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  1. Office Space
  2. WA
  3. Seattle

Two Union Square

For Lease 139,072 SF

601 Union Street, Seattle, WA 98101

Rental Details

  • Number of spaces 25
  • Total square feet available 139,072 SF
  • For Lease Price on request
  • Space Type Retail, General Office
  • Latest Update Sep 12, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

True

25 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
1332 6th Avenue #4 Retail Price on request 5,440 SF - -

1332 6th Avenue #4

Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,440 SF

Divisible Space

5,440 - 5,440 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1325 General Office Price on request 5,589 SF - -

601 Union Street #1325

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,589 SF

Divisible Space

5,589 - 5,589 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1515 General Office Price on request 6,162 SF - -

601 Union Street #1515

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,162 SF

Divisible Space

6,162 - 6,162 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1606 General Office Price on request 2,709 SF - -

601 Union Street #1606

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,709 SF

Divisible Space

2,709 - 2,709 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1616 General Office Price on request 6,259 SF - -

601 Union Street #1616

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,259 SF

Divisible Space

6,259 - 6,259 SF

Available Date

TBD

Sublease

No

Turnkey

No

601 Union Street #1622 General Office Price on request 1,651 SF - -

601 Union Street #1622

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,651 SF

Divisible Space

1,651 - 1,651 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1624 General Office Price on request 2,182 SF - -

601 Union Street #1624

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,182 SF

Divisible Space

2,182 - 2,182 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1630 General Office Price on request 7,182 SF - -

601 Union Street #1630

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,182 SF

Divisible Space

7,182 - 7,182 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1633 General Office Price on request 3,349 SF - -

601 Union Street #1633

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,349 SF

Divisible Space

3,349 - 3,349 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #2424 General Office Price on request 1,234 SF - -

601 Union Street #2424

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,234 SF

Divisible Space

1,234 - 1,234 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #2723 General Office Price on request 1,028 SF - -

601 Union Street #2723

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,028 SF

Divisible Space

1,028 - 1,028 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3022 General Office Price on request 2,042 SF - -

601 Union Street #3022

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,042 SF

Divisible Space

2,042 - 2,042 SF

Available Date

Immediate

Sublease

No

Turnkey

Yes

601 Union Street #330 General Office Price on request 2,682 SF - -

601 Union Street #330

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,682 SF

Divisible Space

2,682 - 2,682 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3525 General Office Price on request 7,569 SF - -

601 Union Street #3525

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,569 SF

Divisible Space

7,569 - 7,569 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3909 General Office Price on request 5,159 SF - -

601 Union Street #3909

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,159 SF

Divisible Space

5,159 - 5,159 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3920 General Office Price on request 6,483 SF - -

601 Union Street #3920

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,483 SF

Divisible Space

6,483 - 6,483 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #400 General Office Price on request 5,499 SF - -

601 Union Street #400

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,499 SF

Divisible Space

5,499 - 5,499 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4120 General Office Price on request 8,302 SF - -

601 Union Street #4120

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

8,302 SF

Divisible Space

8,302 - 8,302 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #425 General Office Price on request 2,636 SF - -

601 Union Street #425

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,636 SF

Divisible Space

2,636 - 2,636 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4316 General Office Price on request 4,054 SF - -

601 Union Street #4316

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

4,054 SF

Divisible Space

4,054 - 4,054 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4800 General Office Price on request 22,566 SF - -

601 Union Street #4800

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

22,566 SF

Divisible Space

22,566 - 39,488 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4910 General Office Price on request 16,922 SF - -

601 Union Street #4910

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

16,922 SF

Divisible Space

16,922 - 39,488 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #5120 General Office Price on request 3,831 SF - -

601 Union Street #5120

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,831 SF

Divisible Space

3,831 - 3,831 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #520 General Office Price on request 5,080 SF - -

601 Union Street #520

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,080 SF

Divisible Space

5,080 - 5,080 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #5305 General Office Price on request 3,462 SF - -

601 Union Street #5305

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,462 SF

Divisible Space

3,462 - 3,462 SF

Available Date

Immediate

Sublease

No

Turnkey

No

1332 6th Avenue #4

Space Type
Retail
Lease Rate
Price on request
Total Space
5,440 SF
Space Type

Retail

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,440 SF

Divisible Space

5,440 - 5,440 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1325

Space Type
General Office
Lease Rate
Price on request
Total Space
5,589 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,589 SF

Divisible Space

5,589 - 5,589 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1515

Space Type
General Office
Lease Rate
Price on request
Total Space
6,162 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,162 SF

Divisible Space

6,162 - 6,162 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1606

Space Type
General Office
Lease Rate
Price on request
Total Space
2,709 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,709 SF

Divisible Space

2,709 - 2,709 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1616

Space Type
General Office
Lease Rate
Price on request
Total Space
6,259 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,259 SF

Divisible Space

6,259 - 6,259 SF

Available Date

TBD

Sublease

No

Turnkey

No

601 Union Street #1622

Space Type
General Office
Lease Rate
Price on request
Total Space
1,651 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,651 SF

Divisible Space

1,651 - 1,651 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1624

Space Type
General Office
Lease Rate
Price on request
Total Space
2,182 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,182 SF

Divisible Space

2,182 - 2,182 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1630

Space Type
General Office
Lease Rate
Price on request
Total Space
7,182 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,182 SF

