ADU Impact Fees: Chandler vs Scottsdale
How do adu impact fees rules compare between Chandler, AZ and Scottsdale, AZ?
Chandler and Scottsdale have similar restriction levels.
Chandler, AZ
Maricopa County
Chandler does not impose dedicated ADU impact fees. Ariz. Rev. Stat. section 9-461.18 limits the fees cities may charge on accessory dwelling units to ensure compliance with the state by-right mandate. Standard building permit and plan review fees through Chandler Development Services apply, calculated on construction valuation. Water and sewer development fees may apply only when new utility connections are installed.
View full Chandler rules →Scottsdale, AZ
Maricopa County
Scottsdale does not impose a dedicated ADU impact fee. Ariz. Rev. Stat. Sec. 9-461.18 limits the fees Scottsdale may charge on accessory dwelling units, preventing fees that would effectively prohibit ADU construction. Standard building permit and plan-review fees through Planning & Development Services apply, calculated on construction valuation. Water and sewer development fees may apply only when new utility connections are installed.
View full Scottsdale rules →Key Facts Comparison
| Fact | Chandler | Scottsdale |
|---|---|---|
| Dedicated ADU Impact Fee | None in Chandler | None in Scottsdale |
| State Cap | ARS 9-461.18 limits excessive ADU fees | ARS 9-461.18 limits excessive ADU fees |
| Permit Fee Basis | Construction valuation | Construction valuation |
| Utility Fees | Only if new connections required | Only if new connections required |
| Transportation Impact Fee | Not applied to ADUs | Not applied or reduced for ADUs |
| Park Impact Fee | Not applied to ADUs | - |
| Reassessment | - | Maricopa County Assessor |
Highlighted rows indicate differences between cities.
Chandler FAQ
Does Chandler charge an ADU impact fee?
No. Chandler does not impose a dedicated ADU impact fee. You pay standard building, plumbing, mechanical, and electrical permit fees through Development Services based on construction valuation. Water and sewer development fees apply only if a new meter or service connection is installed.
Can Chandler impose excessive ADU fees?
No. Arizona Revised Statutes section 9-461.18 limits the fees Chandler may impose on accessory dwelling units to prevent the state by-right mandate from being undermined. Fees must reasonably reflect the actual cost of services provided and cannot effectively prohibit ADU construction.
Scottsdale FAQ
Does Scottsdale charge an ADU impact fee?
No. Scottsdale does not impose a dedicated ADU impact fee. You pay standard building, plumbing, mechanical, and electrical permit fees through Planning & Development Services based on construction valuation. Water and sewer development fees apply only if a new meter or service connection is installed.
Can Scottsdale impose excessive ADU fees?
No. Arizona Revised Statutes Sec. 9-461.18 limits the fees Scottsdale may impose on accessory dwelling units to prevent the state by-right mandate from being undermined. Fees must reasonably reflect the actual cost of services provided and cannot effectively prohibit ADU construction.
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