RESIDENTIAL USE GROUP

Tucson Unified Development Code § 11.3.7

in effect

11.3.7. RESIDENTIAL USE GROUP The Residential Use Group includes Land Use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. Classes and Land Use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. Types that are residential on a nontransient basis. The following Land Use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. Classes, Land Use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. Types, and examples constitute the Residential Use Group. A. Family Family Any number of individuals customarily living together as a single household and using common cooking facilities. Dwelling The occupancy (habitation) of a permanent structure Structure A physical element constructed or erected with a fixed location on the ground or attached to another physical element having a fixed location at, below, or above grade. Structures include such elements as, but are not limited to, buildings, paved areas, walls, fences, posts, and patios. or structures Structure A physical element constructed or erected with a fixed location on the ground or attached to another physical element having a fixed location at, below, or above grade. Structures include such elements as, but are not limited to, buildings, paved areas, walls, fences, posts, and patios. on a lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. or parcel Parcel The same as “lot.” The term “parcel” is generally listed to describe a piece of property recorded as a division of land by a metes and bounds description and may or may not be a part of a subdivision plat. In a project where a division of land is proposed, each proposed division is considered a lot for the purpose of applying the requirements of the zoning ordinance. by one or more individuals holding the dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. under common property rights, living together as a single household Household A family living together in a dwelling unit, with common access to, and use of, all living, eating, kitchen, and storage areas within the dwelling unit. , and using common cooking facilities Cooking Facility An area containing facilities for the storage, cooking, or preparation of food, is accessory to a principal use, and may be located in an enclosed or unenclosed area. An example of a cooking facility is an outdoor cooking station that includes a barbeque grill and refrigerator. . Typical uses include attached or detached dwellings and single-family Family Any number of individuals customarily living together as a single household and using common cooking facilities. or multiple-family Family Any number of individuals customarily living together as a single household and using common cooking facilities. dwellings. 1. Duplex A building Building A structure having a roof supported by columns, posts, or walls and intended for the shelter, housing, or enclosure of any person, entity, animal, process, equipment, goods, or materials of any kind or nature. containing two dwelling units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. on a single lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. or parcel Parcel The same as “lot.” The term “parcel” is generally listed to describe a piece of property recorded as a division of land by a metes and bounds description and may or may not be a part of a subdivision plat. In a project where a division of land is proposed, each proposed division is considered a lot for the purpose of applying the requirements of the zoning ordinance. . May be attached or detached. 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-family Family Any number of individuals customarily living together as a single household and using common cooking facilities. dwelling. To be considered a manufactured housing unit under this UDC Unified Development Code (UDC) Chapter 23B of the Tucson Code as adopted by the Mayor and Council establishing zoning regulations governing the use, placement, spacing, and size of land and structures within the corporate limits of the City. Such regulations are applied on individual properties through the use of zoning districts. The boundaries of these districts are depicted on the adopted City Zoning Maps. For the purposes of convenience and ease of use, the UDC is also published as a separate book from the Tucson Code. , 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 site Site The land area consisting of a portion of a lot, an entire lot, or contiguous lots, not including dedicated public property, designated for development as a single entity. -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. Middle Housing A building Building A structure having a roof supported by columns, posts, or walls and intended for the shelter, housing, or enclosure of any person, entity, animal, process, equipment, goods, or materials of any kind or nature. or buildings with two to four dwelling units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. on a site Site The land area consisting of a portion of a lot, an entire lot, or contiguous lots, not including dedicated public property, designated for development as a single entity. , including townhomes, excluding Accessory Dwelling Units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. . 