.3.7.A., with the exception of a Multifamily Development . A parcel developed with a duplex is permitted one accessory dwelling unit . The accessory dwelling unit may include a kitchen, bedrooms , bathrooms, and a sitting room, provided the building complies with Section 6.6.1.C. and is not the dominant use of the property. The following standards apply to these accessory dwelling units :

         1.   Accessory dwelling units are not subject to maximum residential density standards per Section 6.3.4.

         2.   On a lot or parcel of more than one acre in size, one further accessory dwelling unit is permitted in addition to those permitted per UDC 6.6.3.B., if at least one accessory dwelling unit on the lot or parcel is a restricted affordable dwelling unit , as defined in 11.4.2. The affordable unit must be deed restricted and proof must be provided as a condition of the building permit.

         3.   Vehicular parking is not required to be provided for accessory dwelling units .

         4.   If the accessory dwelling unit is built as a new structure it must be developed with a high albedo level (>60 SRI) or other cool roof technology per the ICC Green Construction Code.

         5.   An accessory dwelling unit is limited to 75% of the gross floor area of the principal dwelling, not to exceed 1,000 square feet of gross floor area . An accessory dwelling unit may be up to 650 square feet of gross floor area , regardless of the size of principal dwelling.

         6.   The minimum side and rear yard setback for an accessory dwelling unit is five feet.

         7.   Except as specified above, an accessory dwelling unit shall be developed in accordance with the dimensional standards of the principal land use.

         8.   Accessory dwelling units proposed within an overlay zone or other zoning area with specific design processes or guidelines, shall be subject to those regulations when no more restrictive than those applicable to single-family dwellings in that overlay and are no more restrictive than the entirety of UDC 6.6.3.B.

         9.   Accessory dwelling units are not required to match the exterior design, roof pitch or finishing materials of the single-family dwelling that is located on the same lot as the accessory dwelling unit .

         10.   If an established and occupied family dwelling proposes one or more accessory dwelling units in accordance with UDC 6.6.3.B., the lot or parcel shall not require a commercial site plan per UDC 3.3.3.G., be considered a multifamily development, require commercial development standards, or require improvements to public streets other than repairs due to construction activity.

      C.   Detached accessory buildings , including accessory dwelling units , are not permitted in the buildable area extending the full width of the lot between the principal building and the front street lot line , except for shade structures or carports not over 400 square feet in floor area , terraces and steps not over three feet high above the natural grade , paved areas, and fences or walls.

      D.   Accessory structures , except for accessory dwelling units , shall not exceed 12 feet in height, unless attached to a principal structure . If attached to the principal structure , maximum height permitted shall be the same as for the principal structure .

(Am. Ord. 11070, 5/14/2013; Am. Ord. 11890, 12/7/2021; Am. Ord. 11996, 3/21/2023; Am. Ord. 12131, 10/22/2024)