CHANGE IN NONCONFORMING STATUS
Tucson Unified Development Code § 9.2.5
in effect9.2.5. CHANGE IN NONCONFORMING STATUS
When a substitute use is allowed in a zoning district
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.
that is a more restrictive zone
Zone
A specifically designated area within which uniform regulations govern the use, placement, spacing, and size of land and buildings. Examples include R-1 residential zone and overlay zones such as the Historic Preservation Zone. It is also referred to as a zoning district.
than the zoning district
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.
in which the existing nonconforming use
Nonconforming Use
An existing land use activity lawfully established and maintained which no longer complies with land use standards of the Unified Development Code (UDC) applicable to the zoning category in which the land use activity is located.
is first allowed, the nonconforming status for that 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.
changes to the more restrictive
More Restrictive Zoning
See Section 4.5, More Restrictive Zoning.
zoning district
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.
.
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/0-0-0-6930Fetched: 10/28/2026