ADU Rules in Scottsdale, AZ — 2026 Guide
Check if your Scottsdale property qualifies for an ADU in 20 seconds
Scottsdale ADU Rules at a Glance
Scottsdale is considered ADU-friendly. Here are the key regulations.
- Arizona state law preempts local ADU bans — Scottsdale must allow ADUs.
- Guest houses (a form of ADU) long permitted on large lots.
- ADU design review required in certain architectural overlay zones.
- Maximum ADU size is 1,000 sqft under state minimums.
What ReadyPermit Checks for Scottsdale Properties
Enter any Scottsdale address and get an instant ADU feasibility analysis covering:
Zoning Compliance
Verify your Scottsdale lot is zoned for ADU construction under current AZ and local rules.
Setbacks & Coverage
Check required setbacks, lot coverage limits, and height restrictions for your specific parcel.
ADU Size Limits
Calculate the maximum ADU square footage allowed based on your lot size and primary dwelling.
Permit Requirements
Understand what permits and approvals Scottsdale requires before you can break ground.
Flood & Hazard Zones
Identify if your property falls in a flood zone, fire zone, or other hazard overlay.
Lot & Parcel Data
Pull parcel boundaries, lot dimensions, and existing structures from county records.
Check Your Scottsdale Property Free
Enter your address below. In under 20 seconds you will know if your Scottsdale lot qualifies for an ADU — no phone calls, no waiting.
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