Sold109d on marketHistoric · 88 yrs
15620 21st Avenue SW
Burien, WA, 98166 • Old Burien • King County
$650,000
$516/sqft
3Beds
2Baths
1,260Sqft
0.26 acLot
1938Built
Property DNA
Territorial Views
Territorial
Character Home
Built 1938 · 88 years of history
Seahurst
Old Burien
Outdoor Living
Double Pane/Storm Window · Dining Room · Fireplace · Water Heater · Wired for Generator
1 Fireplace
Gas · Main Level: 1 · Fireplace
Garage
Detached Carport · Detached Garage · Off Street
Softwood Floors
Quality flooring throughout
This home is getting attention
Listed 109 days ago · 17 views
Market activity
Demand and pricing signals for this listing
17 views
People checking out this listing
109 days on market
Established listing
$516/sqft
Price per square foot
Selling Soon Prediction
ModerateThis home ranks in the top 42% 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 1938 · Historic
Sweet 1938 Cape Cod charmer with 3 berooms, 1.5 baths in Seahurst awaits your personal touch! Fir floors in the living/dining areas, rewired in 2010 & updated plumbing, quaint barn & beautiful gardens complete with drip irrigation! The home has primary bedroom plus full bath on the main floor with 2 bedrooms, half bath & laundry on upper level. You’ll have a wood shed, playhouse & greenhouse on property, along with the super cool barn to the back of the property. Barn can be opened up to use as a detached garage, or so many uses for you to choose…home office/studio, exercise, home school or possibly a DADU…you decide! Close to beautiful Seahurst Park & Old Town Burien with great eateries & good friends. Opportunity awaits…Welcome Home!
Standout features identified
Our analysis highlights drip irrigation, fir floors, and beautiful gardens as key attractions of this home.
Estimated monthly payment
Based on current rates
$4,045/month
Principal & Interest$3,178
Property Tax$650
Insurance$217
Down payment20% ($130,000)
3%50%
Est. 6.18% rate · 30yr fixed · $520,000 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1938
HeatingFireplace, Forced Air, Stove/Free Standing, Oil, Propane
CoolingNone
Parking1 Garage space
Lot0.26 Acres
Property
Home typeSingle Family
Sub-typeSingle Family Residence
Year built1938
Stories1
Systems
HeatingFireplace, Forced Air, Stove/Free Standing, Oil, Propane
CoolingNone
RoofComposition
ConstructionWood Siding, Wood Products
Water / SewerPublic, Company: District #49 / Sewer Connected, Company: SW Suburban
Parking & Outdoor
ParkingDetached Carport, Detached Garage, Off Street
BasementNone
Fireplaces1
Lot0.26 Acres
Location & Tax
NeighborhoodOld Burien
Annual tax$7,066
Parcel4476400015
Bathrooms & Fees
Full baths1
Features & details
14 categories of property features
Interior Features
Interior
Dining Room
Appliances
Dishwasher(s)
Disposal
Dryer(s)
Refrigerator(s)
Stove(s)/Range(s)
Washer(s)
Garbage Disposal
Water Heater: Electric
Water Heater Location: Bedroom Closet
Flooring
Softwood
Vinyl
Heating
Fireplace
Forced Air
Stove/Free Standing
Oil
Propane
Cooling
None
Fireplace
Gas
Main Level: 1
Fireplace
Windows
Double Pane/Storm Window
Exterior Features
Parking
Detached Carport
Detached Garage
Off Street
Construction
Wood Siding
Wood Products
Patio & Porch
Double Pane/Storm Window
Dining Room
Fireplace
Water Heater
Wired for Generator
Lot Features
Paved
Cable TV
Fenced-Partially
Views
Territorial
Utilities
Xfinity/Comcast
Xfinity/Comcast
Other Equipment
Wired for Generator
Room details
9 rooms detailed
Master Bedroom
MainBedroom
Bedroom
Bathroom Full
MainOther
Dining Room
MainListing insights
Market data and value estimates
StatusSold
Days on market109
Est. value$658,300
Est. rent$3,313/mo
Tax rate0.82%
Price/sqft$516
On marketDec 25, 2025
PostedOct 23, 2025
Last sold$650,000
MLS statusSold
MLS updatedJan 18, 2026
Tour days6
Views17
How are the schools in Burien?
3 schools rated nearby
Location
Burien, WA, 98166
Price history
6 events
DateEventPrice$/sqftSource
Dec 18, 2025Sold$650,000$516NWMLS as distributed by MLS GRID
Nov 20, 2025Pending Sale$650,000$516NWMLS as distributed by MLS GRID
Nov 4, 2025Listed For Sale$650,000$516NWMLS as distributed by MLS GRID
Oct 31, 2025Pending Sale$650,000$516NWMLS as distributed by MLS GRID
Oct 23, 2025Listed For Sale$650,000$516NWMLS as distributed by MLS GRID
Feb 23, 2010Sold$265,000$210NWMLS as distributed by MLS GRID
Sold$650,000
Dec 18, 2025•$516/sqft•NWMLS as distributed by MLS GRID
Pending Sale$650,000
Nov 20, 2025•$516/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$650,000
Nov 4, 2025•$516/sqft•NWMLS as distributed by MLS GRID
Pending Sale$650,000
Oct 31, 2025•$516/sqft•NWMLS as distributed by MLS GRID
Listed For Sale$650,000
Oct 23, 2025•$516/sqft•NWMLS as distributed by MLS GRID
Sold$265,000
Feb 23, 2010•$210/sqft•NWMLS as distributed by MLS GRID
Tax history
21 years of records
YearTax paidAssessed value
Apr 7, 2024$7,066$631,000
Apr 7, 2023$6,695$573,000
Apr 7, 2022$6,646$606,000
Apr 7, 2021$6,351$511,000
Apr 7, 2020$5,832$452,000
Apr 7, 2019$4,275$330,000
Apr 7, 2018$3,755$312,000
Apr 7, 2017$4,069$284,000
Apr 7, 2016$2,906$251,000
Apr 7, 2015$2,906$230,000
Apr 7, 2014$2,906$201,000
Apr 7, 2013$2,906$232,000
Apr 7, 2012—$208,000
Apr 7, 2011—$234,000
Apr 7, 2010—$259,000
Apr 7, 2009—$259,000
Apr 7, 2007—$232,000
Apr 7, 2006—$219,000
Apr 7, 2005—$229,000
Apr 7, 2001$2,010$158,000
Apr 7, 2000$1,903$142,000
Nearby homes
Neighborhood details
Local context around this listing
Burien, WA • King County
Nearby neighborhoods
Beverly ParkBoulevard ParkEvansvilleGregory HeightsIngleseaMount ViewOld BurienShorewoodSouthern HeightsSunnydale
Nearby cities
AuburnBellevueBothellFederal WayKentKirklandRedmondRenton
Nearby zip codes
9806298146981489816698168
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Based on information submitted to the MLS GRID as of 2026-04-07 09:23:18 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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