Maricopa County AZ Modernized Zoning Ordinance
Maricopa County AZ Modernized Zoning Ordinance — Data Center Provisions
Maricopa County, AZ · BoS adoption Dec 10 2025 (2025-12-10)
- Status
- In effect
- Took effect
- December 10, 2025
- Applies to
- Data center developers seeking approvals in Maricopa County
- Enforced by
- Maricopa County government / planning
BoS unanimous adoption. Data centers permitted only in IND-2 (general industrial) and IND-3 (heavy industrial). Other land requires rezoning with suitability review.
Who is protected: Maricopa County residents and ratepayers
Legal 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.
Key facts
| Jurisdiction | Maricopa County, AZ |
|---|---|
| Level | County |
| Strength | Moderate |
| Enacted | December 10, 2025 |
| Citation | BoS adoption Dec 10 2025 (2025-12-10) |
| Topics | data-center siting and energy |
| Agency page | 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
- Superior WI Data Center Moratorium (1-year) · In effect
- Dane County WI Hyperscale Data Center Moratorium · In effect
- 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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