4. Multifamily Development Development Any human alteration to the state of land, including its vegetation, soil, geology, or hydrology, for any residential, commercial, industrial, utility, or other use, such as, but not limited to, clearing, grubbing, or grading of land, and structural improvements, e.g., buildings, walls, fences, signs, and vehicular use areas. Any residential development Development Any human alteration to the state of land, including its vegetation, soil, geology, or hydrology, for any residential, commercial, industrial, utility, or other use, such as, but not limited to, clearing, grubbing, or grading of land, and structural improvements, e.g., buildings, walls, fences, signs, and vehicular use areas. consisting of three or more dwelling units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. on an integrated site Site The land area consisting of a portion of a lot, an entire lot, or contiguous lots, not including dedicated public property, designated for development as a single entity. or single lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. . 5. Single-Family Family Any number of individuals customarily living together as a single household and using common cooking facilities. Dwelling, Attached A dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. attached on a horizontal plane to one or more dwelling units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. by structural elements common to the attached units. Each dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. is located on its own individual lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. 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. The interior perimeter yard between units in a unified development may be reduced to 0 (zero) feet. 6. Single-Family Family Any number of individuals customarily living together as a single household and using common cooking facilities. Dwelling, Detached A dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. that is not attached to any other dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. by any structural elements, surrounded by open space Open Space Open space is the aggregate of “natural undisturbed open space (NUOS),” “natural open space” and “functional open space.” and located on its own separate lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. . 7. Accessory Dwelling A dwelling unit Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. that is either: (a) detached, located on a lot Lot A tract of land bounded on all sides by property lines, of sufficient size to meet minimum zoning standards, with legal access to a public street. with a primary single-family dwelling, or (b) attached to a single-family dwelling. Accessory dwelling units Dwelling Unit A building or portion of a building that is designed, occupied, or intended for occupancy as living quarters exclusively for a single household, which includes one or more rooms, with sleeping and sanitary facilities and one enclosed kitchen. One accessory cooking facility per dwelling unit is permitted. are independent units and may include a kitchen, bedrooms Bedroom The term bedroom includes all of the following: 1) Any room that is designated as a bedroom; 2) Any enclosed room that has a minimum area of 60 square feet and has an accessible opening to the exterior of the building in compliance with the International Building Code (IBC), whether termed a studio, family room, study, den, bonus room, or any other name, except for a living room, dining room, kitchen, and bathrooms; and 3) Any room designated as a bedroom for the purpose of any other code requirement. , bathrooms, and a sitting room. B. Group Dwelling The residential occupancy of a permanent structure Structure A physical element constructed or erected with a fixed location on the ground or attached to another physical element having a fixed location at, below, or above grade. Structures include such elements as, but are not limited to, buildings, paved areas, walls, fences, posts, and patios. by five or more unrelated persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. or by one or more individuals where the individual or group of individuals has the exclusive right of occupancy of a bedroom Bedroom The term bedroom includes all of the following: 1) Any room that is designated as a bedroom; 2) Any enclosed room that has a minimum area of 60 square feet and has an accessible opening to the exterior of the building in compliance with the International Building Code (IBC), whether termed a studio, family room, study, den, bonus room, or any other name, except for a living room, dining room, kitchen, and bathrooms; and 3) Any room designated as a bedroom for the purpose of any other code requirement. . Typical uses include fraternities; sororities; convents; dormitories; college student rentals; rooming and boarding; boarding houses, not primarily for travelers; and apartments where individual bedrooms Bedroom The term bedroom includes all of the following: 1) Any room that is designated as a bedroom; 2) Any enclosed room that has a minimum area of 60 square feet and has an accessible opening to the exterior of the building in compliance with the International Building Code (IBC), whether termed a studio, family room, study, den, bonus room, or any other name, except for a living room, dining room, kitchen, and bathrooms; and 3) Any room designated as a bedroom for the purpose of any other code requirement. are separately leased. Related persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. include persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. 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 building Building A structure having a roof supported by columns, posts, or walls and intended for the shelter, housing, or enclosure of any person, entity, animal, process, equipment, goods, or materials of any kind or nature. 