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Seattle: 47 data centres, 24 operators, 551 MW live

There are 47 data centres in Seattle, United States, spanning 2 sub-markets, 24 operators, 45 operational, 551 MW live (23% modelled), 578 MW total potential. Largest by total potential: Sabey Data Centers (4 sites), then Csquare.

Map of 43 data centres in Seattle

Every Seattle site DC Atlas tracks with a position on record, coloured by status.

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Live

551MW

23% modelled

Under construction

19MW

Planned

0MW

Total potential

578MW

Who supplies the power

100% of the data centres we track in the Seattle market have a named power supplier

  • Seattle City Light24sites
  • Puget Sound Energy16sites
  • City Light PUD3sites
  • Tacoma Power2sites
  • City of Tacoma1site
  • PSE1site

Who is building in Seattle

The 10 largest operators here by total potential, of 24 tracked in this market.

OperatorSitesLiveTotal potential
Sabey Data Centers4133 MW140 MW
Csquare11122 MW122 MW
Summit190 MW90 MW
ScaleMatrix150 MW50 MW
Digital Fortress527 MW27 MW
Colocation Northwest426 MW26 MW
Equinix219 MW19 MW
365 Data Centers119 MW
Digital Realty117 MW17 MW
AT&T113 MW13 MW

When Seattle was built

349 MW of the live capacity here carries a commissioning date — 51% of the operational sites in this market.

153 MW1999200220052008201120142017202020232025

Recent activity

9 recorded developments in the Seattle market, the latest on 25 Mar 2025.

  • 25 Mar 2025ABS issuance

    Sabey Data Centers Issues Secured Revenue Term Notes Series 2025-2

    Sabey Data Center Properties LLC completed an asset-backed securitization (ABS) issuance of Secured Data Center Revenue Term Notes, Series 2025-2, Class A-2, backed by a portfolio of 210 data center leases (134 securitized leases plus 76 full-service leases). Deloitte performed agreed-upon procedures validating tenant lease characteristics and financial terms as of March 1, 2025. The securitization covers leases across multiple regions with varying critical load power, rental rates, and tenant credit profiles. This transaction represents a major capital market financing for Sabey's Seattle-based data center operations.

  • 14 Apr 2021Commissioned

    Tukwila Zenlayer 033 commissioned

    Zenlayer's presence at this facility was registered on PeeringDB on 14 April 2021 — a presence-registration date, not a commissioning date.

  • 12 Feb 2020Acquisition

    Seattle Digital Realty 037 ownership change

    Seattle Digital Realty 037's ownership changed on 12 February 2020 after an agreement was reached with Clise Properties to acquire a 49% ownership interest in the Westin Building Exchange.

  • 1 May 2017Acquisition

    Kent Equinix 088 ownership change

    Kent Equinix 088 changed ownership on 1 May 2017 as part of Equinix's completed acquisition of 29 data centers and their operations.

  • 27 Dec 2016Acquisition$276M

    Hines Global REIT Sells KOMO Plaza Data Center in Seattle for $276 Million

    Hines Global REIT announced the sale of KOMO Plaza, a multi-tenant data center facility in Seattle, to GI TC Seattle, LLC for approximately $276 million. The property was acquired by Hines Global REIT in 2011 for $160 million.

  • 31 Jan 2012Acquisition

    Griffin Capital Acquires AT&T Data Center and Office Facility in Redmond, Washington

    Griffin Capital Net Lease REIT, Inc. acquired a three-building, two-story office and data center facility located in Redmond, Washington on January 31, 2012. The property was leased entirely to AT&T Services, Inc. on behalf of AT&T Wireless Services, Inc. under three long-term triple-net leases with approximately 11 years remaining. The acquisition was approved by the board of directors on December 15, 2011.

  • 19 Oct 2011Lease signed$110M

    Equinix Leases 51,000 sq ft Data Center Space in Seattle

    Equinix, Inc. through its subsidiary entered into a 15-year lease agreement for approximately 51,000 square feet of data center space in Seattle, Washington. The lease includes renewal options and carries a total rent obligation of approximately $110 million over the full term. This lease expands Equinix's footprint in the Seattle market and represents a significant long-term capacity commitment in the region.

  • 14 Jul 2011Announced$142M

    Fisher Communications Markets Fisher Plaza Data Center Portfolio for Sale

    Fisher Communications initiated a sale process for Fisher Plaza, a mixed-use real estate portfolio in Seattle comprising two buildings with approximately 53,602 sq ft of wholesale data center and co-location space plus Class A office and retail. The property, recently appraised at $142 million, is 96% occupied and represents one of two leading data centers in the Seattle market. The company has attracted interest from national office and data center buyers as well as local real estate investors, with the seller planning to remain and lease space.

All recent activity

Who is hiring in Seattle

10 open data centre roles at 3 operators we track

3 operators are recruiting in Seattle, 10 roles in total, the largest of them Crusoe at 4. The split is 5 build-side to 5 operational, with design and engineering (3) and security (3) the two largest disciplines. 2 of the 10 were posted in the last 30 days.

The mix

  • design and engineering3
  • security3
  • critical facilities1
  • development and land1
  • network1
  • project management1

Most recently opened

  • Nscalesecurity21 Sept 2026
  • Crusoedesign and engineering26 Aug 2026
  • Nscalenetwork18 Aug 2026
  • Crusoedesign and engineering6 Aug 2026
  • Crusoecritical facilities24 Jul 2026

Counted from the operators' own public careers feeds, read daily. A role counts here when the employer runs a data centre we track and the work is operational rather than back office. What these roles involve, and what they pay.

Questions about Seattle

How many data centres are in Seattle?
There are 47 data centres in Seattle, United States, spanning 2 sub-markets, 24 operators, 45 operational, 551 MW live (23% modelled), 578 MW total potential. Largest by total potential: Sabey Data Centers (4 sites), then Csquare.
How much data centre capacity does Seattle have?
DC Atlas tracks 47 data centres in the Seattle data centre market. 551 MW is live, 19 MW is under construction, for 578 MW of total potential at full buildout.
Who are the largest data centre operators in Seattle?
24 operators run facilities in the Seattle data centre market. Sabey Data Centers is the largest by total potential, with 4 sites and 140 MW.
Which utilities supply power to data centres in Seattle?
Seattle City Light, Puget Sound Energy and City Light PUD serve the most data centre sites in the Seattle data centre market. DC Atlas holds a named power supplier for 100% of the facilities it tracks here.

Every data centre we track in Seattle

42 of 47 with a published page

Csquare11

Sabey Data Centers4

Digital Fortress3

Cogent2

Colocation Northwest2

Enzu2

Equinix2

365 Data Centers1

AT&T1

DataBank1

Digital Realty1

EdgeConnex1

evocative1

H5 Data Centers1

Hivelocity LLC1

HorizonIQ1

Leaseweb1

Lumen Technologies1

Neutron Colocation1

Optic Fusion1

ScaleMatrix1

Summit1

Verizon1