ADU Impact Fees: Goodyear vs Tempe
How do adu impact fees rules compare between Goodyear, AZ and Tempe, AZ?
Goodyear, AZ
Maricopa County
No data available yet for Goodyear.
Tempe, AZ
Maricopa County
Tempe does not impose a dedicated ADU impact fee. Standard building, plumbing, mechanical, and electrical permit fees through Tempe Community Development apply based on construction valuation. Water and sewer development fees apply only when a new utility connection is installed. Arizona HB 2720 (ARS 9-461.18) limits fees that would effectively prohibit ADU construction.
View full Tempe rules →Key Facts Comparison
| Fact | Goodyear | Tempe |
|---|---|---|
| Dedicated ADU Impact Fee | - | None |
| Fee Authority | - | ARS 9-463.05 |
| State Cap | - | ARS 9-461.18 limits punitive fees |
| Utility Fees | - | Only if new meter or connection |
| Permit Fee Basis | - | Construction valuation |
Highlighted rows indicate differences between cities.
Goodyear FAQ
No FAQs available.
Tempe FAQ
How much are impact fees for a Tempe ADU?
Tempe does not charge a dedicated ADU impact fee. You pay standard building, plumbing, mechanical, and electrical permit fees based on construction valuation, plus water and sewer development fees only if a new meter or service is installed. Request a written fee estimate from Tempe Community Development before submittal.
Can Tempe charge me the full single-family impact fee for an ADU?
No. Under ARS 9-461.18 (HB 2720), fees that would effectively prohibit ADU construction are barred. Tempe applies its standard transportation, parks, and public safety impact fees to new principal-unit construction, not as a duplicate charge on accessory dwelling units sharing the existing lot.
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