Showing ordinances that apply to Ajo, AZ
Ajo is an unincorporated community (population 3,039) in Pima County, Arizona. Because Ajo is not an incorporated city, it does not have its own municipal code. Instead, Pima County ordinances apply directly to properties here. The lot coverage limits rules below are the ones that govern your area.
Pima County limits lot coverage by zoning district: GR-1 rural at 25%, suburban ranch at 30%, and urban-adjacent residential zones up to 40%. Includes all impervious surfaces.
Lot coverage in unincorporated Pima County measures the percentage of a lot covered by buildings, paved surfaces, and other impervious structures. GR-1 (General Rural) zones typically limit coverage to 25 percent. Suburban Ranch (SR) zones allow approximately 30 percent coverage. More urban-adjacent residential zones (TR, SH) may permit up to 40 percent. Coverage includes primary structures, garages, carports, accessory buildings, patios (if covered), pools, and paved driveways. Pervious pavers and decomposed granite driveways may receive partial credit depending on material type. Lot coverage limits work in conjunction with setback requirements and building height to control development intensity. Exceeding lot coverage requires a variance from the Board of Adjustment or a special exception from the Board of Supervisors.
Contact your local code enforcement office for specific penalty information.
See how Ajo's lot coverage limits rules stack up against other locations.
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