Divisible Space

7,182 - 7,182 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #1633

Space Type
General Office
Lease Rate
Price on request
Total Space
3,349 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,349 SF

Divisible Space

3,349 - 3,349 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #2424

Space Type
General Office
Lease Rate
Price on request
Total Space
1,234 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,234 SF

Divisible Space

1,234 - 1,234 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #2723

Space Type
General Office
Lease Rate
Price on request
Total Space
1,028 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

1,028 SF

Divisible Space

1,028 - 1,028 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3022

Space Type
General Office
Lease Rate
Price on request
Total Space
2,042 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,042 SF

Divisible Space

2,042 - 2,042 SF

Available Date

Immediate

Sublease

No

Turnkey

Yes

601 Union Street #330

Space Type
General Office
Lease Rate
Price on request
Total Space
2,682 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,682 SF

Divisible Space

2,682 - 2,682 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3525

Space Type
General Office
Lease Rate
Price on request
Total Space
7,569 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,569 SF

Divisible Space

7,569 - 7,569 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3909

Space Type
General Office
Lease Rate
Price on request
Total Space
5,159 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,159 SF

Divisible Space

5,159 - 5,159 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #3920

Space Type
General Office
Lease Rate
Price on request
Total Space
6,483 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,483 SF

Divisible Space

6,483 - 6,483 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #400

Space Type
General Office
Lease Rate
Price on request
Total Space
5,499 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,499 SF

Divisible Space

5,499 - 5,499 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4120

Space Type
General Office
Lease Rate
Price on request
Total Space
8,302 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

8,302 SF

Divisible Space

8,302 - 8,302 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #425

Space Type
General Office
Lease Rate
Price on request
Total Space
2,636 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,636 SF

Divisible Space

2,636 - 2,636 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4316

Space Type
General Office
Lease Rate
Price on request
Total Space
4,054 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

4,054 SF

Divisible Space

4,054 - 4,054 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4800

Space Type
General Office
Lease Rate
Price on request
Total Space
22,566 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

22,566 SF

Divisible Space

22,566 - 39,488 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #4910

Space Type
General Office
Lease Rate
Price on request
Total Space
16,922 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

16,922 SF

Divisible Space

16,922 - 39,488 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #5120

Space Type
General Office
Lease Rate
Price on request
Total Space
3,831 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,831 SF

Divisible Space

3,831 - 3,831 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #520

Space Type
General Office
Lease Rate
Price on request
Total Space
5,080 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,080 SF

Divisible Space

5,080 - 5,080 SF

Available Date

Immediate

Sublease

No

Turnkey

No

601 Union Street #5305

Space Type
General Office
Lease Rate
Price on request
Total Space
3,462 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,462 SF

Divisible Space

3,462 - 3,462 SF

Available Date

Immediate

Sublease

No

Turnkey

No

Contacts

TN
Thomas M. Newell

Washington Holdings

TH
Tim Holt

Washington Holdings

Building Details

  • For Lease Price on request
  • Property Type Office - General Office
  • Property Size 1,126,428 SF
  • Lot Size 2.06 SF
  • Additional Rent Price on request
  • Date Updated Sep 12, 2026

Location

  • City Seattle, WA
  • Neighborhood Seattle Central Business District
  • Zip Code 98101
  • Market Seattle
  • Map
  • Street
  • Walk score 98/100 Walker's Paradise
  • Transit score 100/100 Rider's Paradise
  • Bike score 76/100 Very Bikeable
Powered by Walk Score ®

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

Hertz

0.14 miles

Tempus Detailing

0.19 miles

Budget

0.26 miles

Avis

0.26 miles

Mutual Detail

0.27 miles

Zipcars

0.29 miles

National

0.32 miles

SIXT

0.32 miles

Enterprise

0.32 miles

Zipcar

0.66 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

Nordstrom

0.20 miles

Pacific Place

0.22 miles

Ross

0.22 miles

Westlake Center

0.25 miles

Target

0.30 miles

H Mart

0.35 miles

Metropolitan Deli + Cafe

0.45 miles

Whole Foods Market

0.55 miles

City Market

0.56 miles

QFC

0.60 miles

ZoomCare

0.05 miles

Downtown Seattle Medical Center

0.06 miles

Virginia Mason Hospital & Seattle Medical Center

0.24 miles

Walgreens

0.25 miles

Passport Health Downtown Seattle Travel Clinic

0.25 miles

Seattle Infectious Disease Clinic

0.25 miles

Optum Madison Center

0.27 miles

CVS Pharmacy

0.31 miles

Seattle Surgery Center

0.36 miles

Chesterfield Services

0.37 miles

Listing Summary

  • Office Space Available at 601 Union Street

    Office space currently available at 601 Union Street adds up to a total of 139,072 square feet across 25 listing(s). The largest individual space listed offers 22,566 square feet. Property use types available for lease at this property include: retail and general office.

  • Learn More about 601 Union Street

    601 Union Street is located in the Seattle market and pertains to the 98101 zip code. The property incorporates a total of 139,072 square feet of space. Within the same building, there are 5,440 square feet of Retail space.

    Interested in researching more about this property? Access in-depth research on 601 Union Street, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

  • Get to Know the Neighborhood

    In the Seattle Central Business District neighborhood, where 601 Union Street is located, you can currently find 928 office space(s) for rent. In total, this amounts to 10,184,520 square feet of available office space for lease opportunities.

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