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Downtown Seattle Office Space
For Lease
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500 Union Street, Seattle, WA 98101

Office space available for rent in downtown Seattle.

Space SizeContact for details
Days on Market273

Property Features for 500 Union Street

General Information

Standard status Active
Property subtype Office
Listing Agency:
Listed By: Dan Marconi
Source: Cbre
Added: Nov 22, 2025 Changed: Aug 9 Last Checked: Aug 9 at 7:54PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Dan Marconi

Investment Insights

Based on property information with market context.

This commercial property offers 6519 square feet of office space for rent. Located in downtown Seattle, Washington, at 500 Union Street, the property is suitable for various business operations seeking a central location.

Key Highlights

  • Office space available
  • For rent
  • Prime Downtown Seattle location

Property Analytics

Current Use

Heery International Architect Medix Employment Agency Siderius Lonergan & Martin ... Law Firm LabKey Software (Bike/Boat/Book/etc) Store Roen Associates - Seattle Construction Company

Suggested Use

Top Pick (Bike/Boat/Book/etc) Store Pet Grooming Service Electrical Service Pet Store Clothing & Fashion Store Pet Store & Service

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

17,023
Businesses Nearby

Demographics for 98101, WA

16,237
Population
13,193
Households
1.2
Avg Household Size
36
Median Age
71%
College-Educated
96%
High-School Grad
0.5 sq mi
ZIP Area
32,474
Density / Sq Mi
$128,143
Median Household Income
$106,620
Median Earnings
$2,476
Median Rent
$741,400
Median Home Value

Market

Lease Benchmarks for Seattle, WA

$28.39 /SF/Yr
Avg Asking Price
$4.18–$53 /SF/Yr
Price Range
12,392 SF
Avg Space Size

Vacancy Rate% for Office in Seattle, WA

8.5% 2019
13.4% 2020
17.6% 2021
19.5% 2022
24.3% 2023
30% 2024
32.3% 2025
Rey
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Frequently Asked Questions

What type of property is this?
Office units - Office space available for rent in downtown Seattle.
Where is this office units located?
The property is located at 500 Union Street Seattle, WA.
What are key features of this property?
This property features: Office space available; For rent; Prime Downtown Seattle location
More about this property
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