CyrusOne San Antonio I
9999 Westover Hills Boulevard · San Antonio, Bexar County, TX
Source: OpenStreetMap
CyrusOne San Antonio I is an operating data center in Bexar County, TX, operated by CyrusOne LLC. DataCentersExposed has documented 9 MW of reported power capacity and a 102,327 sq ft footprint at this site.
Reporting by Eric Keller · Updated Jun 18, 2026
Overview
source: linkCyrusOne San Antonio I is an operating colocation data center in San Antonio, Bexar County, Texas, run by CyrusOne LLC. Public records put its footprint at 102,327 square feet. Ownership above CyrusOne LLC is not detailed in available records.
Operator chain
- Ultimate parentCyrusOne LLC
- Files asCyrusOne LLC
- This facilityCyrusOne San Antonio I
Grid & water — why here
source: HIFLD · EPAThe closest existing grid infrastructure and the municipal water system this location sits in — the same constraints the buildout model screens on (it won't site a campus more than ~2 km from a substation or ~5 km from municipal water). Distances are straight-line to public HIFLD/EPA features, not a metered connection.
In the news
source: GDELTTax breaks & subsidies
source: Good Jobs First / GASB 77These tax breaks are recorded to CyrusOne LLC (the operator/parent) and may cover this or other sites — no state names the recipient at the facility level.
- Texas Qualifying Large Data Center Project ExemptionTax break$0State of Texas · granted 2022 · term — yr · source
- Texas Qualifying Data Center ExemptionTax break$0State of Texas · granted 2017 · term — yr · source
- Texas Qualifying Data Center ExemptionTax break$0State of Texas · granted 2016 · term — yr · source
Texas reported $16.1M in Property used in certain large data center projects; temporary exemption (Texas Tax Code § 151.3595) for FY2025 (Texas Comptroller of Public Accounts). Program-wide, not attributable to this site.
Water use
No public record of this facility's water use. We check state withdrawal reporting for self-supplied sites; municipally supplied sites only become visible through a public-records request to the local water utility — a per-facility request tool is coming. If you have a utility document for this site, send it to us.
EPA permits & violations
source: EPA ECHONo reported violations as of last sync.
Air quality near this site
source: AirNowAir Quality Index from the nearest AirNow reporting area (San Antonio), as of 2026-06-10. Regional context — not this facility's own emissions.
Who lives nearby
source: Census ACS 2023Demographics of the census tract this facility sits in (American Community Survey 5-year estimates). Environmental-justice context for who bears the local impacts.
Nearest school
source: HIFLD / NCESThe nearest public school, Vale Middle in San Antonio, is 0.8 mi from this site (1,021 students). 3 public schools sit within a mile of the site.
Schools are sensitive receptors for the noise, backup-generator exhaust, and traffic a large data center brings. Straight-line distance to the nearest public school (HIFLD/NCES, US public schools only).
Hearings timeline
No public-hearing records linked to this site yet. We surface planning-commission and board-of-supervisors dates when a record names a facility. If you know of a hearing on this site, tell us.