Maricopa County, AZ Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- Front setback, RU-190
- 60 feet
- Front setback, R-2 to R-5
- 10 feet
- Side interior, R-2 to R-5
- 5 feet
- Rear setback range
- 25 to 60 feet
- Governing rule
- MCZO Section 502
Summary
In unincorporated Maricopa County, residential zoning districts set minimum yard setbacks that scale with lot size: from 60 feet front and rear in RU-190 rural zones down to 10 feet front and 5 feet side in R-5 multifamily zones.
Section 502. Rural & Residential Zoning Districts Development Standards ... Front (ft.) - setback minimums 60 60 40 40 18** 18** 18** 18** 18** 10 10 10 10 ... Side, interior (ft.) - setback minimums 30 30 20 20 10 7 7 5 5 5 5 5 5 ... Rear (ft.) - setback minimums 60 60 40 40 30 25 25 25 25 25 25 25 25 ... ** 10' minimum but no less than 18' to the plane of the front-facing garage.
Full Breakdown
Maricopa County Zoning Ordinance Section 502 sets a sliding scale of yard setbacks for the county's thirteen rural and residential zoning districts, covering unincorporated land only. Front setbacks run 60 feet in RU-190 and RU-70, drop to 40 feet in RU-43 and R1-35, then to 18 feet in R1-18 through R1-6 (no less than 18 feet to the front-facing garage plane), and 10 feet in R-2 through R-5. Side interior setbacks range from 30 feet in the largest rural zones down to 5 feet in the densest multifamily zones, and rear setbacks run from 60 feet down to 25 feet. Accessory structures follow a separate, smaller setback table in the same section.
Violations & Fines
Building within a required setback without a permit is a class 2 misdemeanor under MCZO Article 1203.1, with each day of the violation a separate offense; civil penalties up to the same maximum fine can also apply under Article 1203.2.
Frequently Asked Questions
What are the setbacks in the RU-190 rural zone?
Do these county setbacks apply inside Phoenix or Scottsdale?
What happens if I build within the required setback?
Sources & Official References
Other rules in Maricopa County
Compare Maricopa County to another location·View the Arizona building setbacks & zoning overview
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