Building Details

Year Built 1984

Listing Agency: NAI Puget Sound Properties t***@nai-psp.com Show Phone

Listed By: Tony Rona

Source: Naiglobal

Added: Nov 21, 2025 Changed: Jul 6 Last Checked: Aug 6 at 4:29AM

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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 NAI Puget Sound Properties

Investment Insights

Based on property information with market context.

Multiple office suites are available within a Class A office building situated in the Kent Valley. The location offers convenient access to I-5 and is near retail amenities. The property is located 14 blocks from the airport runway, 4 blocks from the Alaska Airlines Corporate Offices, and 2 blocks from FAA Regional Headquarters. New light rail and SR 509 extensions are planned within blocks of the building. The building offers an impressive presence overlooking International Blvd, with waterway views and airport runways visible in the distance. Plentiful parking is available. The property contains 16573 square feet.

Key Highlights

• 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.

Property Analytics

Property Profile

Current Use

Office buildings

Suggested Use

Top Pick Law Firm Dental Office Real Estate Agency Skin Care Clinic Accounting Firm Building Supply

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Location Intelligence

Trade Area within ½ mile

420

Businesses Nearby

Explore this area Business Placement

Demographics for 98198, WA

38,727

Population

15,267

Households

2.5

Avg Household Size

39

Median Age

31%

College-Educated

87%

High-School Grad

7.7 sq mi

ZIP Area

5,029

Density / Sq Mi

$83,938

Median Household Income

$48,776

Median Earnings

$1,770

Median Rent

$527,100

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

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Frequently Asked Questions

What type of property is this?

Office building - Prime SeaTac location with nearby retail and transportation.

Where is this office building located?

The property is located at 21400 International Blvd Seatac, WA.

What is the asking price?

The asking price for this property is Off market.

What are key features of this property?

This property features: 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.