King County, WA Flex Space for Sale

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Updated: Aug 12

Church Facility with Gymnasium

33901 9th Ave S, Federal Way, WA 98003

$2,900,000

11,556 sqft

11,556 SF facility on Lot 16A in West Campus Business Park
Approximately 6,000 SF gymnasium‑style open area
Current academy and religious facility use
OP zoning for compatible institutional and service‑oriented uses
New central HVAC system installed in 2024

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This listing looks promising.

Here's a quick look at some key insights for

33901 9th Ave S, Federal Way, WA 98003

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Est. Cap Rate

5.7%
NOI ÷ price
Est. NOI

$166K
Annual
Price @ 7% Cap

$2.37M
Suggested
Property Type

Religious, Church, Worship
Built 1977

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Updated: Aug 8

Standalone Flex Building

724 Auburn Way N, Auburn, WA 98002

$1,495,000

3,828 sqft

±3,828 SF standalone office/flex building
±10,572 SF lot
Built in 2007; extensively renovated in 2022
Large first‑floor open storage/work area
Gated access with on‑site parking

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Industrial Flex Condo with Loading Door

1721 W Valley Hwy Unit 5, Auburn, WA 98001

$650,000

2,160 sqft

M-1-zoned commercial condo combines warehouse, manufacturing, storage, and office areas within a managed industrial complex.

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Flex Space Condominium with Mezzanine

360 Upland Drive, Unit A, Tukwila, WA 98188

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4,791 sqft

Concrete tilt-up unit combines warehouse and office functions with 3-phase power and sprinkler coverage.

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Flex Space with Showroom

25447 Pacific Hwy S, Des Moines, WA 98198

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8,000 sqft

Versatile commercial space combines a showroom with warehouse functionality, gas heat, HVAC, and on-site parking.

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Old Rainier Brewery Mixed-Use Campus

3100 Airport Way S, Seattle, WA 98134

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181,453 sqft

Multi-building Seattle campus combining live/work lofts, creative offices, flex space, studios, and retail uses.

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Light Industrial Flex Building

232 C St NW, Auburn, WA 98001

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13,556 sqft 0.76 AC lot

Leased flex building with dock-high loading, 17’ clear height, and 2,500 SF office/showroom plus mezzanine storage.

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Gated Mixed-Use Property with Shop

41218 292nd Way SE, Enumclaw, WA 98022

$1,699,999

4.30 AC lot

Live-work property pairing a residence with commercial infrastructure, equipment storage, and operational features for an owner-user.

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Flex Building for Office or Warehouse

921 Aurora Ave N, Seattle, WA 98109

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3,568 sqft

Versatile office/office-warehouse building with SM-UP-85(M) zoning for adaptable tenant use.

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Industrial Flex Condominium

340-360 Upland Dr, Tukwila, WA 98188

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4,791 sqft

Vacant small-bay commercial unit with office, warehouse, new roll-up access, and immediate occupancy availability.

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Vacant Flex Building Near Stadium

1701 1st Ave S, Seattle, WA 98134

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27,690 sqft 0.61 AC lot

Vacant three-story building with Urban Industrial zoning and Stadium Overlay designation.

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Concrete Warehouse with Fenced Yard

4302 B Street NW, Auburn, WA 98001

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12,000 sqft

The property combines warehouse space, conditioned offices, available power, and a secured outdoor area for parking and storage.

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Sprinklered Warehouse with Yard

308 S Orcas St, Seattle, WA 98108

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9,670 sqft

Sprinklered warehouse with dock-high loading, 20’ clear height, and a fenced, graveled yard area.

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Clear-Span Warehouse with Office

10001 Lake City Way NE, Seattle, WA 98125

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19,146 sqft 1.41 AC lot

Two-floor industrial facility with clear-span warehouse, heated space, and dock & grade-level loading.

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Standalone Industrial Warehouse

8655 S 208th St, Kent, WA 98032

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38,130 sqft 1.50 AC lot

M1-zoned industrial property with heavy 3-phase power, renovated offices, and a lunchroom.

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Flex Space With Oversized Grade-Level Loading

938 N 127th St, Seattle, WA 98133

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28,837 sqft

Flex office/warehouse building offers oversized grade-level loading with multiple suites available for owner-user use.

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Flex Space with Warehouse

3228-3232 1st Ave S, Seattle, WA 98134

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20,975 sqft 0.32 AC lot

Corner property combines warehouse, storefront, office, and leased practice-room space.

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Corner Flex Space Building with Storefronts

3228 1ST, Seattle, WA 98134

$5,449,950

20,975 sqft 0.32 AC lot

Corner flex space building with storefront frontage, warehouse space, and office suites near major Seattle freeway access.

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Free-Standing Flex Retail Building

5811 6th Ave S, Seattle, WA 98108

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25,500 sqft

One-level flex building with glass storefronts, broad 6th Ave S exposure, and an approximately 11,500 SF vacancy.

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Light Manufacturing Facility with Office

2727-2733 4th Ave S, Seattle, WA 98134

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4,620 sqft

Dual-purpose building with light manufacturing shop, office space, and a two-story retail/office component fronting 4th Ave S.

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C1-Zoned Flex Space Condominium

901 Algona Blvd N, Algona, WA 98001

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3,330 sqft

C1-zoned commercial condominium with commercial and light-industrial use potential.

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Industrial Flex Building for Sale

1401 NW Leary Way, Seattle, WA 98107

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40,445 sqft 1.29 AC lot

40,445-square-foot industrial building on a 1.29-acre site, positioned for owner-user operations at a major intersection.

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Industrial Flex Warehouse with ESFR

6205-6305 S 231st Street, Kent, WA 98032

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71,332 sqft

Modern industrial facility with ESFR sprinklers, dock-high access, and substantial parking for efficient operations.

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Fenced Flex Facility with Yard

7510 5th Avenue South, Seattle, WA 98108

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1,593 sqft

Paved, secured yard supports contractor and specialized logistics operations.

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King County, WA Flex Space Market Trends and Statistics

Explore 76 flex space for sale in King County, WA, showcased through 76 active listings on our real estate platform. These investment opportunities span a total of 1,460,654 square feet of properties for sale, with an estimated market value of $43,721,477.

Sale prices for business spaces in King County, WA start at $375,000, averaging $2,571,851, and reaching up to $10,770,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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