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California Data Centers: Complete Directory & Market Overview

Browse all 28 data center facilities in California — across 3 counties — on the California data centers directory.

California's Data Center Market Pivots from Training to Inference

California remains a critical hub for AI infrastructure, but the market is evolving. With massive training cluster buildout largely complete in 2025, the 2026 focus has shifted to inference factories — facilities optimized for speed and proximity to end users rather than raw compute scale. Silicon Valley's Santa Clara County hosts the highest density of carrier-neutral colocation in the western US, with Equinix, CoreSite, Digital Realty, and Vantage operating interconnected campuses. Rising power costs and permitting complexity are pushing net-new hyperscale builds eastward, but California's existing tier-4 fabric remains irreplaceable for financial services, media, and tech companies.

California Data Centers by Location

Los Angeles County

7 facilities: CoreSite LA1 Los Angeles, CoreSite LA2 El Segundo, CoreSite LA3 Los Angeles, Equinix LA1, Equinix LA3, Equinix LA4, NTT Los Angeles.

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Sacramento County

3 facilities: Centersquare Sacramento CA, Prime Sacramento, QTS Sacramento.

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Santa Clara County

18 facilities: CoreSite SV1 San Jose, CoreSite SV4 Santa Clara, CoreSite SV6 San Jose, Digital Realty SJC1, Digital Realty SJC2, Digital Realty SJC3, EdgeConneX EDC10, Equinix SV1, Equinix SV2, Equinix SV3, Equinix SV4, Equinix SV5, Evocative Santa Clara, Flexential San Jose I, NTT San Jose, QTS San Jose, Vantage SV1 Santa Clara, Vantage SV2 San Jose.

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Key Operators in California

The following companies operate data center facilities in California. Visit the California directory for full facility details, addresses, and contact information.

  • Centersquare Sacramento CA
  • CoreSite LA1 Los Angeles
  • CoreSite LA2 El Segundo
  • CoreSite LA3 Los Angeles
  • CoreSite SV1 San Jose
  • CoreSite SV4 Santa Clara
  • CoreSite SV6 San Jose
  • Digital Realty SJC1
  • Digital Realty SJC2
  • Digital Realty SJC3
  • EdgeConneX EDC10
  • Equinix LA1
  • Equinix LA3
  • Equinix LA4
  • Equinix SV1
  • Equinix SV2
  • Equinix SV3
  • Equinix SV4
  • Equinix SV5
  • Evocative Santa Clara
  • Flexential San Jose I
  • NTT Los Angeles
  • NTT San Jose
  • Prime Sacramento
  • QTS Sacramento
  • QTS San Jose
  • Vantage SV1 Santa Clara
  • Vantage SV2 San Jose

About the California Data Center Market

Data centers in California serve a range of industries including financial services, healthcare, government, and enterprise IT. The national data center market is undergoing a $600+ billion investment cycle driven by AI workload demand — with the US AI data center market projected to grow from $5.2 billion in 2025 to $57 billion by 2035 at a 27% compound annual growth rate.

Power infrastructure has emerged as the primary constraint on new builds across the US, with approximately 50% of planned projects facing delays due to grid limitations. The 2026 market is pivoting from large AI training clusters to inference infrastructure — smaller, faster, and closer to end users — which is driving distributed expansion across secondary markets nationwide.

Find Data Centers in California

Use our interactive directory to browse all 28 facilities in California:

Related markets: Oregon data centers · Nevada data centers · Arizona data centers

Browse the full California data center directory →