Sabey Austin Building B data halls (Round Rock)

Sabey Data Centers (TDLR owner)

Status: Existing campus; new data halls registered (TDLR)
Developer / parties: Sabey Data Centers (TDLR owner)
Location: Round Rock (1300 Louis Henna Blvd., per TDLR), Williamson County
Size: Data Halls B35 and B36, ~77,000 sq ft each (TDLR)
Investment: Est. $40M per data hall (TDLR, as filed)
Last verified: 2026-10-18

Milestones

Figures are attributed in parentheses to the outlet or company that reported them. Where sources disagree, we show both.

Oct 10 2025 'Sabey Austin Building B: DH B35' and 'DH B36' registered (start Nov 1 2025, completion Sep 1 2026; Project Registered) (TDLR)

Linked power & water

No linked power plant, substation, transmission, water supply or wastewater project identified in a source yet.

Related records

2025-10-10

Building registration (TDLR) Official record Williamson County · Sabey Austin Building B data halls (Round Rock)

TDLR TABS: 'Sabey Austin Building B' Data Halls B35 and B36, ~77,000 sq ft and est. $40M each, 1300 Louis Henna Blvd, Round Rock.

Source: tdlr.texas.gov ↗

Sources

Official record tdlr.texas.gov
Official record tdlr.texas.gov

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