The Residential Use Group includes Classes and Types that are residential on a nontransient basis. The following Classes, Types, and examples constitute the Residential Use Group.
   A.    Dwelling
   The occupancy (habitation) of a permanent or on a or by one or more individuals holding the under common property rights, living together as a single , and using common . Typical uses include attached or detached dwellings and single- or multiple- dwellings.
      1.   Duplex
      A containing two on a single or .
      2.   Manufactured Housing
      A multisectional mobile home dwelling manufactured after June 15, 1976, to standards established by the U.S. Department of Housing and Urban Development that has external dimensions of at least 24 feet by 40 feet and is installed on a permanent foundation. A manufactured housing unit is considered equivalent to a single- dwelling. To be considered a manufactured housing unit under this , a wall must be installed continuously, except for ventilation and access, along the entire perimeter of the unit between the unit and the ground to give it the appearance of a -built house. The wall must be of masonry construction or similar material. The tongue, axles, transporting lights, and towing apparatus must be removed before occupancy.
      3.   Multifamily
      Any residential consisting of three or more on an integrated or single .
      4.   Single- Dwelling, Attached
      A attached on a horizontal plane to one or more by structural elements common to the attached units. Each is located on its own individual or separated by a line denoting a separate ownership of each unit. The structural elements include common wall construction, roof, or other similar improvement. Elements such as trellises, beams, and patio walls are not included. Single- dwelling, attached is not shown as a permitted use in any (Sections 4.8.3 through 4.8.8, Permitted Uses); however, the use may be developed upon approval a modification in accordance with Section 3.11.1, Design Development Option, for up to two units, and Section 8.7.3, Flexible Lot Development, for of more than two units.
      5.   Single- Dwelling, Detached
      A that is not attached to any other by any structural elements, surrounded by and located on its own separate .
   B.   Group Dwelling
   The residential occupancy of a permanent by five or more unrelated or by one or more individuals where the individual or group of individuals has the exclusive right of occupancy of a . Typical uses include fraternities; sororities; convents; dormitories; college student rentals; rooming and boarding; boarding houses, not primarily for travelers; and apartments where individual are separately leased. Related include related by blood, marriage, domestic partnership as defined in Tucson City Code Chapter 17, Article IX or a legal custodial relationship.
      1.   Fraternity or Sorority
      A housing five or more student residents belonging to an organization created for scholastic, professional, or extracurricular activities, associated or formally organized for a common purpose. These organizations are typically recognized by universities as legally chartered fraternities or sororities.
   C.   Mobile Home Dwelling
   A nonmotorized dwelling, transportable in one or more sections, constructed on a permanent chassis with wheels, suitable for year-round residential occupancy and requiring the same method of water supply, waste disposal, and electrical service as a -built dwelling. Mobile home does not mean a . Manufactured housing units that do not meet the criteria provided in Section 11.3.7.A.5, Manufactured Housing, and house trailers are considered mobile home dwellings.
      1.   Mobile Home Park
      A comprised of three or more mobile homes or manufactured housing units, or both dwelling types, that are designed to function as a residential community. The entire may be owned by a single entity and rented to individual users or have multiple ownership with each sold to individual property owners. The park may or may not have commonly-owned facilities.
   D.   Residential Care Services
   Residential facilities that provide lodging, , and treatment to who are unable to be cared for as part of a single . This use includes group homes and institutional living arrangements with 24 hour care. Residential Care Services are divided into the following types: Adult Care Service; Physical and Behavioral Health Service; Rehabilitation Service; and Shelter Care. The types are exclusive of each other.
      1.   Adult Care Service
      A Residential Care Service providing lodging, , supervision, and other support services to elderly or physically disabled individuals not related to the owner/manager of the facility. Typical uses include adult care homes, adult care facilities, and supervisory care facilities.
      2.   Physical and Behavioral Health Service
      A Residential Care Service providing lodging, , treatment, counseling, and supervision to with behavioral disorders or developmental disabilities or to physically disabled individuals not related to the owner/manager of the facility. Typical uses include group homes for the developmentally disabled, group homes for the , specialized treatment homes, group foster homes, and recovery homes for substance abusers. This category does not include facilities used for penal or correctional purposes or for adjudicated delinquents other than .
      3.   Rehabilitation Service
      A Residential Care Service providing lodging, , counseling, treatment, and rehabilitation to adjudicated delinquents.
      4.   Shelter Care
      A Residential Care Service providing lodging on a temporary basis, , and counseling to homeless , pregnant teenagers, victims of domestic violence, and children who need full-time supervision, including those who are neglected, runaways, or .