Tucson, AZ Zoning Overlays & Bonuses: Downtown Design Guide (2026)

12 establishes the Downtown Area Infill Incentive District (IID), covering the Rio Nuevo Area, Greater Infill Incentive Subdistrict, Downtown Core Subdistrict, and Downtown Links Subdistrict (including Toole Avenue, Warehouse Triangle, Fourth Avenue, Iron Horse, and Stone/Sixth areas). 8. B, Streetscape Design, projects must be pedestrian-oriented: new construction needs architectural elements or details at the first two floor levels, buildings must provide windows, window displays, or visible activity along at least 50 percent of ground-floor frontage, and a single unbroken facade plane cannot run longer than fifty feet without architectural detail.

Front doors must be visible or identifiable from the street. Sidewalk construction and maintenance must follow the city's Streetscape Design Policy, and where no sidewalks exist, they must be provided. on June 21 when the sun sits 80 degrees above the horizon; shade may come from trees, arcades, canopies, or shade structures compatible with the street's historic and design context, or from the building itself. The Planning and Development Services Department (PDSD) Director may approve a plan with less than 50 percent shade where compliance is infeasible given the site's location or building orientation, provided the applicant has made a reasonable attempt to comply.

1 is to encourage pedestrian- and transit-oriented infill redevelopment while addressing barriers created by incompatible development standards and protecting historic structures and adjacent residential neighborhoods.