20631 12th Avenue S SeaTac WA 98198 MLS #NWM2477359
Listing Provided Courtesy of Newberry Realty, Inc.This beautifully maintained 2-story home blends comfort, style, and convenience. Enjoy peace of mind with a 50-year Presidential roof, AC unit, new water heater, and tastefully updated flooring, kitchen, and bathrooms. The kitchen shines with quartz countertops, GE appliances, ample storage, and a custom mosaic backsplash—perfect for gatherings or everyday living. Upstairs features a spacious primary bedroom, two additional bedrooms, and a convenient laundry room. Outside, you’ll love the white picket-fenced front yard, side patio, and a low-maintenance AstroTurf backyard with RV parking and extra storage space. Ideally located near schools, shopping, dining, light rail, the marina, and with easy freeway access. No HOA!
Current real estate data for Single Family in SeaTac as of Feb 09, 2026
18
Single Family Listed
109
Avg DOM
409
Avg $ / SqFt
$913,855
Avg List Price
Property Details
Price:
$594,995
MLS #:
NWM2477359
Status:
Active
Beds:
3
Baths:
2
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
Des Moines
Neighborhood:
120desmoinesredondo
Listed Date:
Feb 6, 2026
Finished Sq Ft:
1,360
Total Sq Ft:
1,360
Lot Size:
4,792 sqft / 0.11 acres (approx)
Year Built:
1999
Schools
School District:
Highline
Elementary School:
Buyer To Verify
Middle School:
Buyer To Verify
High School:
Buyer To Verify
Interior
Appliances
Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
Bathrooms
1 Full Bathroom, 1 Half Bathroom
Cooling
Central A/C
Flooring
Laminate, Carpet
Heating
Forced Air
Exterior
Construction Materials
Brick, Metal/Vinyl
Exterior Features
Brick, Metal/Vinyl
Parking Features
Driveway, Attached Garage, Off Street
Parking Spots
1
Roof
Composition
Financial
Tax Year
2025
Taxes
$6,323
Map
Contact Us
Mortgage Calculator
Community
- Address20631 12th Avenue S SeaTac WA
- SubdivisionDes Moines
- CitySeaTac
- CountyKing
- Zip Code98198
Property Summary
- Located in the Des Moines subdivision, 20631 12th Avenue S SeaTac WA is a Single Family for sale in SeaTac, WA, 98198. It is listed for $594,995 and features 3 beds, 2 baths, and has approximately 1,360 square feet of living space, and was originally constructed in 1999. The current price per square foot is $437. The average price per square foot for Single Family listings in SeaTac is $409. The average listing price for Single Family in SeaTac is $913,855. To schedule a showing of MLS#nwm2477359 at 20631 12th Avenue S in SeaTac, WA, contact your HomeSmart One Realty agent at 425-218-4178.
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Listing courtesy of Newberry Realty, Inc.The database information herein is provided from and copyrighted by the Northwest Multiple Listing Service (NWMLS) as distributed by MLS GRID. NWMLS data may not be reproduced or redistributed and is only for people viewing this site. All information provided is deemed reliable but is not guaranteed and should be independently verified. All properties are subject to prior sale or withdrawal. This site was last updated Feb-09-2026 4:27:23 pm. © 2026 NWMLS.
20631 12th Avenue S
SeaTac, WA