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Office Building with Private Offices
For Lease
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500 Union St, Seattle, WA 98101

Professional services office build out featuring perimeter layout and private offices.

Property Size6,288 SF
Days on Market396

Property Features for 500 Union St

General Information

Standard status Active
Size 6,288 SF
Property subtype OFFICE
Listing Agency: Broderick Group, Inc.
Listed By: Damon McCartney
Source: Moodyscre
Added: Jul 2, 2025 Changed: Jul 30 Last Checked: Jul 31 at 9:39AM

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 Broderick Group, Inc.

Investment Insights

Based on property information with market context.

This office building features a professional services build out with a perimeter layout and private offices, designed to support teams needing dedicated workspaces. The space totals 6,288 square feet.

The property is located at 500 Union St in Seattle, WA 98101. A perimeter configuration with private offices can be a strong fit for professional uses that benefit from a mix of collaboration along the perimeter and enclosed rooms for focused work.

Available for rent, the existing build out provides a starting point for tenants looking for private office space within a perimeter-style plan.

Key Highlights

  • 6,288 square feet office building
  • Professional services build out with perimeter layout
  • Private offices throughout the space

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

23,240
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

$29.47 /SF/Yr
Avg Asking Price
$20–$42.5 /SF/Yr
Price Range
8,665 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
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Frequently Asked Questions

What type of property is this?
Office building - Professional services office build out featuring perimeter layout and private offices.
Where is this office building located?
The property is located at 500 Union St Seattle, WA.
What are key features of this property?
This property features: 6,288 square feet office building; Professional services build out with perimeter layout; Private offices throughout the space
(206) 838-7633 Call to check price and availability
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