Two Union Square

601 Union Street, Seattle, WA 98101

  • For Lease $28.00 - $34.00/SF/YR
  • Property Type Office - General Office
  • Property Size 1,126,428 SF
  • Lot Size 2.06 Acre
  • Parking Spaces Avail. 720
  • Parking Ratio 0.64 / 1,000 SF
  • Property Tenancy Multi-Tenant
  • LEED Certified Platinum
  • Building Class A+
  • Year Built 1989
  • Date Updated Apr 24, 2025

Two Union Square is a prominent A+ office building totaling 1,126,428 square feet, situated on a 2.06-acre lot in the heart of Seattle. Constructed in 1989, the property is LEED Certified Platinum and features 720 parking spaces with a 0.64 parking ratio. With its modern design and sustainable credentials, the building offers a professional environment suitable for a wide range of businesses.

Set in Seattle's vibrant Central Business District, Two Union Square enjoys proximity to abundant amenities and transportation options. Dining is particularly convenient, with Cortina, World Fresh Asian Eatery, and MOD Pizza all within 0.1 miles. Nearby hotels include the Sheraton Seattle, Hilton Motif Seattle, and Fairmont Olympic Hotel, each under 0.2 miles away. For commuting ease, the Westlake Hub is about 0.3 miles away, and Pioneer Square Station is roughly 0.5 miles from the building. Educational institutions such as the University of Washington - Professional & Continuing Education and Seattle Central College are also close by, adding to the area's dynamic appeal.

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Spaces Available

Contacts

broker

Washington Holdings

broker

Washington Holdings

broker

Washington Holdings

Location

Getting Around

  • Walk Score ®

    98/100 Walker's Paradise
  • Transit Score ®

    100/100 Rider's Paradise
  • Bike Score ®

    76/100 Very Bikeable
Powered by Walk Score ®
  • City Seattle, WA
  • Neighborhood Seattle Central Business District
  • Zip Code 98101
  • Market Seattle

Points of Interest

  • 5th Avenue & Pine Street

    0.19 miles

  • 5th Avenue

    0.22 miles

  • 3rd Avenue & Pine Street

    0.26 miles

  • Westlake Hub

    0.29 miles

  • Westlake And 7th

    0.40 miles

  • Pioneer Square Station

    0.48 miles

  • Pioneer Square

    0.52 miles

  • Broadway & Marion

    0.56 miles

  • Westlake & 9th-Denny

    0.59 miles

  • Seattle

    0.63 miles

  • ChargePoint

    0.31 miles

  • 76

    0.50 miles

  • Greenlots

    0.59 miles

  • Blink

    0.59 miles

  • EVgo

    0.72 miles

  • Shell

    0.77 miles

  • Electrify America

    0.87 miles

  • 7-Eleven

    1.02 miles

  • Volta

    1.48 miles

  • Charge Seattle

    2.71 miles

  • 6th Avenue Garage - Hilton Seattle Parking

    0.07 miles

  • IBM Building Parking

    0.11 miles

  • Decatur Building

    0.15 miles

  • Olympic Garage

    0.19 miles

  • Cobb Garage

    0.20 miles

  • 9th Avenue Garage

    0.20 miles

  • Century Square Garage

    0.21 miles

  • Impark

    0.23 miles

  • Sorreano Parking Garage

    0.26 miles

  • 1201 Third Avenue Parking

    0.26 miles

  • Sheraton Seattle

    0.05 miles

  • Hilton Seattle

    0.07 miles

  • Hilton Motif Seattle

    0.13 miles

  • Crowne Plaza Seattle Downtown

    0.14 miles

  • Fairmont Olympic Hotel

    0.16 miles

  • Grand Hyatt Seattle

    0.16 miles

  • Hotel Theodore

    0.16 miles

  • Hotel Vintage

    0.19 miles

  • W Hotel Seattle

    0.20 miles

  • The Paramount Hotel

    0.20 miles

  • Cortina

    0.01 miles

  • World Fresh Asian Eatery

    0.01 miles

  • Evergreens

    0.04 miles

  • Fresh Table Cafe

    0.04 miles

  • MOD Pizza

    0.05 miles

  • Blue Water Taco Grill

    0.06 miles

  • Sushi Kudasai

    0.06 miles

  • Jimmy John's

    0.06 miles

  • Wildfire Taqueria

    0.06 miles

  • Redtrees

    0.07 miles

  • University of Washington - Professional & Continuing Education

    0.18 miles

  • The Northwest School

    0.37 miles

  • Diana's Market Kitchen

    0.41 miles

  • Spruce Street School

    0.48 miles

  • Coffee Tab

    0.50 miles

  • Morningside Academy

    0.52 miles

  • Cornish College of the Arts

    0.53 miles

  • Seattle Central College

    0.66 miles

  • Seattle University

    0.70 miles

  • Antioch University

    0.74 miles

  • Seattle Infant Development Center

    0.12 miles

  • KinderCare

    0.32 miles

  • Bright Horizons

    0.53 miles

  • Jose Marti Child Development Center

    0.72 miles

  • Bright Horizons South Lake Union

    0.96 miles

  • Denise Louie Education Center

    1.08 miles

  • La Cuenta Spanish Immersion Preschool

    1.49 miles

  • Les Efants de Seattle

    1.73 miles

  • Los Ninos de Seattle

    1.73 miles

  • Little Mountain Montessori

    2.30 miles

Frequently Asked Questions

What is the price for renting office space at Two Union Square?

The average rate for office space here is $31.00/SF/YR, with rates starting at $28.00/SF/YR.

What type of office space is available to lease at Two Union Square?

The property includes 1 Retail space. Availabilities total 250,365 square feet of office space. The property offers Multi-Tenant commercial space. Of the availability currently listed in the building, available spaces include 8 sublease options.

Is Two Union Square suitable for a small business?

Yes, availabilities here may be suitable for small businesses with 10 office spaces under 5,000 square feet available. Space sizes here start at 1,086 square feet.

Does Two Union Square have enough space for a large business?

Yes, availabilities here could accommodate larger businesses with 9 office spaces larger than 10,000 square feet available for lease. The largest office size is 31,485 SF. For a better understanding of how this space could work for you, reach out to schedule a tour.

Does Two Union Square have parking?
Yes, the property offers 720 parking spaces with a parking ratio of 0.64 / 1,000 SF.
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Contact Two Union Square
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