Sold334d on market
21215 31st Avenue S
Seatac, WA, 98198 • 98198 • King County
$437,770
$362/sqft
3Beds
1Baths
1,210Sqft
0.22 acLot
1955Built
Property DNA
Territorial Views
Territorial
SeaTac
98198
Outdoor Living
Double Pane/Storm Window · Fireplace
1 Fireplace
Wood Burning · Main Level: 1 · Fireplace
This home is in high demand
Listed 334 days ago · 13 views · 1 saves · Top 2% likely to sell soon
Market activity
Demand and pricing signals for this listing
13 views
People checking out this listing
1 saves
Buyers have saved this home
334 days on market
Established listing
$362/sqft
Price per square foot
Selling Soon Prediction
Very HighThis home ranks in the top 2% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
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About this home
Single Family · Built 1955
Welcome to opportunity! This 3-bedroom, 1-bath rambler with a bonus converted garage room sits on a massive 9,400+ sq ft lot in an unbeatable location—just minutes from SeaTac, freeways, shopping, and schools. Whether you're a first-time buyer, investor, or looking to customize your forever home, this as-is gem is brimming with potential. Don't miss the chance to make it your own!
Estimated monthly payment
Based on current rates
$2,702/month
Principal & Interest$2,119
Property Tax$438
Insurance$146
Down payment20% ($87,554)
3%50%
Est. 6.08% rate · 30yr fixed · $350,216 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1955
HeatingFireplace, Forced Air, Electric, Natural Gas
CoolingNone
ParkingDriveway
Lot9,448 sqft
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built1955
Stories1
Systems
HeatingFireplace, Forced Air, Electric, Natural Gas
CoolingNone
RoofComposition
ConstructionWood Siding
Water / SewerPublic, Company: Highline Water District / Sewer Connected, Company: Midway Sewer District
Parking & Outdoor
ParkingDriveway
BasementNone
Fireplaces1
Lot9,448 sqft
Location & Tax
Neighborhood98198
Annual tax$468
Parcel5083000400
Bathrooms & Fees
Full baths1
Features & details
11 categories of property features
Interior Features
Appliances
Refrigerator(s)
Stove(s)/Range(s)
Flooring
Vinyl
Carpet
Heating
Fireplace
Forced Air
Electric
Natural Gas
Cooling
None
Fireplace
Wood Burning
Main Level: 1
Fireplace
Windows
Double Pane/Storm Window
Exterior Features
Parking
Driveway
Construction
Wood Siding
Patio & Porch
Double Pane/Storm Window
Fireplace
Lot Features
Paved
Cable TV
Dog Run
Views
Territorial
Room details
7 rooms detailed
Master Bedroom
MainBedroom
MainBedroom
MainBathroom Full
MainFamily Room
MainKitchen With Eating Space
MainListing insights
Market data and value estimates
StatusSold
Days on market334
Est. value$434,400
Est. rent$2,743/mo
Tax rate0.82%
Price/sqft$362
On marketJun 7, 2025
PostedApr 11, 2025
Last sold$437,770
MLS statusSold
MLS updatedJun 9, 2025
Tour days6
Views13
Favorites1
How are the schools in Seatac?
3 schools rated nearby
Location
Seatac, WA, 98198
Price history
3 events
DateEventPrice$/sqftSource
May 9, 2025Sold$437,770$362NWMLS as distributed by MLS GRID
Apr 13, 2025Pending Sale$415,000$343NWMLS as distributed by MLS GRID
Apr 11, 2025Listed For Sale$415,000$343NWMLS as distributed by MLS GRID
Sold$437,770
May 9, 2025•$362/sqft•NWMLS as distributed by MLS GRID
Pending Sale$415,000
Apr 13, 2025•$343/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$415,000
Apr 11, 2025•$343/sqft•NWMLS as distributed by MLS GRID
Tax history
21 years of records
YearTax paidAssessed value
Apr 9, 2024$469$192,000
Apr 9, 2023$484$192,000
Apr 9, 2022—$192,000
Apr 9, 2021$548$192,000
Apr 9, 2020$559$192,000
Apr 9, 2019$563$192,000
Apr 9, 2018$572$192,000
Apr 9, 2017$607$255,000
Apr 9, 2016$2,529$210,000
Apr 9, 2015$2,529$192,000
Apr 9, 2014$2,529$179,000
Apr 9, 2013$2,529$136,000
Apr 9, 2012—$171,000
Apr 9, 2011—$185,000
Apr 9, 2010—$209,000
Apr 9, 2009—$209,000
Apr 9, 2007—$195,000
Apr 9, 2006—$182,000
Apr 9, 2005—$171,000
Apr 9, 2001$1,597$126,000
Apr 9, 2000$1,538$115,000
Nearby homes
Neighborhood details
Local context around this listing
Seatac, WA • King County
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
981319814898158981689818898198
Similar homes
Based on information submitted to the MLS GRID as of 2026-04-09 13:38:54 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. [Click here for more information](/mls-disclaimers/#39)
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