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Flex Industrial Building
For Sale
$5,900,000

18700 Southcenter, Tukwila, WA 98188

Industrial facility combining renovated office space with a high-clear warehouse and dock access.

Property Size42,678 SF
Lot Size2.19 Acres
Price / SF$138.24
Days on Market69

Property Features for 18700 Southcenter

General Information

Standard status Active
Size 42,678 SF
Net Rentable 42,678 SF
Lot size 2.19 Acres
Property subtype Commercial
Zoning Heavy Industrial

Site & Location

Highway Access Yes
Utilities to Site Yes

Warehouse & Industrial

Clear Height 24 ft
Warehouse Space 30,148 SF
Office Build-Out 12,530 SF
Dock-High Doors 5
Power 1,000 amps
Voltage 480 V
Heavy Power Yes

Building Details

Buildings 1
Building Size 42,678 SF
Listing Agency: Urban Commercial Partners,LLC
Listed By: Patrick Suarez
Source: Century21northhomes
Added: Aug 10 Changed: Oct 16 Last Checked: Oct 16 at 8:57AM

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 Urban Commercial Partners,LLC

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Investment Insights

Based on property information with market context.

The Gaco Western Building is a 42,678 rentable SF flex facility with 30,148 SF of warehouse area and 12,530 SF of recently renovated office space arranged over two floors. The warehouse provides 24-foot clear height, five dock-high doors, and two doors with drive-up ramp access. Heavy power service at 480 volts and 1,000 amps supports manufacturing, logistics, and other industrial operations.

The property occupies 95,537 SF of land at 18700 Southcenter in Tukwila, Washington, with Heavy Industrial zoning. Its location provides access to I-5, I-405, the Port of Seattle, SeaTac International Airport, Southcenter, and the Kent Valley.

Key Highlights

  • 42,678 rentable SF flex facility on 95,537 SF of land
  • 30,148 SF warehouse with 24‑foot clear height
  • 12,530 SF of recently renovated office space across two floors

Financial Insights

Estimated NOI and Cap Rate

NOI / Yr
$521,203
Cap Rate
8.83%
Suggested Prices Based on Cap Rates
Cap Rate 5%
$10,424,060 $10.4M
Cap Rate 7%
$7,445,757 $7.4M
Cap Rate 9%
$5,791,144 $5.8M
Market Conditions
NOI Build-Up for 42,678 SF
Gross rent
$665.8K $15.60/SF
− Vacancy
−$52.6K −$1.23/SF
EGI
$613.2K $14.37/SF
− OpEx
−$92.0K −$2.16/SF
NOI
$521.2K $12.21/SF
Area
King County, WA
Vacancy
7.90%
Lease Rate
$15.60 /SF/Yr
Expense Ratio
15.00%
Simulate Cap Rate and NOI
Suggested Prices Based on Cap Rates
Cap Rate 5%
$10,424,060
Cap Rate 7%
$7,445,757
Cap Rate 9%
$5,791,144

Alternative Uses

Best Use
Office B
$12.86M
$11.25M – $15.00M (±1% cap)
NOI $899,951 @ 7.0% cap · market cap 15.25%
Second Best
Flex RnD
$8.75M
$7.66M – $10.21M (±1% cap)
NOI $612,711 @ 7.0% cap · market cap 10.38%
Theoretical Best
Office A
$17.09M
$14.96M – $19.94M (±1% cap)
NOI $1,196,555 @ 7.0% cap · market cap 20.28%
Zoning and permitted uses should be independently verified with authorities. How Realmo checks its estimates

Property Analytics

Current Use

Flex space

Suggested Use

Top Pick Butcher (Bike/Boat/Book/etc) Store Tanning Salon Auto Parts Store Fish Market Bed & Breakfast

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

24 ft
Clear height
5
Dock-high doors
Yes
Heavy power
Yes
Highway access
Yes
Utilities to site

Location Intelligence

Trade Area within ½ mile

1,949
Businesses Nearby
Well-served
Demand for This Use

Demographics for 98188, WA

27,851
Population
12,025
Households
2.3
Avg Household Size
37
Median Age
26%
College-Educated
88%
High-School Grad
8.1 sq mi
ZIP Area
3,438
Density / Sq Mi
$76,559
Median Household Income
$45,245
Median Earnings
$1,641
Median Rent
$452,900
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

Similar Off Market Nearby

  • Best Catering — 662 Industry Dr, Tukwila, WA 98188
  • Moctezuma's Mexican Restaurant — 1150 Southcenter Mall, Tukwila, WA 98188
  • ACT 3 Catering — 15665 Nelson Pl, Tukwila, WA 98188

Frequently Asked Questions

What type of property is this?
Flex space - Industrial facility combining renovated office space with a high-clear warehouse and dock access.
Where is this flex space located?
The property is located at 18700 Southcenter Tukwila, 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: 42,678 rentable SF flex facility on 95,537 SF of land; 30,148 SF warehouse with 24‑foot clear height; 12,530 SF of recently renovated office space across two floors
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