One Union Square
600 University St, Seattle, WA 98101
One Union Square Office Space for Rent
30 Spaces AvailableSpec Suite 
Space 1312
Size
9,731 SF
Can fit*
1 - 75 PPL
Price
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Workspace
Suite 1100
Size
18,832 SF
Can fit*
1 - 151 PPL
Price
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Workspace
Suite 1328
Size
2,457 SF
Can fit*
1 - 20 PPL
Price
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Workspace
Suite 1400
Size
18,936 SF
Can fit*
1 - 151 PPL
Price
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Workspace
Suite 1500
Size
9,731 SF
Can fit*
1 - 111 PPL
Price
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Spec Suite
Suite 1620
Size
2,643 SF
Can fit*
1 - 22 PPL
Price
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Spec Suite
Suite 1710
Size
3,534 SF
Can fit*
1 - 28 PPL
Price
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Workspace
Suite 1730
Size
3,077 SF
Can fit*
1 - 25 PPL
Price
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Workspace
Suite 2200
Size
13,065 SF
Can fit*
1 - 105 PPL
Price
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Spec Suite
Suite 2323
Size
6,222 SF
Can fit*
1 - 50 PPL
Price
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Spec Suite
Suite 2325
Size
1,193 SF
Can fit*
1 - 10 PPL
Price
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Spec Suite
Suite 2808
Size
3,255 SF
Can fit*
1 - 26 PPL
Price
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Spec Suite
Suite 2914
Size
1,943 SF
Can fit*
1 - 23 PPL
Price
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Spec Suite
Suite 3011
Size
812 SF
Can fit*
1 - 6 PPL
Price
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Spec Suite
Suite 3018
Size
998 SF
Can fit*
1 - 8 PPL
Price
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Spec Suite
Suite 3100
Size
19,605 SF
Can fit*
1 - 157 PPL
Price
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Workspace
Suite 314
Size
2,118 SF
Can fit*
1 - 17 PPL
Price
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Spec Suite
Suite 3220
Size
7,000 SF
Can fit*
1 - 56 PPL
Price
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Workspace
Suite 410
Size
6,201 SF
Can fit*
1 - 14 PPL
Price
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Workspace
Suite 416
Size
1,746 SF
Can fit*
1 - 14 PPL
Price
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Spec Suite
Suite 503
Size
3,039 SF
Can fit*
1 - 24 PPL
Price
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Workspace
Suite 600
Size
4,845 SF
Can fit*
1 - 39 PPL
Price
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Workspace
Suite 620
Size
2,650 SF
Can fit*
1 - 21 PPL
Price
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Workspace
Suite 700
Size
13,908 SF
Can fit*
1 - 111 PPL
Price
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Spec Suite
Suite 710
Size
4,924 SF
Can fit*
1 - 39 PPL
Price
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Spec Suite
Suite 800
Size
1,872 SF
Can fit*
1 - 15 PPL
Price
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Spec Suite
Suite 804
Size
2,002 SF
Can fit*
1 - 16 PPL
Price
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Workspace
Suite 830
Size
1,037 SF
Can fit*
1 - 8 PPL
Price
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Spec Suite
Suite 900
Size
6,014 SF
Can fit*
1 - 72 PPL
Price
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Spec Suite
Suite 902
Size
1,203 SF
Can fit*
1 - 10 PPL
Price
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*OfficeSpace.com is suggesting this space is suitable for the listed amount of people, based on a calculation of 1 person = 125 SF.
Property Details
Property Type
Office
Property Size
672,477 sqft
Last Updated
9/4/2025
Parking
1/2,500
One Union Square location
City
Seattle
Neighborhood
Central Business District
Zip Code
98101
Market
Downtown