Cartis diligence evidence schedule
Microsoft Alviso Data Center
PRJ-0707 · Site · San Jose, California, United States
Record last updated Oct 28, 2026
Scope and capacity
Microsoft began site preparation for a new multi-phase data center in Alviso, San Jose. Microsoft confirms construction activity but does not publish a defensible facility megawatt figure. Microsoft, HITT Contracting is associated with the development in San Jose, Santa Clara County, CA, US. The disclosed development scope includes site preparation began in fall 2025; initial earthmoving and soil remediation; multi-phase development. Power and physical infrastructure include new multi-phase cloud data-center development. Microsoft does not publish an Alviso facility MW figure. The available public sources do not establish a project-scoped operating or contracted capacity figure.
Headline: Not established in published records
Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.
Claims and exhibit sources
Jump to a claim (8)
Location context · Microsoft Alviso site | San Jose | California
Actual · Microsoft Alviso Data Center (Project)
Claim 57968 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Lifecycle status · Construction
Actual · Microsoft Alviso Data Center (Project)
Claim 57969 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Location context · Microsoft Alviso site | San Jose | California
Actual · Microsoft Alviso Data Center (Project)
Claim 111415 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Lifecycle status · Construction
Actual · Microsoft Alviso Data Center (Project)
Claim 111416 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Development scale · Site preparation began in fall 2025
Actual · Microsoft Alviso Data Center (Project)
Claim 111435 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Microsoft datacenter community information
Microsoft · Document date: Jan 1, 2026 · Corroborating
Source reference: SRC-6250 · Fact sheet · Recorded authority: Official primary
Source URL
https://local.microsoft.com/communities/americas/san-jose-california/
https://local.microsoft.com/communities/americas/san-jose-california/
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Development milestone · Initial earthmoving and soil remediation
Actual · Microsoft Alviso Data Center (Project)
Claim 111436 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Microsoft datacenter community information
Microsoft · Document date: Jan 1, 2026 · Corroborating
Source reference: SRC-6250 · Fact sheet · Recorded authority: Official primary
Source URL
https://local.microsoft.com/communities/americas/san-jose-california/
https://local.microsoft.com/communities/americas/san-jose-california/
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Power arrangement · Multi phase development.
Actual · Microsoft Alviso Data Center (Project)
Claim 111437 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Microsoft datacenter community information
Microsoft · Document date: Jan 1, 2026 · Corroborating
Source reference: SRC-6250 · Fact sheet · Recorded authority: Official primary
Source URL
https://local.microsoft.com/communities/americas/san-jose-california/
https://local.microsoft.com/communities/americas/san-jose-california/
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Site configuration · Microsoft Alviso site | San Jose | California
Actual · Microsoft Alviso Data Center (Project)
Claim 111438 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- Microsoft datacenter community information
Microsoft · Document date: Jan 1, 2026 · Corroborating
Source reference: SRC-6250 · Fact sheet · Recorded authority: Official primary
Source URL
https://local.microsoft.com/communities/americas/san-jose-california/
https://local.microsoft.com/communities/americas/san-jose-california/
- Alviso datacenter construction update
Microsoft · Document date: Nov 19, 2025 · Primary
Source reference: SRC-3170 · Company announcement · Recorded authority: Party primary
Source URL
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
https://local.microsoft.com/blog/alviso-datacenter-construction-update/
Counterparties and capital
HITT Contracting · Contractor · CMP-1447
Microsoft · Developer · CMP-0017
This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.