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$540,000 Just Listed

  • For Sale
  • Active
  • Condo
  • 3 Beds
  • 2 Full Baths
  • 1 Partial Bath
  • 1,871 Sq. Ft.
  • Updated 3 hours ago

Next open house:

Open House: 3:00 PM - 5:00 PM

Saturday 4/4 3:00 PM - 5:00 PM

21507 42nd Avenue S #H1,SeaTac, WA 98198

21507 42nd Avenue S #H1SeaTacWA98198

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Join us at 21507 42nd Avenue S #H1 on:

  • Open House: 1:00 PM - 3:00 PM

    Sunday 4/5 1:00 PM - 3:00 PM

    21507 42nd Avenue S #H1,SeaTac, WA 98198
    21507 42nd Avenue S #H1SeaTacWA98198

Listed by Darren K Mills | RE/MAX Integrity | (425) 391-1997

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Rare Corner Unit with 2025 Roof & Custom Finishes! Experience the perfect blend of modern design and natural tranquility in this stunning 3-bedroom 2.5 bath corner unit. Completely transformed for the contemporary lifestyle, the open-concept main floor features luxury vinyl plank flooring and a chef-inspired kitchen boasting sleek quartz counters and stainless steel appliances. The cozy living room boasts an abundance of natural light illuminating the custom-tiled gas fireplace, while your dining area opens directly onto a private, greenbelt-protected patio-your own quiet sanctuary. The upper level is a retreat of its own, featuring a primary suite with a redefined en-suite and custom lighting, hosted by two large bedrooms and a full bathroom. Need a dedicated workspace? The ground-level den/flex room is the ultimate home office or gym, strategically tucked away from the main living areas with a large Costco/storage utility closet, just steps from the oversized 2-car garage. With a brand-new 2025 roof and a prime commuter location near SeaTac and the Light Rail, this is "turn-key" defined. Schedule a showing today and come realize your house dreams!

Full Property Details for 21507 42nd Ave S #H1

General

  • Price: $540,000
  • HOA FEE: $479/month
  • Taxes: $679 (2025)
  • Status: Active
  • Type: Condo
  • Source: NWMLS
  • MLS ID: 2500963
  • Updated: 4/3/2026
  • Added to Site: 1 day(s) ago

Interior

  • Interior Features: Dryer-Electric, Fireplace, Primary Bathroom, Sprinkler System, Walk-In Closet(s), Washer, Water Heater
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Gas
  • Appliances: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Flooring: Vinyl Plank, Carpet

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Upper - Full Baths: 2
  • Main Floor Baths: 1
  • Main - 1/2 Baths: 1

Bedrooms

  • Total Bedrooms: 3
  • Bedrooms Upper: 3

Other Rooms

  • Laundry: Electric Dryer Hookup, Washer Hookup

Parking

  • Garage: Yes
  • Covered Spaces: 2
  • Parking Features: Individual Garage

Location

  • Area: 120 - Des Moines/Redondo
  • County: King
  • Subdivision: Riverview
  • Building Name: River Ridge Condominiums
  • Driving Directions: From I5 South, take exit 152 for Orillia Rd, L onto S 188th St, cont to Orillia Rd S, slight R to 42nd Ave S, entrance to River Edge is on your R, unit H1

School Information

  • High School District: Kent
  • Elementary School: River Ridge Elementary
  • Middle School: Mill Creek Mid Sch
  • High School: Kentridge High

Community

  • Association: Yes
  • Assoc. Fees Include: Common Area Maintenance, Earthquake Insurance, Lawn Service, Road Maintenance, Snow Removal, Water
  • Units Assoc/Comm: 67

Heating & Cooling

  • Cooling Type: None
  • Heating Type: Baseboard, Fireplace Insert
  • Water Heater: Electric

Structural Information

  • Structure Type: Multi Family
  • Exterior Const.: Metal/Vinyl, Wood Products
  • Roof: Composition
  • Entry Location: Main
  • Stories in Building: 3
  • Square Feet: 1,871
  • Year Built: 2004
  • Remodeled/Addition: Yes

Unit Information

  • Units in Building: 6
  • Unit Features: Primary Bath, Sprinkler System, Walk-in Closet, Yard

Lot Features

  • Property View: Territorial
  • Lot Features: Curbs, Paved, Sidewalk

Financial Considerations

  • Association Fee: $479
  • Assoc Fee Freq.: Monthly
  • Tax Amount: $679
  • Tax Year: 2025
  • Terms: Cash, Conventional

Disclosures and Reports

  • Special Conditions: None
  • Inclusions: Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Property ID: 7330050320

Listed by Darren K Mills | RE/MAX Integrity | (425) 391-1997

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Price & Sales History for 21507 42nd Ave S #H1 Get Price Alerts and Save Property

Date
Details
Price
Change
Source
4/03/2026
Listed
$540,000
114.29%
MLS
9/01/2004
Sold
$251,990
—
Public Record
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Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 21507 42nd Ave S #H1

Year
Property Taxes
Change
Tax Assessment
Change
2024
$679
-3%
$278,000
—
2024
$703
4%
$278,000
—
2022
$676
-18%
$278,000
—
2021
$820
-1%
$278,000
-25%
2020
$828
-2%
$373,000
4%
2019
$844
-6%
$357,000
7%
2018
$900
-21%
$335,000
19%
2017
$1,146
6%
$282,000
10%
2016
$1,083
-2%
$257,000
—
2015
$1,106
53%
$257,000
67%
2014
$721
—
$154,000
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Darren K Mills | RE/MAX Integrity | (425) 391-1997

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21507 42nd Avenue S #H1, SeaTac, WA 98198 (MLS# 2500963) is a Condo property with 3 bedrooms, 2 full bathrooms and 1 partial bathroom. 21507 42nd Avenue S #H1 is currently listed for $540,000 and was received on April 03, 2026. Want to learn more about 21507 42nd Avenue S #H1? Do you have questions about finding other Condo real estate for sale in SeaTac? You can browse all SeaTac real estate or contact a Coldwell Banker agent to request more information.

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