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    Seatac, WA Office Buildings for Sale

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    Des Moines, WA Seattle, WA Tukwila, WA
    Class A Office Suites Available
    Contact for pricing
    Class A Office Suites Available

    21400 International Blvd, Seatac, WA 98198

    Prime SeaTac location with plentiful parking and nearby amenities.
    • Prime SeaTac location with convenient access to I‑5, new light rail, and SR 509 extensions.
    • Class A office building with impressive presence overlooking International Blvd, waterway views, and distant airport runway views.
    • Proximity to major transportation hubs (14 blocks from airport runway) and corporate offices (Alaska Airlines, FAA).
    • Plentiful parking available.
    • Nearby retail amenities.
    Updated: Mar 6
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    Class A Office Suites Available
    Contact for pricing
    16,573 SF
    Class A Office Suites Available

    21400 International Blvd, Seatac, WA 98198

    Prime SeaTac location with nearby retail and transportation.
    • 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.
    Updated: Nov 21, 2025
    View details
    Based on your search, we've compiled 47 Potential Opportunities for your consideration. Besides 2 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
    Contact for pricing
    Class A Office Building

    Class A office building in a prime Kent Valley location.

    6703 S 234th St, Kent, WA 98032

    View details
    Tukwila Freestanding Retail/Office Building
    $5,890,000
    23,422 SF
    Tukwila Freestanding Retail/Office Building

    Three-story building suitable for retail, showroom, office, or live-work.

    16705 Southcenter Pkwy, Tukwila, WA 98188

    View details
    Class A Office Building
    Contact for pricing
    35,550 SF
    Class A Office Building

    Class A office building in a prime Kent Valley location.

    6703 S 234th St, Kent, WA 98032

    View details
    Tukwila Office Building For Sale
    $5,043,375
    22,415 SF
    Tukwila Office Building For Sale

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

    655 Andover Park W, Tukwila, WA 98188

    View details

    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
    $2,000,000
    Commercial Arterial Zoned Land

    Commercial land suitable for various developments, flexible seller terms.

    4325 NE Sunset Blvd, Renton, WA 98059

    View details
    Commercial Land on Highway 7
    $750,000
    10.00 Acres
    Commercial Land on Highway 7

    10 acres of commercial land with highway exposure.

    26527 Mountain Highway East, Spanaway, WA 98387

    View details
    Prime Commercial Land Opportunity
    $649,900
    10.40 Acres
    Prime Commercial Land Opportunity

    10.4 acres of level commercial land with development potential.

    18215 SW Sargent Road, Rochester, WA 98579

    View details
    Downtown Corner Lot with Views
    $115,000
    0.16 Acres
    Downtown Corner Lot with Views

    Terraced corner lot in downtown Port Angeles with mountain views.

    999 East 1st Street, Port Angeles, WA 98362

    View details

    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
    226,771 SF Lot: 14.95 Acres
    Estimated value
    $44,710,000

    18000 International Blvd, Seatac, WA 98188-4253

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    2701 200th St
    OFFICE BUILDING
    300 SF Lot: 0.73 Acres
    Value Estimation by Request

    2701 200th St, Seatac, WA 98198-5206

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    3100 176th St
    OFFICE BUILDING
    24,211 SF Lot: 1.52 Acres
    Estimated value
    $4,365,000

    3100 176th St, Seatac, WA 98188-4051

    View details
    19518 International Blvd
    OFFICE BUILDING
    13,390 SF Lot: 0.89 Acres
    Estimated value
    $2,250,000

    19518 International Blvd, Seatac, WA 98188-5493

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    18625 Des Moines Memorial S Dr
    OFFICE BUILDING
    14,270 SF Lot: 8.81 Acres
    Estimated value
    $3,650,000

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

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    20313 28th S Ave
    OFFICE BUILDING
    91,636 SF Lot: 4.18 Acres
    Estimated value
    $21,705,000

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

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    1200 192nd St
    OFFICE BUILDING
    21,154 SF Lot: 0.40 Acres
    Value Estimation by Request

    1200 192nd St, Seatac, WA 98148-2345

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    2800 192nd St
    OFFICE BUILDING
    36,724 SF Lot: 0.98 Acres
    Estimated value
    $4,020,000

    2800 192nd St, Seatac, WA 98188-5100

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    21400 International Blvd
    OFFICE BUILDING
    16,573 SF Lot: 0.76 Acres

    21400 International Blvd, Seatac, WA 98198-6086

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    2821 154th St
    OFFICE BUILDING
    7,872 SF Lot: 0.61 Acres
    Estimated value
    $1,465,000

    2821 154th St, Seatac, WA 98188-2034

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    2825 154th St
    OFFICE BUILDING
    2,280 SF Lot: 1.03 Acres
    Estimated value
    $665,000

    2825 154th St, Seatac, WA 98188-2034

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    19530 International Blvd
    OFFICE BUILDING
    20,852 SF Lot: 0.68 Acres

    19530 International Blvd, Seatac, WA 98188-5494

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    16704 International Blvd
    OFFICE BUILDING
    5,184 SF Lot: 0.21 Acres
    Estimated value
    $1,065,000

    16704 International Blvd, Seatac, WA 98188-3116

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    19235 International Blvd
    OFFICE BUILDING
    128,291 SF Lot: 1.57 Acres
    Estimated value
    $27,545,000

    19235 International Blvd, Seatac, WA 98188-5302

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    19550 International Blvd
    OFFICE BUILDING
    18,451 SF Lot: 1.02 Acres

    19550 International Blvd, Seatac, WA 98188-5426

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    16015 International Blvd
    OFFICE BUILDING
    2,704 SF Lot: 0.16 Acres
    Estimated value
    $520,000

    16015 International Blvd, Seatac, WA 98188-2651

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    860 192nd St
    OFFICE BUILDING
    2,505 SF Lot: 0.75 Acres
    Value Estimation by Request

    860 192nd St, Seatac, WA 98148-2208

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    16025 International Blvd
    OFFICE BUILDING
    1,998 SF Lot: 4.22 Acres
    Value Estimation by Request

    16025 International Blvd, Seatac, WA 98188-2651

    View details
    19600 International Blvd
    OFFICE BUILDING
    13,886 SF Lot: 0.50 Acres
    Estimated value
    $2,980,000

    19600 International Blvd, Seatac, WA 98188-5481

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    2907 170th St
    OFFICE BUILDING
    2,294 SF Lot: 0.62 Acres
    Value Estimation by Request

    2907 170th St, Seatac, WA 98188-3505

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    15220 32nd S Ave
    OFFICE BUILDING
    4,064 SF Lot: 0.60 Acres
    Estimated value
    $1,085,000

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

    View details
    19415 International Blvd
    OFFICE BUILDING
    33,600 SF Lot: 1.62 Acres
    Estimated value
    $5,515,000

    19415 International Blvd, Seatac, WA 98188-5309

    View details

    Seatac, WA Office Buildings Investment Opportunities Market Analysis

    Explore 39 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 $48.

    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

    Office Units 18
    Office buildings 5

    Demographics Overview

    Population 112K
    Population Growth (5Y) +1.7%
    Median Household Income $82,767
    College Educated 28.3%

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