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6.5.1.   ONE OR MORE , SEPARATE
   One or more conducted as separate on a is considered individually in determining the respective Classes and dimensional standards
6.5.2.   TWO OR MORE , SAME
   Two or more conducted as a single , which integrates elements of the various uses, such as, but not limited to, vehicular parking, vehicular and pedestrian access, refuse collection, and loading services, as among the various uses in the , shall have dimensional standards applied as follows:
   A.   Two or More Uses, Same Dimensional Standards
   On with two or more uses that have the same dimensional standards, the dimensional standard requirements shall be applied on the as if there were only one use.
   B.   Two or More Uses, Different Dimensional Standards
    without a residential component shall calculate the residential (RAC), and the minimum standards separately for the residential use. All other uses shall use the dimensional standards of the having the least restrictive dimensional standards.
6.6.    , , AND
    and are permitted in all . Those and associated with and to a principal are accessory and subject to the provisions described below.
6.6.1.   
   In all , an shall comply with the following:
   A.   The use shall be incidental or secondary to the and is located on the same as the ;
   B.   The use shall be intended for the occupants, residents, customers, employees, lessees, or guests of the ;
   C.   The use shall not substantially alter the exterior appearance or character of the or to which it is ; and,
   D.    may be kept for personal use in all subject to Tucson Code, Chapter 4, and any applicable health regulations.
   E.   Medical Marijuana Designated Caregiver Cultivation Location
      1.   A designated caregiver may cultivate at their residence for a single qualifying patient subject to compliance with A.R.S. § 36-2806.01;
      2.   All conditions and restrictions for medical marijuana dispensary off- cultivation locations apply except that the designated caregiver cultivation location cultivation area is limited to a total 250 square feet maximum, including any storage areas; and,
      3.   More than one designated caregiver may co-locate cultivation locations as long as the total cultivation area does not exceed 250 square feet maximum, including storage areas.
   F.   Medical Marijuana Qualifying Patient Cultivation Location:
      1.   A qualifying patient may cultivate at their place of residence subject to compliance with A.R.S. § 36-2806.01; and,
      2.   A qualifying patient, cultivating marijuana, shall comply with all lawful, applicable health regulations, including those promulgated by the Arizona Department of Health Services and any other authorized regulatory agency.
(Am. Ord. 11890, 12/7/2021)
6.6.2.   ACCESSORY AND
   In all , the used for shall comply with the following:
   A.   The standards of this Section 6.6.2 apply in all to used for , except as noted in the following:
      1.   A if five feet or less in height and ten square feet or less in area, such as a doghouse, a refuse container enclosure, or play equipment.
      2.    A shelter for if six feet or less in height and 16 square feet or less in area.
   B.   An accessory shall be built only on a occupied by a principal or use;
   C.   An accessory shall be developed in accordance with the dimensional standards of the principal , except as provided by this section and, when applicable, Sections 6.6.3, Residential Uses, and 6.6.5, Uses and Activities;
   D.   An , except for an accessory , that exceeds the allowable height of a wall within a and is detached from a principal shall comply with the width standards of the principal , except that the may be built to a parcel line with the consent of the or, when separated by an alley, property owner(s) or as permitted by Section 6.6.5, Uses and Activities;
   E.    , such as light poles, flagpoles, and other tall and narrow that are similar, shall be exempt from the requirement. Amateur radio towers are exempt from the requirement and are allowed to a maximum height of 100 feet;
   F.   An accessory , except for a stable or enclosure for , may be attached to a principal , provided that its construction complies with the requirements of the principal ;
   G.   The use of solar energy collectors for the purpose of providing energy for heating or cooling shall be permitted in all , whether as part of a principal or as an accessory . Such solar collection devices shall not be included in computing ;
   H.   All for livestock and other large farm such as ratites, as defined in the Tucson Code Chapter 4, and , shall be set back at least 50 feet from all , except corrals that shall be set back ten feet from all . In addition, the proximity of corrals and barns or other for large farm from a on property shall be in accordance with Tucson Code Chapter 4, Section 4-27;
   I.   The maximum of a wall or fence within a shall be six feet; however, the wall or fence may be higher than six feet, but no higher than ten feet, if: (See Figure 6.6.1-A, Height of Wall or Fence within a Side or Rear .)
      1.   At least 75% of the area above six feet in height is left unobstructed and open through the use of architectural elements, such as arches, columns, or wrought iron;
      2.   Part of, or located on top of, a retaining wall no higher than ten feet measured from and no higher than six feet measured from the top of the retaining portion of the wall;
      3.   A greater height is required through the rezoning process or the special exception process; or,
      4.   A greater height is required by a specific standard.
   J.   In nonresidential , walls or fences, as permitted in Section 6.6.2.I above, may exceed the height standards, provided the wall or fence complies with the standards applicable to on the ;
   K.    , , and are not required to provide additional parking, and screening, or loading spaces beyond what is required of the .
Figure 6.6.1-A: Height of Wall or Fence Within a Side or Rear
(Am. Ord. 11171, 5/20/2014; Am. Ord. 11328, 12/8/2015; Am. Ord. 11890, 12/7/2021)
6.6.3.   RESIDENTIAL USES
      The used for an to a residential use shall comply with the following:
      A.   An accessory may be a that is used as sleeping quarters by the residents of the in accordance with Sections 6.6.1.A and B. The sleeping quarters may include , bathrooms, and a sitting room, provided the complies with Section 6.6.1.C and is not the dominant use of the property;
      B.   An accessory may be used as living quarters in accordance with Sections 6.6.1.A. and B. Two accessory are permitted per developed with a Dwelling as defined in Section 11.3.7.A., with the exception of a Multifamily . A developed with a duplex is permitted one accessory . The accessory may include a kitchen, , bathrooms, and a sitting room, provided the complies with Section 6.6.1.C. and is not the dominant use of the property. The following standards apply to these accessory :
         1.   Accessory are not subject to maximum residential standards per Section 6.3.4.
         2.   On a lot or of more than one acre in size, one further accessory is permitted in addition to those permitted per UDC 6.6.3.B., if at least one accessory on the or is a restricted affordable , 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 .
         4.   If the accessory is built as a new 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 is limited to 75% of the of the principal dwelling, not to exceed 1,000 square feet of . An accessory may be up to 650 square feet of , regardless of the size of principal dwelling.
         6.   The minimum side and rear yard setback for an accessory is five feet.
         7.   Except as specified above, an accessory shall be developed in accordance with the dimensional standards of the principal land use.
         8.   Accessory 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 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 .
         10.   If an established and occupied family dwelling proposes one or more accessory in accordance with UDC 6.6.3.B., the or 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 , including accessory , are not permitted in the extending the full width of the between the principal and the front , except for shade structures or not over 400 square feet in , and steps not over three feet high above the , paved areas, and fences or walls.
      D.    , except for accessory , shall not exceed 12 feet in height, unless attached to a principal . If attached to the principal , maximum height permitted shall be the same as for the principal .
(Am. Ord. 11070, 5/14/2013; Am. Ord. 11890, 12/7/2021; Am. Ord. 11996, 3/21/2023; Am. Ord. 12131, 10/22/2024)
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