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Seatac, WA

Building

Seatac, WA Office Buildings for Sale

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Des Moines, WA Seattle, WA Tukwila, WA Shoreline, WA Burien, WA Normandy Park, WA Kent, WA Renton, WA

Class A Office Suites Available

Updated: Nov 21, 2025

Class A Office Suites Available

21400 International Blvd, Seatac, WA 98198

Contact for pricing

16,573 sqft

Prime SeaTac location with convenient access to I‑5, new light rail, and SR 509 extensions.
Multiple office suites available in a Class A office building.
Close proximity to major transportation hubs and corporate offices.
Impressive presence overlooking International Blvd with waterway and airport runway views.
Plentiful parking available.

Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center

Based on your search, we've compiled 46 Potential Opportunities for your consideration. Besides 1 Active listings in Seatac, WA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 37 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Class A Office Building

Class A Office Building

6703 S 234th St, Kent, WA 98032

$6,500,000

32,077 sqft

Architecturally appealing Class A office building in Kent Valley.

Class A Office Building

Class A Office Building

6703 S 234th St, Kent, WA 98032

Contact for pricing

35,550 sqft

Class A office building in a prime Kent Valley location.

Tukwila Office Building For Sale

Tukwila Office Building For Sale

565 Andover Park West, Tukwila, WA 98188

$2,768,500

10,358 sqft 7.24 AC lot

Office building with 10,358 square feet of space in Tukwila.

Tukwila Office Building For Sale

Tukwila Office Building For Sale

655 Andover Park W, Tukwila, WA 98188

$5,043,375

22,415 sqft 6.89 AC lot

Office building with 22,415 square feet of space in Tukwila.

Potential Development Sites for Consideration

Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

Commercial Arterial Zoned Land

Commercial Arterial Zoned Land

4325 NE Sunset Blvd, Renton, WA 98059

$2,000,000

Commercial land suitable for various developments, flexible seller terms.

Commercial Land on Highway 7

Commercial Land on Highway 7

26527 Mountain Highway East, Spanaway, WA 98387

$750,000

10.00 AC lot

10 acres of commercial land with highway exposure.

Prime Commercial Land Opportunity

Prime Commercial Land Opportunity

18215 SW Sargent Road, Rochester, WA 98579

$649,900

10.40 AC lot

10.4 acres of level commercial land with development potential.

Downtown Corner Lot with Views

Downtown Corner Lot with Views

999 East 1st Street, Port Angeles, WA 98362

$115,000

0.16 AC lot

Terraced corner lot in downtown Port Angeles with mountain views.

Off-Market Properties in Seatac, WA

Consider similar Off-Market properties in Seatac, WA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

18000 International Blvd

OFFICE BUILDING

18000 International Blvd, Seatac, WA 98188-4253

$44,710,000

Estimated value

226,771 sqft 14.95 AC lot

OFFICE BUILDING

2701 200th St, Seatac, WA 98198-5206

Value Estimation by Request

300 sqft 0.73 AC lot

OFFICE BUILDING

3100 176th St, Seatac, WA 98188-4051

$4,365,000

Estimated value

24,211 sqft 1.52 AC lot

19518 International Blvd

OFFICE BUILDING

19518 International Blvd, Seatac, WA 98188-5493

$2,250,000

Estimated value

13,390 sqft 0.89 AC lot

18625 Des Moines Memorial S Dr

OFFICE BUILDING

18625 Des Moines Memorial S Dr, Seatac, WA 98148-1921

$3,650,000

Estimated value

14,270 sqft 8.81 AC lot

20313 28th S Ave

OFFICE BUILDING

20313 28th S Ave, Seatac, WA 98198-5228

$21,705,000

Estimated value

91,636 sqft 4.18 AC lot

OFFICE BUILDING

1200 192nd St, Seatac, WA 98148-2345

Value Estimation by Request

21,154 sqft 0.40 AC lot

OFFICE BUILDING

2800 192nd St, Seatac, WA 98188-5100

$4,020,000

Estimated value

36,724 sqft 0.98 AC lot

21400 International Blvd

OFFICE BUILDING

21400 International Blvd, Seatac, WA 98198-6086

$2,235,000

Estimated value

16,573 sqft 0.76 AC lot

OFFICE BUILDING

2821 154th St, Seatac, WA 98188-2034

$1,465,000

Estimated value

7,872 sqft 0.61 AC lot

OFFICE BUILDING

2825 154th St, Seatac, WA 98188-2034

$665,000

Estimated value

2,280 sqft 1.03 AC lot

19530 International Blvd

OFFICE BUILDING

19530 International Blvd, Seatac, WA 98188-5494

$2,940,000

Estimated value

20,852 sqft 0.68 AC lot

16704 International Blvd

OFFICE BUILDING

16704 International Blvd, Seatac, WA 98188-3116

$1,065,000

Estimated value

5,184 sqft 0.21 AC lot

19235 International Blvd

OFFICE BUILDING

19235 International Blvd, Seatac, WA 98188-5302

$27,545,000

Estimated value

128,291 sqft 1.57 AC lot

19550 International Blvd

OFFICE BUILDING

19550 International Blvd, Seatac, WA 98188-5426

$3,100,000

Estimated value

18,451 sqft 1.02 AC lot

16015 International Blvd

OFFICE BUILDING

16015 International Blvd, Seatac, WA 98188-2651

$520,000

Estimated value

2,704 sqft 0.16 AC lot

OFFICE BUILDING

860 192nd St, Seatac, WA 98148-2208

Value Estimation by Request

2,505 sqft 0.75 AC lot

16025 International Blvd

OFFICE BUILDING

16025 International Blvd, Seatac, WA 98188-2651

Value Estimation by Request

1,998 sqft 4.22 AC lot

19600 International Blvd

OFFICE BUILDING

19600 International Blvd, Seatac, WA 98188-5481

$2,980,000

Estimated value

13,886 sqft 0.50 AC lot

OFFICE BUILDING

2907 170th St, Seatac, WA 98188-3505

Value Estimation by Request

2,294 sqft 0.62 AC lot

15220 32nd S Ave

OFFICE BUILDING

15220 32nd S Ave, Seatac, WA 98188-2101

$1,085,000

Estimated value

4,064 sqft 0.60 AC lot

19415 International Blvd

OFFICE BUILDING

19415 International Blvd, Seatac, WA 98188-5309

$5,515,000

Estimated value

33,600 sqft 1.62 AC lot

19540 International Blvd

OFFICE BUILDING

19540 International Blvd, Seatac, WA 98188-5474

$2,905,000

Estimated value

20,852 sqft 0.70 AC lot

Seatac, WA Office Buildings Market Trends and Statistics

Explore 38 office buildings for sale in Seatac, WA on our real estate platform. These investment opportunities span a total of 16,573 square feet of properties for sale, with an estimated market value of $24.

Sale prices for office properties in Seatac, WA start at $24, averaging $24, and reaching up to $24 — 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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Top Commercial Asset Segments

Commercial property segments ranked by active listings on the market

Demographics Overview

Population 112K

Population Growth (5Y) +1.7%

Median Household Income $82,767

College Educated 28.3%

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