Microsoft
Microsoft project update confirms County Road 381 construction began in August 2025 and is expected to continue through winter 2028; construction completion is not treated as an operations date.
construction
Microsoft County Road 381 Data Center
Microsoft · San Antonio, TX
Phase
construction
Capacity
Not publicly verified
Investment
Not publicly verified
Evidence confidence
97%
Last verified October 7, 2026 · 3 retained sources
Verified project facts
Project status
active
Metro area
San Antonio
Buildings
Not publicly verified
Data halls
Not publicly verified
Groundbreaking
Not publicly verified
Expected energization
Not publicly verified
Meaningful project events
Material project evidence only. Administrative database activity is excluded.
- Project phase
Operations status verified
Microsoft project update confirms County Road 381 construction began in August 2025 and is expected to continue through winter 2028; construction completion is not treated as an operations date.
- Location
Project location evidence verified
Microsoft's Texas data-center community page provides the official Texas program context.
- Project phase
Construction status verified
Microsoft's project page states that construction began in August 2025 and is expected to continue through winter 2028.
Source provenance
Retained evidence
Microsoft
Microsoft's Texas data-center community page provides the official Texas program context.
Microsoft
Microsoft's project page states that construction began in August 2025 and is expected to continue through winter 2028.