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601 Union St
Seattle, WA 98101
Two Union Square · Retail Property For Lease · 156,661 SF

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HIGHLIGHTS

  • Northwest-inspired design
  • Light Rail Station within 0.2 miles
  • Immediate access to I-5 and SR-99 on/off ramps
  • Surrounded by hotels, dining, shopping, and entertainment options

PROPERTY OVERVIEW

One and Two Union Square are among the most prestigious and inviting places to do business in Seattle. Award-winning, icon of sustainability, LEED Platinum certified, northwest-inspired design, dramatic views, splendid courtyards, superior office finishes, stateof-the-art systems and a management team dedicated to exceeding tenant expectations, all combine to make Union Square Seattle’s premier business address.

  • Atrium
  • Banking
  • Bus Line
  • Conferencing Facility
  • Convenience Store
  • Courtyard
  • Dry Cleaner
  • Pond
  • Property Manager on Site
  • Restaurant
  • Security System
  • Storage Space
  • Car Charging Station
  • Central Heating
  • Natural Light
  • Reception
  • Air Conditioning

PROPERTY FACTS

Building Type
Office
Year Built
1989
LoopNet Rating
5 Star
Building Height
56 Stories
Building Size
1,165,441 SF
Building Class
A
Typical Floor Size
20,811 SF
Unfinished Ceiling Height
12’

SUSTAINABILITY

LEED Certified
Platinum
LEED certification is a globally recognized symbol of sustainability achievement.

SUSTAINABILITY

LEED Certification Developed by the U.S. Green Building Council (USGBC), the Leadership in Energy and Environmental Design (LEED) is a green building certification program focused on the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods, which aims to help building owners and operators be environmentally responsible and use resources efficiently. LEED certification is a globally recognized symbol of sustainability achievement and leadership. To achieve LEED certification, a project earns points by adhering to prerequisites and credits that address carbon, energy, water, waste, transportation, materials, health and indoor environmental quality. Projects go through a verification and review process and are awarded points that correspond to a level of LEED certification: Platinum (80+ points) Gold (60-79 points) Silver (50-59 points) Certified (40-49 points)

  • Listing ID: 24861613

  • Date on Market: 1/6/2026

  • Last Updated:

  • Address: 601 Union St, Seattle, WA 98101

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