Can you build an ADU in Scottsdale, AZ?

Unclear — verify with the town

The ordinance definitions clearly recognize ADUs and state that, where permitted, they do not count toward density, which is favorable. But the supplied sources do not include the districts where ADUs are allowed or the approval path.

Confidence: medium · Last researched June 2026

Accessory Dwelling Unit (ADU) rules

The ordinance definitions recognize accessory dwelling units as subordinate, self-contained dwelling units on the same lot as a main single-family residential dwelling and state that, where permitted, an ADU does not count toward density calculations.

  • Must be on the same lot as a main single-family residential dwelling of greater square footage than the accessory dwelling unit
  • Must include its own sleeping facilities, kitchen facilities, and sanitary facilities
  • Is distinct from a guest house, accessory building, or accessory structure
  • Where permitted, does not count towards calculations of density

Related questions

Are ADUs allowed in Scottsdale, AZ?

The ordinance definitions recognize accessory dwelling units as subordinate, self-contained dwelling units on the same lot as a main single-family residential dwelling and state that, where permitted, an ADU does not count toward density calculations.

Full investor analysis

You've seen the general rule. The full Scottsdale, AZ report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.

Get the full Scottsdale, AZ report free →

More about Scottsdale, AZ zoning

View the full Scottsdale, AZ zoning report →

This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Scottsdale, AZ officials before making decisions.

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