Site: TierPoint Seattle DC1 and DC2

Company: TierPoint
Site is located within: KOMO Plaza (was Fisher Plaza) building
Metro: Seattle
State: Washington
Region: Pacific Northwest
Country: United States
Region: North America
Region: Americas
Region: World
140 4th Ave N. Suite 360

Gross SqFt: 20,200
Total Power: ??? NN
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Ownership: TierPoint does not own the building.

TierPoint's marketing describes two data centers in Seattle, but in reality, they are in the same building.

Site Address SqFt Power
DC1 100 4th Avenue N 18,000 2 MW
DC2 140 4th Avenue N, Suite 360 2,200 128 kW

Quick Facts:

  • Formerly operated by Adhost before being acquired by TierPoint in 2012
  • TierPoint leases from the KOMO Plaza (formerly Fisher Plaza), a large Seattle Carrier Hotel.
  • SSAE16 SOC1 & SOC2, Type II
  • 18-inch raised floors
  • Seismically braced cabinets (2,000 lbs capacity each)


  • 10.5 MW of utility power
  • Onsite fuel capacity of over 70,000 gallons
  • Minimum N+1 power delivery systems (UPS/Generator)
  • Multiple, redundant backup diesel generators on standby
  • Generators tested bi-weekly and routinely run at full load

Network Carriers:

Bell Canada
Century Link (Qwest)
Level (3)
TW Telecom
XO Communications

Map and Nearby Locations:

140 4th Ave N. Suite 360

SITES within 15 miles of TierPoint Seattle DC1 and DC2

Show SqM

Distance Site name SqFt
0.00 miles Evocative Seattle SEA1 40,000
0.00 miles KOMO Plaza (was Fisher Plaza)
0.12 miles Lumen Seattle 4 2,300
0.42 miles Digital Fortress Downtown 25,000
0.42 miles NYI Seattle SEA1
0.51 miles Clise: 2020 Fifth 126,000
0.51 miles Equinix Seattle SE3 17,750
0.54 miles Fiberhub SEA1
0.54 miles Colocation Northwest Westin Downtown 8,000
0.54 miles DataBank Westin SEA1 4,040

July 2019

SEA DC1 data sheet

July 2019

SEA DC2 data sheet