Scottsdale ADU Zoning Rules & Permit Guide

ADU Regulations in Scottsdale, Arizona

Updated September 29, 2026

Known for its desert luxury communities in Maricopa County, Scottsdale enforces detailed design standards for ADUs. The city's zoning code requires compatibility with the surrounding architectural character.

Below is a summary of the key zoning rules applicable to Accessory Dwelling Units in Scottsdale as of 2026. Regulations are governed by local zoning ordinances, as Arizona has no statewide ADU mandate.

Additional Local Requirements for Scottsdale

• ADU allowed in residential zones per local ordinance
• Minimum 200 sq ft
• Building permit required
• ⚠️ AZ has NO statewide ADU law — city code governs

Frequently Asked Questions About ADUs in Scottsdale

Can I build an ADU in Scottsdale?

This Arizona city permits ADUs under local ordinance. Confirm your zone's eligibility with the planning department first.

What is the maximum ADU size allowed in Scottsdale?

ADUs in Scottsdale 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 Scottsdale planning department before designing your project.

What are the setback requirements for an ADU in Scottsdale?

ADUs in Scottsdale generally require setbacks of 5 ft rear, 5 ft side. Arizona has no statewide ADU mandate — the exact setback figures come from Scottsdale's own zoning code, so confirm them with the city planning department before you design.