ADU Permits: Goodyear vs Mesa
How do adu permits rules compare between Goodyear, AZ and Mesa, AZ?
Goodyear, AZ
Maricopa County
No data available yet for Goodyear.
Mesa, AZ
Maricopa County
Mesa permits ADUs by right in all single-residence districts under Mesa Zoning Ordinance Title 11, Section 11-31-3, as updated by Ordinances 5883 and 5950 to comply with Arizona HB 2720. Internal, attached, and detached ADUs are allowed. Maximum 75% of the primary residence interior habitable area or 1,000 sq ft, whichever is less. No minimum lot size and no additional parking required.
View full Mesa rules →Key Facts Comparison
| Fact | Goodyear | Mesa |
|---|---|---|
| State Law | - | AZ HB 2720 (effective 2025) |
| City Code | - | MZO §11-31-3 (Ord. 5883) |
| Max Size | - | 75% primary or 1,000 sq ft |
| Min Lot Size | - | None |
| Parking | - | Not required |
| ADUs Per Lot | - | 1 attached + 1 detached by right |
Highlighted rows indicate differences between cities.
Goodyear FAQ
No FAQs available.
Mesa FAQ
Do I need a permit for a Mesa ADU?
Yes. All ADUs require building permits through Mesa Development Services. Under HB 2720 and MZO Section 11-31-3, review is ministerial (over-the-counter) without public hearings. Full structural, electrical, mechanical, and plumbing trade permits are required.
How many ADUs can I build on my Mesa lot?
At least one attached and one detached ADU are permitted by right on any lot where a single-family dwelling is permitted, with no minimum lot size. On lots of at least one acre, a third ADU (second detached) is permitted only if deed-restricted as affordable to households at 80% AMI.
Compare other topics
See how Goodyear and Mesa compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool