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DataCentersExposed
Mapped (unverified)colocation

CyrusOne San Antonio III

Bexar County, TX

Source: OpenStreetMap

CyrusOne San Antonio III is a mapped data center in Bexar County, TX, operated by CyrusOne LLC. DataCentersExposed has documented a 100,537 sq ft footprint at this site.

Reporting by · Updated Jun 14, 2026

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Real parent
CyrusOne LLC
Operator
CyrusOne LLC
Est. capacity
~20-45 MW
Footprint
100,537 sq ft
Attribution & capacity confidence:mediumprimary source
Status · click to filter

Most sites are mapped — located but awaiting a second source. How we verify

Dot size = disclosed capacity (MW). Smallest = undisclosed, not small.

Overview

source: link

CyrusOne San Antonio III is a mapped colocation data center in Bexar County, Texas, run by CyrusOne LLC. The site has a reported footprint of 100,537 square feet. Available records do not name an ultimate parent above CyrusOne LLC.

Operator chain

In the news

source: GDELT

Tax breaks & subsidies

source: Good Jobs First / GASB 77

These 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.

Dollar value not disclosed for these records.
  • Texas Qualifying Large Data Center Project Exemption$0
    State of Texas · granted 2022 · term — yr · source
  • Texas Qualifying Data Center Exemption$0
    State of Texas · granted 2017 · term — yr · source
  • Texas Qualifying Data Center Exemption$0
    State of Texas · granted 2016 · term — yr · source
Statewide cost of this incentive

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.

source · All Texas subsidies →

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 ECHO

No reported violations as of last sync.

Air quality near this site

source: AirNow
54
PM2.5
Moderate
21
O3
Good
18
PM10
Good

Air 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 2023
Median household income
$130K
People of color
77%
Below poverty
2%
Tract population
6,318

Demographics 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 / NCES

The nearest public school, Raba El in San Antonio, is 0.2 mi from this site (596 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.