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Seattle colocation market, the city at dusk

Seattle data centers and colocation

Seattle has 36 colocation buildings run by 23 operators and served by 6 internet exchanges.

Market asking rent runs from $155 up to $175 monthly per kW, and only 5.4% of space is vacant (CBRE, first half of 2026).

Colocation data centers in Seattle

Buildings are ranked by how many networks they hold.

BuildingOperatorNetworksExchangesAddress
Digital Realty Seattle SEA10Digital RealtyDigital Realty23342001 Sixth Avenue, Seattle
Equinix SE2/SE3 - SeattleEquinixEquinix11442001 Sixth Avenue, Seattle
KOMO Plaza Seattle (Formerly Fisher Plaza)GI Property ManagementGI Property Management232140 4th Ave N, Seattle
WowRackServerhosh Internet ServiceServerhosh Internet Service20312201 Tukwila International Blvd, Tukwila
Sabey Intergate East Building 4Sabey Data CentersSabey Data Centers1333433 South 120th Place, Tukwila
Digital Fortress (TUK)Digital FortressDigital Fortress11112101 Tukwila International Blvd., Tukwila
Colocation Northwest - SeattleIsoFusion / Colocation NorthwestIsoFusion / Colocation Northwest1002001 6th Ave, Seattle
H5 Data Centers SeattleH5 Data CentersH5 Data Centers1021000 Denny Way, Seattle
Evocative SEA1VPLSVPLS91140 4th Ave N, Seattle
TierPoint SeattleTierPointTierPoint91140 4th Ave N, Seattle
Digital Fortress (LYN)Digital FortressDigital Fortress804200 194th St.SW, Lynnwood
Digital Fortress (SEA)Digital FortressDigital Fortress803101 Western Ave, Seattle
EdgeConneX Seattle (EDCSEA01)EdgeConneXEdgeConneX803425 S 116th St, Tukwila
Equinix SE4 - Seattle, KentEquinixEquinix816906 South 204th Street, Kent
Centersquare Seattle (SEA1-B)CentersquareCentersquare523355 S 120th Pl Bldg 5, Tukwila
Level (3) Seattle (Denny Way)Lumen TechnologiesLumen Technologies501000 Denny Way, Seattle
Wowrack Datacenter - TukwilaWowrack.comWowrack.com5012201 Tukwila International Blvd #100, Tukwila
Colocation Northwest - TacomaIsoFusion / Colocation NorthwestIsoFusion / Colocation Northwest401101 A Street, Tacoma
DataBank Seattle (SEA1)DataBankDataBank402001 6th Ave, Seattle
DataBank Seattle (SEA2)DataBankDataBank403311 S 120th Pl, Tukwila
Intergate West / Digital.forest / FortressSabey Data CentersSabey Data Centers4212101 Tukwila International Blvd., Tukwila
Cogent SeattleCogent CommunicationsCogent Communications3032275 32nd Avenue South, Federal Way
ColoCrossing SEA1ColoCrossingColoCrossing3012201 Tukwila International Blvd, Seattle
Lunavi - Westin1809LunaviLunavi302001 6th Avenue, Seattle
SBTCSBTCSBTC301914 3rd Avenue, Seattle
Colocation Northwest - BellevueIsoFusion / Colocation NorthwestIsoFusion / Colocation Northwest2015400 SE 30th Place, Bellevue
Colocation Northwest - RedmondIsoFusion / Colocation NorthwestIsoFusion / Colocation Northwest202457 152nd Ave NE, Redmond
Optic Fusion - Perkins BuildingOptic FusionOptic Fusion201101 A Street, Tacoma
BOTHWAXB - Bothell Central OfficeZiply FiberZiply Fiber102326 228th St SE, Bothell
Centersquare Seattle (SEA1-A)CentersquareCentersquare1012301 Tukwila International Boulevard, Tukwila
Kanobe, LLCBothell Data ServicesBothell Data Services103301 Monte Villa Parkway Suite 125, Bothell
Lunavi - Westin1969LunaviLunavi102001 6th Avenue, Seattle
Lunavi - Westin3205LunaviLunavi102001 6th Avenue, Seattle
Optic Fusion - Westin Building 2505Optic FusionOptic Fusion102001 6th Ave, Seattle
FiberCloud-Westin1809FibercloudFibercloud002001 6th Avenue, Seattle
FiberCloud-Westin3205FibercloudFibercloud002001 6th Avenue, Seattle

Each green building gets a page of its own listing all the networks inside. We refresh the building records from PeeringDB each month. The networks are carriers, clouds and ISPs listing a presence in the building.

Main operators in Seattle

Here, IsoFusion / Colocation Northwest operates 4 buildings and Digital Fortress operates 3. Digital Realty Seattle SEA10 leads on connectivity, holding 233 networks.Equinix SE2/SE3 - Seattle comes next with 114. More networks under one roof means more carrier options, plus cross connects that are cheaper and shorter (a cable joining your rack with another company's).

  • IsoFusion / Colocation Northwest4 buildings
  • Digital Fortress3 buildings
  • Lunavi3 buildings
  • Equinix2 buildings
  • Sabey Data Centers2 buildings
  • Centersquare2 buildings
  • DataBank2 buildings
  • Optic Fusion2 buildings
  • Fibercloud2 buildings
  • Digital Realty1 building

Internet exchanges serving Seattle

A shared switch where networks trade traffic directly is called an internet exchange. If you're in a building on the exchange, one port connects you to its members.

  • SIX Seattle 370 members, 8 buildings here
  • SIX Seattle (Jumbo) 67 members, 8 buildings here
  • Equinix Seattle 35 members, 2 buildings here
  • Pacific Wave 15 members, 1 building here
  • MegaIX Seattle 15 members, 6 buildings here
  • Global Peer Exchange 6 members, 1 building here

Colocation costs in Seattle

Add the list price of a rack to the Seattle market rent above. One full rack using 5 to 10 kW comes to roughly $1,330 to $2,330 a month.

Answer three questions to price your own setup.

Building locations

Buildings in the Seattle market sit in Seattle (18), Tukwila (9), Tacoma (2), Bothell (2), Lynnwood (1), Kent (1), Federal Way (1), Bellevue (1) and Redmond (1).

Getting quotes in Seattle

Let us know how much space and power you need. Providers or brokers with room in Seattle, up to three of them, will reply with their prices.

Add timing, contract length or a note (optional)

By sending this, you agree that Horizon Marketplace Inc. may share your request with up to three colocation providers or brokers, and that they may email you about it. You can ask us to delete your request at any time.

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