Proposed

491st Avenue and Thomas Road Data Center Site (Tonopah)

Being developed by Grandilla Arizona Inc. and Foot Creek Corporation · Northeast corner of 491st Avenue and Thomas Road, outside Tonopah

This is a proposed or under-construction project. It is not operating capacity, and announced projects do sometimes change scope or fail to proceed.

Floor area: 2.3M sq ft
Land: 638 acres

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How we know this

Compiled from public records and checked on 2026-10-07. Our confidence in this record is high. Blank figures above mean the number is not publicly established, not that it is zero.

Each statement on this page is listed with the page it came from and the words that say it. Sources open in a new tab.

Status: Proposed
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quotes
  the Maricopa County Board of Supervisors last week approved a request to rezone a 638-acre site
  At full build-out, the site could be home to as many as nine 250,000 sq ft (23,225 sqm) data center buildings
Floor area: 2.3M sq ft
Note: The source gives this as the most the site could hold at full build-out.
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quote
  as many as nine 250,000 sq ft (23,225 sqm) data center buildings totaling 2.25 million square feet
Land: 638 acres
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quote
  rezone a 638-acre site located at the northeast corner of 491st Avenue and Thomas Road, outside Tonopah to the west of Phoenix.
Location: Northeast corner of 491st Avenue and Thomas Road, outside Tonopah
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quote
  rezone a 638-acre site located at the northeast corner of 491st Avenue and Thomas Road, outside Tonopah to the west of Phoenix.
The Maricopa County Board of Supervisors approved industrial rezoning for 638 acres in February 2026.
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quotes
  the Maricopa County Board of Supervisors last week approved a request to rezone a 638-acre site
  The rezoning, to IND-2 Zoning District, allows for industrial uses including data centers
The project narrative describes up to nine data center buildings at full build-out.
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quotes
  At full build-out, the site could be home to as many as nine 250,000 sq ft (23,225 sqm) data center buildings
  according to a project narrative document
The site is owned by Grandilla Arizona Inc. and Foot Creek Corporation.
- [1] Data Center Dynamics, 2.25 million sq ft data center campus proposed outside Phoenix, Arizona (opens in a new tab) · February 17, 2026
  Show quote
  The site is owned by site is owned by Grandilla Arizona Inc. and Foot Creek Corporation.

Our own notes

These remarks are Arizona AI's own. They say how this record is counted or what we could not find, so there is no outside page to link.

We found no data center operator named for the site.

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