Pinal County, AZ Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- Coverage cap
- 1/3 of rear + side yard area (CR-2 and CR-3)
- Max accessory height
- 20 feet in both zones
- CR-2 animal-building setback
- 50 ft vs. standard 4 ft
- CR-3 setback
- Flat 4 feet regardless of use
- Livestock shade structures
- Exempt from the setback
- Civil penalty
- Up to $750 individual / $10,000 enterprise, per day
- Variance path
- Board of Adjustment, § 2.155.040
Summary
Detached accessory buildings in Pinal County's CR-2 Single Residence zone cannot cover more than one-third of the combined rear and side yard area, per Development Services Code § 2.65.030(A). The same one-third cap applies in the CR-3 zone, but the two zones set different side and rear setbacks for buildings that house poultry or animals, and a roofed, wall-less livestock shade structure is exempt from the setback altogether.
A. Permitted coverage: One-third of the total area of the rear and side yards. B. Maximum height: 20 feet. C. Minimum distance to main building: Seven feet. D. Minimum distance to front lot line: 60 feet. E. Minimum distance to side and rear lot lines: Four feet if building is not used for poultry or animals; 50 feet if building is used for poultry or animals. F. A structure having a roof supported by columns and used exclusively for the shading of livestock shall not be considered a building and shall not need to conform to setback requirements that apply to buildings used to house livestock.
Full Breakdown
030 sets the accessory-building rules for the CR-2 Single Residence zone: permitted coverage is capped at 'one-third of the total area of the rear and side yards' (subsection A), maximum height is 20 feet (B), a detached accessory building must sit at least seven feet from the main building (C) and 60 feet from the front lot line (D). Subsection E splits the side and rear setback by use: four feet if the building is not used for poultry or animals, but 50 feet if it is.
Subsection F carves out an exemption: 'a structure having a roof supported by columns and used exclusively for the shading of livestock shall not be considered a building' and does not need to meet the animal-building setback. 030(F)). 040 by showing unnecessary hardship.
Violations & Fines
Building or expanding a detached accessory structure past the one-third rear/side-yard coverage cap, or inside the required setback, is a zoning violation enforceable under Pinal County Code § 2.160.130 as a Class 2 misdemeanor pursuant to A.R.S. § 11-808. Section 2.160.140 also allows a civil penalty of up to $750.00 for an individual or $10,000.00 for an enterprise, with each day the violation continues counted as a separate offense.
Frequently Asked Questions
How much of my backyard can a shed or accessory building cover in Pinal County?
Does a chicken coop or animal shed need a bigger setback than a shed?
Is a livestock shade structure exempt from the setback?
What if my lot can't fit an accessory building within the coverage limit?
Sources & Official References
Other rules in Pinal County
Compare Pinal County to another location·View the Arizona building setbacks & zoning overview
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