Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$593,945$530 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $316,000 on Nov 2, 2007

14976 21ST AVE SW

BURIEN, WA 98166
3
Beds
1.8
Baths
1,120 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$594K
$554K low$633K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$316,000 · Nov 2, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,093 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$511,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$303,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$514,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$511,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 70 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Seahurst Elementary SchoolD-
Elementary · Grades KG–5 · 0.4 mi
H
Highline High SchoolD
High · Grades 9–12 · 1.4 mi
M
Glacier Middle SchoolF
Middle · Grades 6–8 · 2.9 mi

District: Highline School District

Neighborhood · ZIP 98166These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.267

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.22,270
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,044 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,273
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,837
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Owner Tools

Do you own this home?
Claim this home

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

14976 21st Ave Sw measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 80% of homes in Seattle 98166
  • Costs more per square foot than 85% of homes in Burien City Center
  • Smaller than 86% of homes in Seattle 98166
  • Older than 90% of homes in Seattle 98166

What homes are worth in Seattle 98166

Each bar is how many homes fall in that price range. The marker is this home.

This home
$297K$2.4M

This home is worth more than 20% of homes in Seattle 98166.

How it measures up in Seattle 98166

The dot is this home. The mark in the middle is the typical home in Seattle 98166.

Estimated value$593,945
CheaperTypical $846,470Pricier

Pricier than 20% of homes nearby

Price per ft²$530
CheaperTypical $441Pricier

Pricier than 79% of homes nearby

Living area1,120 ft²
SmallerTypical 2,000 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.22 ac
SmallerTypical 0.26 acBigger

Bigger than 37% of homes nearby

Year built1940
OlderTypical 1956Newer

Newer than 10% of homes nearby

How 14976 21st Ave Sw ranks against every home in each area.
MeasureThis homeBurien City CenterSeattle 98166King County
Estimated valuepricier than$593,94540% of homes20% of homes23% of homes
Price per ft²pricier than$53085% of homes79% of homes56% of homes
Living areabigger than1,120 ft²28% of homes14% of homes18% of homes
Lot sizebigger than0.22 ac56% of homes37% of homes54% of homes
Year builtnewer than194016% of homes10% of homes13% of homes

About 14976 21st Ave Sw

How much is 14976 21st Ave Sw, Burien, WA worth?

The TopHap Estimate for 14976 21st Ave Sw, Burien, WA is $593,945 as of Sep 24, 2026. The likely range is $554,398 to $633,492. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14976 21st Ave Sw, Burien, WA last sell?

14976 21st Ave Sw, Burien, WA last sold on Nov 2, 2007 for $316,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 14976 21st Ave Sw, Burien, WA?

14976 21st Ave Sw, Burien, WA has 3 bedrooms, 1.8 bathrooms, 1,120 square feet of living space and a 0.22-acre lot.

When was 14976 21st Ave Sw, Burien, WA built?

14976 21st Ave Sw, Burien, WA was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 14976 21st Ave Sw, Burien, WA?

14976 21st Ave Sw, Burien, WA is assigned to Seahurst Elementary School (elementary), rated D-; Highline High School (high), rated D; Glacier Middle School (middle), rated F. All sit in Highline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14976 21st Ave Sw, Burien, WA compare to other homes in Seattle 98166?

Among the 7,215 homes in Seattle 98166, it is worth more than 20% of them ($593,945 against a typical $846,470), its price per square foot is higher than 79% of them ($530 against a typical $441), it is bigger than 14% of them (1,120 ft² against a typical 2,000 ft²), its lot is bigger than 37% of them (0.22 ac against a typical 0.26 ac) and it is newer than 10% of them (1940 against a typical 1956). Measured against all of King County, it is worth more than 23% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 14976 21st Ave Sw, Burien, WA?

The 2026 property tax bill for 14976 21st Ave Sw, Burien, WA was $6,093. The county assessed it at $511,000.

More homes on 21st Ave Sw

Closest homes

More homes in Burien 98166

Assigned schools

Explore the area

See this home in context

Open 14976 21st Ave Sw on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map