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 site Site The land area consisting of a portion of a lot, an entire lot, or contiguous lots, not including dedicated public property, designated for development as a single entity. -built dwelling. Mobile home does not mean a recreational vehicle Recreational Vehicle (R.V.) A unit designed to provide travelers’ accommodations built into, as an integral part of, or attached to a self-propelled motor vehicle chassis or drawn by a motor vehicle. The unit contains permanently installed independent support systems that provide at least four of the following facilities: cooking, refrigerator or ice box, self-contained toilet, heating, air conditioning, a portable water supply system including a faucet and sink, a separate 110-125 volt electrical power supply, or an LP gas supply. . 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 development Development Any human alteration to the state of land, including its vegetation, soil, geology, or hydrology, for any residential, commercial, industrial, utility, or other use, such as, but not limited to, clearing, grubbing, or grading of land, and structural improvements, e.g., buildings, walls, fences, signs, and vehicular use areas. 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 development Development Any human alteration to the state of land, including its vegetation, soil, geology, or hydrology, for any residential, commercial, industrial, utility, or other use, such as, but not limited to, clearing, grubbing, or grading of land, and structural improvements, e.g., buildings, walls, fences, signs, and vehicular use areas. may be owned by a single entity and rented to individual users or have multiple ownership with each mobile home space Mobile Home Space An area of a mobile home park with a pad and utility pedestal that is rented or sold for the placement of a mobile home and for the exclusive use of the occupants of the mobile home. sold to individual property owners. The park may or may not have commonly-owned facilities. D. Residential Care Services Residential facilities that provide lodging, meals Meal For the purposes of applying Section 4.9.4.V, a “meal” means the usual assortment of foods commonly ordered at a restaurant at various hours of the day. , and treatment to persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. who are unable to be cared for as part of a single household Household A family living together in a dwelling unit, with common access to, and use of, all living, eating, kitchen, and storage areas within the dwelling unit. . This use includes group homes and institutional living arrangements with 24 hour care. Residential Care Services are divided into the following land use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. types: Adult Care Service; Physical and Behavioral Health Service; Rehabilitation Service; and Shelter Care. The land use Land Use A description of the existing or proposed occupancy or utilization of land that include the principal use and accessory uses. types are exclusive of each other. 1. Adult Care Service A Residential Care Service providing lodging, meals Meal For the purposes of applying Section 4.9.4.V, a “meal” means the usual assortment of foods commonly ordered at a restaurant at various hours of the day. , 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, meals Meal For the purposes of applying Section 4.9.4.V, a “meal” means the usual assortment of foods commonly ordered at a restaurant at various hours of the day. , treatment, counseling, and supervision to persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. 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 seriously mentally ill Seriously Mentally Ill Person One as defined in A.R.S. §36-550. The determination is to be made by an individual qualified in the State of Arizona to make such evaluation. , 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 status offenders Status Offender A youth of juvenile court age who is under the jurisdiction of a court for offenses that are unlawful for children but not unlawful for adults. It is the status of childhood that allows children to be status offenders. . 3. Rehabilitation Service A Residential Care Service providing lodging, meals Meal For the purposes of applying Section 4.9.4.V, a “meal” means the usual assortment of foods commonly ordered at a restaurant at various hours of the day. , counseling, treatment, and rehabilitation to adjudicated delinquents. 4. Shelter Care A Residential Care Service providing lodging on a temporary basis, meals Meal For the purposes of applying Section 4.9.4.V, a “meal” means the usual assortment of foods commonly ordered at a restaurant at various hours of the day. , and counseling to homeless persons Person Any individual as well as any firm, corporation, partnership, company, or any other form of multiple organization for the carrying on of business. , pregnant teenagers, victims of domestic violence, and children who need full-time supervision, including those who are neglected, runaways, or status offenders Status Offender A youth of juvenile court age who is under the jurisdiction of a court for offenses that are unlawful for children but not unlawful for adults. It is the status of childhood that allows children to be status offenders. . (Am. Ord. 11890, 12/7/2021; Am. Ord. 11996, 3/21/2023; Am. Ord. 12219, 12/16/2025)

Source: City of Tucson, Tucson Code (Charter and General Ordinances) and Unified Development Code (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/tucson/latest/tucson_az_udc/0-0-0-7371Fetched: 10/28/2026