Maricopa County, AZ Building Setbacks & Zoning: Structure Height Limits (2026)

Section 502's development-standards table sets Height Maximum at 35 feet for the RU-190, RU-70, RU-43, R1-35, R1-18, R1-10, R1-8, R1-7, R1-6 and R-2 districts, stepping up to 40 feet only in the R-3, R-4 and R-5 multiple-family districts. 3 limits to 18 feet when located in the rear or side yard setback. 7 backstops the table countywide: no building or structure in any zoning district may exceed the maximum height set for a principal building in that district unless a specific use carries its own height regulation elsewhere in the ordinance.

'Building Height' is defined in Chapter 2 as the vertical distance from grade to the highest point of the coping of a flat roof, the deck line of a mansard roof, or the highest point of a gable, hip or gambrel roof, so the limit is measured to the roof's peak or coping line, not to a parapet or chimney above it. 2, which may grant a variance solely where a non-self-created peculiar condition of the land makes strict compliance an unnecessary hardship, and only if the ordinance's general intent is preserved; a variance cannot authorize a use the district otherwise prohibits.