Alviso datacenter construction begins in California

Microsoft is expanding its datacenter infrastructure with construction at our new Alviso site in California. This update marks the beginning of a multi-phase effort to prepare the land for future datacenter development, supporting the growing demand for cloud services and digital transformation.

Why datacenters are needed

Datacenters provide the physical infrastructure for the technology we depend on at work and in our personal lives. Whenever you open an app on your phone, join a virtual classroom or meeting, snap and save photos, or play a game with your friends online, you are using a datacenter. Local businesses, government, hospitals, and schools rely on datacenters every day to deliver goods and services to you.

Construction overview

HIIT Contracting Inc. is the general contractor for the Alviso datacenter. Construction began in fall 2025 with initial work focused on earthmoving and soil remediation.
Site preparation work is expected to be completed by summer 2026.

We’re working closely with HIIT to keep neighbors informed ahead of any major construction activity.

Construction hours

Work will take place Monday through Friday, from 7:00 a.m. to 5:30 p.m. Should additional hours be required, HIIT will adhere to the local requirements.

Staying connected

We’re committed to keeping the community informed.

• Visit our Microsoft in your community page for updates.
• For construction-related questions, contact Jack Craig at AlvisoCommunity@hittcontractinginc.onmicrosoft.com or call 408-915-4875.
• For media inquiries, reach out to Microsoft Media Relations at rapidresponse@we-worldwide.com or leave a message at 1-513-301-1414.