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Source-backed project record · TX

Stream Data Centers San Antonio II - Westover Hills

This record consolidates 10 research observations while retaining source distinctions, location precision and unresolved fields.

operationalproject status

VERIFIED_PRIMARYbest evidence tier

10linked evidence rows

Project facts

Location and operating record

Operator / developer	Stream Data Centers
Jurisdiction	San Antonio, TX
Address	9550 Westover Hills Blvd
Location precision	street address
Coordinates	Not published; no coordinate inferred
Capacity	Not established
Aliases	Stream Data Centers San Antonio II - Westover Hills · SDC San Antonio · Stream DC San Antonio II · Stream San Antonio Private Data Center · MSFT SAT20

Evidence coverage

What has been researched

Project profile	0 rows
Intent / permits	0 rows
Civic / infrastructure	0 rows

SOURCE RECORD

Stream Data Centers San Antonio II - Westover Hills: source record

operational

Stream's earlier Westover Hills facility, distinct from the San Antonio III campus on Military Drive West.

Key data: CPS Energy | ERCOT | NOT_FOUND | NOT_FOUND

Claim classification: Not yet assigned

Status date: 2026-09-05

Open source 1 →

OWNERSHIP AND PROFILE

Stream Data Centers San Antonio II - Westover Hills: ownership and profile

operational

Developer: Stream Data Centers | Owner: STREAM DATA CENTERS | Permit applicant: Stream Data Centers | County: Bexar | Research region: San Antonio | Tenants/customers: Microsoft Corporation (a 2019 permit at this address is titled 'MSFT SAT20 Office Build Out' with facility name 'Stream San Antonio Private Data Center')

Claim classification: Not yet assigned

Status date: 2026-09-05

Open source 1 →

POWER AND GRID

Stream Data Centers San Antonio II - Westover Hills: power and grid

operational

Key data: Utility: CPS Energy | Grid area: ERCOT

Claim classification: Not yet assigned

Status date: 2026-09-05

Open source 1 →

WATER AND COOLING

Stream Data Centers San Antonio II - Westover Hills: water and cooling

operational

Claim classification: Not yet assigned

Status date: 2026-09-05

Open source 1 →

PERMITS AND JURISDICTION

Stream Data Centers San Antonio II - Westover Hills: permits and jurisdiction

operational

Key data: Permit IDs: EABPRJB9804008,TABS2020004089 | EABPRJB9804008 | TABS2020004089 | Jurisdictions: City of San Antonio | Bexar County | State of Texas (TDLR) | ERCOT | CPS Energy

Claim classification: Not yet assigned

Status date: 2026-09-05

Open source 1 →

TIMELINE

Stream Data Centers San Antonio II - Westover Hills: timeline

operational

STREAM SAN ANTONIO II permit registered ($5,000,000)

Claim classification: Not yet assigned

Status date: 2018-10-29

Open source 1 →

operational

MSFT SAT20 office build-out permit registered at the same address ($390,000; 2,500 sq ft)

Claim classification: Not yet assigned

Status date: 2019-10-28

Open source 1 →

STREET ADDRESS

Stream Data Centers San Antonio II - Westover Hills: street address

operational

TDLR permit gives the Stream San Antonio II address.

Key data: 9550 Westover Hills Blvd, San Antonio, TX 78251

Claim classification: direct_from_primary_permit_record · Verification: verified · Retrieved: 2026-09-05

Status date: 2019-10-28

Open source 1 →

TENANT CUSTOMER

Stream Data Centers San Antonio II - Westover Hills: tenant customer

operational

A 2019 permit at the same address is a Microsoft office build-out inside a 'Stream San Antonio Private Data Center'.

Key data: MSFT SAT20 Office Build Out; 2,500 sq ft; $390,000

Claim classification: direct_from_primary_permit_record · Verification: corroborated · Retrieved: 2026-09-05

Status date: 2019-10-28

Limitation: Confirms a Microsoft presence but not the full lease scope.

Open source 1 →

OPERATOR

Stream Data Centers San Antonio II - Westover Hills: operator

operational

Directory lists the facility under Stream Data Centers.

Key data: Stream DC San Antonio II - Westover Hills, 9550 Westover Hills Blvd

Claim classification: commercial_directory_listing · Verification: partially_verified · Retrieved: 2026-09-05

Status date: 2019-10-28

Open source 1 →

Sources

Evidence and provenance

Open TX state research →

Stream Data Centers San Antonio II - Westover Hills Data Center Project | San Antonio | Compute Equity Atlas