3 data center projects in Unincorporated Williamson County
Who decides here: the Williamson County Commissioners Court decides on zoning for land outside city and town limits. Texas counties have very few zoning powers, so land outside cities often has few local rules.
In Unincorporated Williamson County
Iron Mountain 'Taylor Meadows' data center campus (FM 3349, near Hutto and Taylor)
Unincorporated Williamson County, Williamson County
500 acres
🕒 March 2026: Iron Mountain presented the Taylor Meadows project to Hutto City Council with a sewer se…
Reported in the news, not confirmed yet
Proposed'Project Mustang' data center campus (east of Taylor)
Unincorporated Williamson County, Williamson County
665 acres
🕒 Sept 2026: Developers withdrew their annexation and zoning request with the City of Taylor.
Reported in the news, not confirmed yet
Approved, not built yetMesone data center (County Road 305, Jarrell)
Jarrell, Williamson County
150 acres
🕒 Oct 14, 2025: City Council annexed the land and changed its land use and zoning to allow the data cent…
Reported in the news, not confirmed yet
Nearby (within 15 miles)
Zydeco 'Project Hutto' data center (Ed Schmidt Blvd, Hutto)
Hutto, Williamson County
🕒 April 2026: Zydeco withdrew its rezoning request; the special Planning and Zoning meeting set for Ap…
Reported in the news, not confirmed yet
Proposedabout 8 miles awaySkybox data center (Old Settlers Blvd and Kiphen Road, Round Rock)
Round Rock, Williamson County
30 acres
🕒 Nov 5, 2025: Round Rock Planning and Zoning Commission gave preliminary approval.
Reported in the news, not confirmed yet
Approved, not built yetabout 8 miles awayColovore 'Project Raptor' data center (Hutto)
Hutto, Williamson County
🕒 Dec 2024: Hutto City Council granted a site use permit for the data center.
Reported in the news, not confirmed yet
Being builtabout 9 miles awaySwitch 'The Rock' data center campus (Round Rock)
Round Rock, Williamson County
🕒 Oct 26, 2023: Round Rock City Council unanimously rezoned 32.48 acres for a Switch data center.
Reported in the news, not confirmed yet
Being builtabout 9 miles awaySkybox PowerCampus Austin (Hutto)
Hutto, Williamson County
220 acres
🕒 Nov 2023: State filing for the first Hutto building; construction set for Jan. to Nov. 2024.
Reported in the news, not confirmed yet
Proposedabout 9 miles awayAmazon data center site (County Road 172, Round Rock)
Round Rock, Williamson County
149 acres · for Amazon Web Services
🕒 Dec 2023: Amazon sought a Planning and Zoning recommendation to annex and rezone the land, adding …
Reported in the news, not confirmed yet
What you can do
- Get told first.
We'll email you if anything changes in Unincorporated Williamson County. - Go to county meetings.
Anyone can speak. Big projects usually need a public hearing. - Ask questions in writing.
Use our checklist.
🔔 Get told first
⚡ Your electric company
Depending on where you live in Unincorporated Williamson County: Oncor Electric Delivery Company LLC (company) or Pedernales Electric Co-op, Inc. (co-op (owned by its members)) or Bluebonnet Electric Co-op, Inc. (co-op (owned by its members)) or Bartlett Electric Co-op, Inc. (co-op (owned by its members)) or City of Bartlett (not available).
In much of Texas you can pick who sells you power, but this company owns the power lines.
Big data centers need a lot of power. Who pays for new power lines depends on state rules. See the rules in Texas.
🙋 Open tasks here
- Is the land inside Hutto or Taylor city limits, their ETJ, or the county?
- Will there be an on-site gas power plant?
- How much water will it use?
- What air permit will the gas power plant need from TCEQ?
- How much water will it use, and from where?
- How many megawatts will it use?
- Who is the end user?
- How much water will it use?
- What permit does the gas generation need?