In effect
Moderate protection
Maricopa County AZ Modernized Zoning Ordinance — Data Center Provisions
Maricopa County, AZ · BoS adoption Dec 10 2025 (2025-12-10)
BoS unanimous adoption. Data centers permitted only in IND-2 (general industrial) and IND-3 (heavy industrial). Other land requires rezoning with suitability review.
Technical detail
BoS unanimous adoption. Data centers permitted only in IND-2 (general industrial) and IND-3 (heavy industrial). Other land requires rezoning with suitability review. Citation: BoS adoption Dec 10 2025.
Who is protected: Maricopa County residents and ratepayers
Who must comply: Data center developers seeking approvals in Maricopa County
Key facts
| Jurisdiction | Maricopa County, AZ |
|---|---|
| Level | County |
| Status | In effect |
| Protection strength | Moderate protection |
| Effective date | 2025-12-10 |
| Enacted | 2025-12-10 |
| Citation | BoS adoption Dec 10 2025 (2025-12-10) |
| Enforced by | Maricopa County government / planning |
| Topics | data-center siting and energy |
| Last verified | 2026-06-16 |
| Official source | Maricopa County AZ Modernized Zoning Ordinance — Data Center Provisions — source ↗ |
More AI rules in Maricopa County, AZ
- Maricopa County AZ Modernized Zoning Ordinance · In effect
Related data-center siting and energy rules elsewhere
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- Madison WI Data Center Moratorium (1-year) · In effect
- Manitowoc County WI Data Center Moratorium · In effect
- WA SB 5982 (Data Center / Clean Energy) · In effect
- Dayton OH data center moratorium (180-day, Apr 2026) · In effect
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