DEFINITIONS - U
Tucson Unified Development Code § 11.4.22
in effect11.4.22. DEFINITIONS - U
Undisturbed Natural Desert
An area of land maintained in its original condition with natural desert cover, native topography, and native vegetation
Native Vegetation
Plants indigenous to the site and to areas contiguous to the site.
intact.
Unified Development Code (UDC)
Chapter 23 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
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.
within the corporate limits of the City
City
Same as City of Tucson.
. Such regulations are applied on individual properties through the use of zoning districts
Zoning District
Designated areas that are zones and/or districts.
In a Planned Community District (PCD), a zoning district is an area within a Development Area (DA) comparable to a zoning district established by the UDC, containing one or more land uses and for which the Development Guidelines and Standards in the Master Development Plan (MDP) may be established as provided in Section 2-05.3.2.A.4 of the Administrative Manual.
. The boundaries of these districts are depicted on the adopted City Zoning Maps
City Zoning Maps
A set of maps that is part of the Unified Development Code (UDC) that depicts all zoning boundaries delineating the zoning classifications applicable to all property within the City limits.
. For the purposes of convenience and ease of use, the 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.
is also published as a separate book from the Tucson Code.
Unoccupied (7A)
A premises or structure:
A. That is not occupied, or
B. That is not being put to those uses authorized by the last business privilege license issued by the City of Tucson for that address and business, or
C. Where the public utilities are not in service.
Upland Vegetation
Refers to vegetation that grows outside of the floodplain, typically on low desert slopes
Slope
An inclined ground surface the inclination of which is expressed as a ratio of horizontal distance to vertical distance.
. Upland vegetation on south-facing slopes
Slope
An inclined ground surface the inclination of which is expressed as a ratio of horizontal distance to vertical distance.
typically includes the Foothill Palo Verde, Saguaro, and Ocotillo; on north facing slopes
Slope
An inclined ground surface the inclination of which is expressed as a ratio of horizontal distance to vertical distance.
, it typically includes the Foothill Palo Verde and Whitethorn Acacia. Some plants, such as Mesquites, are able to grow as upland and riparian
Riparian
Land adjacent to or within washes and drainageways that is occupied by biotic communities differing in species composition and/or density from surrounding upland due to an increase in moisture and different soil conditions.
vegetation.
Urban Agriculture
The practice of producing food locally through the cultivating, processing, distributing, selling, or gleaning
Glean(ing)
The act of gathering grain or the like after the reapers or regular gatherers.
of agricultural products and other related activities in the City
City
Same as City of Tucson.
and may involve horticulture, aquaculture, and animal
Animal
Any fowl, reptile, insect, amphibian or mammal, except human beings.
husbandry.
Utilities
Services such as gas, electric, water, telephone, and cable television.
(Am. Ord. 11328, 12/8/2015; Am. Ord. 11508, 12/5/2017)
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/0-0-0-8228Fetched: 10/28/2026
