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Mercer Island Professional Office Building
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8015 SE 28th St, Mercer Island, WA 98040

Professional office space in the heart of Mercer Island.

Space Size596 SF
Property Size16,930 SF
Days on Market349

Property Features for 8015 SE 28th St

General Information

Standard status Active
Size 596 SF
Class B
Property subtype Office
Lease Type NNN

Building Details

Building Size 16,930 SF
Year Built 2002
Tenancy Multiple

Spaces For Lease

at 8015 SE 28th St Contact us

Suite 312

Size
596 SF
Type
Office
Lease Type
NNN
Availability
Active
Contact us
Listing Agency: RGM Commercial Real Estate
Listed By: Robert Messmer · License #1146
Source: Crexi
Added: Sep 23, 2025 Changed: Aug 22 Last Checked: Aug 31 at 2:35PM

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 RGM Commercial Real Estate

Investment Insights

Based on property information with market context.

This professional office building is located in the heart of Downtown Mercer Island, Washington, just off of I-90 and Island Crest Way. Comcast Business is available. The building features key card entry and covered parking. A convenient walkway provides access to downtown shops and restaurants.

Key Highlights

  • Prime Downtown Mercer Island location, offering convenient access to shops and restaurants.
  • Easy access to I‑90 and Island Crest Way.
  • Covered parking available.

Property Analytics

Current Use

Sloan Kevin L ... Physician Pacific Dental Alliance Dental Office ALODERMA (Bike/Boat/Book/etc) Store Law Office of J.D. ... Law Firm Mercer Island Therapy Psychotherapist

Suggested Use

Top Pick Auto Repair Shop (Bike/Boat/Book/etc) Store Storage Facility Catering Service Grocery & Convenience Store Garden Center

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
$4.35 /SF/Yr
CAM

Location Intelligence

Trade Area within ½ mile

1,429
Businesses Nearby

Demographics for 98040, WA

25,748
Population
10,454
Households
2.5
Avg Household Size
44
Median Age
79%
College-Educated
98%
High-School Grad
6.4 sq mi
ZIP Area
4,023
Density / Sq Mi
$202,359
Median Household Income
$96,073
Median Earnings
$2,464
Median Rent
$1,884,200
Median Home Value

Market

Vacancy Rate% for Office in West region

11% 2019
14.1% 2020
15.5% 2021
17.2% 2022
19.9% 2023
21% 2024
20.8% 2025
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Frequently Asked Questions

What type of property is this?
Office building - Professional office space in the heart of Mercer Island.
Where is this office building located?
The property is located at 8015 SE 28th St Mercer Island, WA.
What is the lease rate?
The lease rate is $29 SF/Yr.
What are key features of this property?
This property features: Prime Downtown Mercer Island location, offering convenient access to shops and restaurants.; Easy access to I‑90 and Island Crest Way.; Covered parking available.
(425) 452-3052 Call to check price and availability
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