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Renovated Office Building
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640 NW Gilman Blvd, Issaquah, WA 98027

Owner-user office property with elevator-served second floor, mixed-use zoning, and convenient interstate access.

Property Size8,704 SF
Lot Size0.90 Acres
Price / SF$677.85
Days on Market109

Property Features for 640 NW Gilman Blvd

General Information

Standard status Active
Size 8,704 SF
Total Parking Spaces 47
Elevators Yes
Lot size 0.90 Acres
Property subtype OFFICE
Zoning Mixed Use Central Issaquah

Additional Details

Highway Access Yes

Building Details

Year Built 1987
Year Renovated 2021
Listing Agency: Rosen-Harbottle Commercial R.E
Listed By: Brian Stewart
Source: Moodyscre
Added: Jul 21 Changed: Oct 26 Last Checked: Nov 4 at 10:19AM

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 Rosen-Harbottle Commercial R.E

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Investment Insights

Based on property information with market context.

This office building offers up to 8,704 square feet for an owner-user and includes an elevator-served second floor. Built in 1987 and renovated in 2021, the property features a roof recovered in 2019 with a 15-year warranty. Most of the HVAC systems were replaced or upgraded in 2020–2021.

The property includes 47 parking stalls, including some covered stalls, and provides quick access to I-90. Zoning is Mixed Use Central Issaquah, with redevelopment potential up to 85 feet. The building is surrounded by Gilman Blvd retail amenities and occupies a total land area of 39,004 square feet.

Key Highlights

  • Up to 8,704 SF available for owner‑user occupancy
  • 47 parking stalls, including some covered stalls
  • Roof recovered in 2019 with 15‑year warranty

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$183,541
Cap Rate
3.11%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$3,670,820 $3.7M
Cap Rate 7%
$2,622,014 $2.6M
Cap Rate 9%
$2,039,344 $2.0M
Market Conditions
NOI Build-Up for 8,704 SF
Gross rent
$313.3K $36.00/SF
− Vacancy
−$68.6K −$7.88/SF
EGI
$244.7K $28.12/SF
− OpEx
−$61.2K −$7.03/SF
NOI
$183.5K $21.09/SF
Area
King County, WA
Vacancy
21.90%
Lease Rate
$36.00 /SF/Yr
Expense Ratio
25.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$3,670,820
Cap Rate 7%
$2,622,014
Cap Rate 9%
$2,039,344

Alternative Uses

Best Use
Office B
$2.62M
$2.29M – $3.06M (±1% cap)
NOI $183,541 @ 7.0% cap · market cap 3.11%
Second Best
—
—
no second resolved use
Theoretical Best
Office A
$3.49M
$3.05M – $4.07M (±1% cap)
NOI $244,032 @ 7.0% cap · market cap 4.14%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Who owns this building? See the owner, sales and loan history
Open Analytics

Current Use

Office buildings

Suggested Use

Top Pick Electrical Service Barber Shop (Bike/Boat/Book/etc) Store Catering Service Restaurant Carpet & Flooring Store

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

Yes
Highway access

Location Intelligence

Trade Area within ½ mile

2,002
Businesses Nearby

Demographics for 98027, WA

29,089
Population
12,071
Households
2.4
Avg Household Size
41
Median Age
65%
College-Educated
97%
High-School Grad
57.2 sq mi
ZIP Area
509
Density / Sq Mi
$150,000
Median Household Income
$82,823
Median Earnings
$2,343
Median Rent
$976,400
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Average Price Trend$/SF for Office buildings in King County, WA

$479 Jul
$365 Aug
$399 Sep
$395 Oct

Properties on Market for Office buildings in King County

Jul
Aug
Sep
Oct

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

Frequently Asked Questions

What type of property is this?
Office building - Owner-user office property with elevator-served second floor, mixed-use zoning, and convenient interstate access.
Where is this office building located?
The property is located at 640 NW Gilman Blvd Issaquah, WA.
What is the asking price?
The asking price for this property is $5,900,000.
What are key features of this property?
This property features: Up to 8,704 SF available for owner‑user occupancy; 47 parking stalls, including some covered stalls; Roof recovered in 2019 with 15‑year warranty
(425) 289-2222 Call to check price and availability
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