ADU Regulations in Peoria, Arizona
In the northwest Phoenix metro, Peoria's ADU rules are established by municipal zoning code. Arizona has no statewide ADU law, so the city's lot and design requirements apply to all accessory units.
Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Peoria as of 2026. Regulations are governed by local zoning ordinances, as Arizona has no statewide ADU mandate.
| Regulation | Requirement |
|---|---|
| Maximum Size | 1,000 sq ft |
| Property Setbacks | 5 ft rear, 5 ft side |
| Extra Parking Required | Required (1 space) |
| Owner Occupancy | Not required |
Additional Local Requirements for Peoria
- ADU allowed in residential zones per local ordinance
- Minimum 200 sq ft
- Building permit required
- ⚠️ AZ has NO statewide ADU law — city code governs
📥 Download the Complete Peoria ADU Cheat Sheet
Get the step-by-step permit checklist, official government forms, direct planning department contacts, and estimated fees — all in one printable PDF for Peoria, Arizona.
Download the Complete Peoria ADU Cheat Sheet — $12Frequently Asked Questions About ADUs in Peoria
Can I build an ADU in Peoria?
This Arizona city permits ADUs under local ordinance. Confirm your zone's eligibility with the planning department first.
How big can my ADU be in Peoria?
What is the maximum ADU size allowed in Peoria? ADUs in Peoria can be up to 1,000 square feet, subject to the property's zoning and lot coverage limits. Always confirm the exact allowed size with the Peoria planning department before designing your project.
What about setbacks and other requirements in Peoria?
What are the setback requirements for an ADU in Peoria? ADUs in Peoria generally require setbacks of 5 ft rear, 5 ft side. California state law (AB 68) limits local setback requirements to 4 feet for existing structures, but always verify with local zoning.
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