ADU Permits: Goodyear vs Tempe
How do adu permits rules compare between Goodyear, AZ and Tempe, AZ?
Goodyear, AZ
Maricopa County
No data available yet for Goodyear.
Tempe, AZ
Maricopa County
Tempe permits accessory dwelling units by right on lots zoned for single-family use under Arizona Revised Statutes section 9-461.18, enacted by HB 2720 in 2024. Tempe (population approximately 185,000) is well over the 75,000 threshold that triggers the state by-right mandate. Tempe's Zoning and Development Code was amended to comply, allowing at least one attached and one detached ADU per single-family lot. Building permits issue through Tempe Community Development.
View full Tempe rules →Key Facts Comparison
| Fact | Goodyear | Tempe |
|---|---|---|
| State Law | - | ARS 9-461.18 (HB 2720) |
| City Code | - | Tempe ZDC + City Code Ch. 8 |
| Units Allowed | - | 1 attached + 1 detached by right |
| Max Side/Rear Setback | - | 5 ft (state cap) |
| Population Threshold | - | Tempe ~185k qualifies (over 75k) |
| Review | - | Tempe Community Development |
Highlighted rows indicate differences between cities.
Goodyear FAQ
No FAQs available.
Tempe FAQ
Can I build a casita in Tempe by right?
Yes. Under Arizona HB 2720 (ARS 9-461.18), Tempe must allow one attached and one detached ADU by right on any single-family lot. Discretionary use permits and public hearings are preempted. You still need building, electrical, plumbing, and mechanical permits through Tempe Community Development.
How close to my property line can the ADU sit in Tempe?
The state statute caps the side and rear yard setbacks Tempe can impose at no more than 5 feet. Tempe's Zoning and Development Code was updated to comply. Front yard setbacks follow the underlying single-family district standards.
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