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Single Family ResidenceResidential
$727,385$375 / 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 95How 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 $320,000 on May 25, 2017

16220 15TH AVE SW

BURIEN, WA 98166
3
Beds
1
Baths
1,940 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$727K
$691K low$763K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$320,000 · May 25, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,051 (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.$682,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$310,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$372,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$699,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$682,000

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.0.17
HeatingThe type of heating system in the home.Floor/Wall Furnace
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Elevator

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
Gregory Heights Elementary SchoolC+
Elementary · Grades PK–5 · 0.1 mi
M
Sylvester Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
Highline High SchoolD
High · Grades 9–12 · 1.3 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%

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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

16220 15th 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.

  • Costs less per square foot than 77% of homes in Gregory Heights
  • Bigger than 66% of homes in Gregory Heights
  • Has a smaller lot than 86% of homes in Seattle 98166
  • Older than 79% of homes in King County

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
$318K$2.3M

This home is worth more than 38% 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$727,385
CheaperTypical $845,778Pricier

Pricier than 38% of homes nearby

Price per ft²$375
CheaperTypical $442Pricier

Pricier than 24% of homes nearby

Living area1,940 ft²
SmallerTypical 2,000 ft²Bigger

Bigger than 47% of homes nearby

Lot size0.17 ac
SmallerTypical 0.26 acBigger

Bigger than 14% of homes nearby

Year built1951
OlderTypical 1955Newer

Newer than 34% of homes nearby

How 16220 15th Ave Sw ranks against every home in each area.
MeasureThis homeGregory HeightsSeattle 98166King County
Estimated valuepricier than$727,38556% of homes38% of homes38% of homes
Price per ft²pricier than$37523% of homes24% of homes23% of homes
Living areabigger than1,940 ft²66% of homes47% of homes54% of homes
Lot sizebigger than0.17 ac19% of homes14% of homes40% of homes
Year builtnewer than195127% of homes34% of homes21% of homes

About 16220 15th Ave Sw

How much is 16220 15th Ave Sw, Burien, WA worth?

The TopHap Estimate for 16220 15th Ave Sw, Burien, WA is $727,385 as of Sep 24, 2026. The likely range is $691,385 to $763,385. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16220 15th Ave Sw, Burien, WA last sell?

16220 15th Ave Sw, Burien, WA last sold on May 25, 2017 for $320,000, according to the county's recorded deed.

How big is 16220 15th Ave Sw, Burien, WA?

16220 15th Ave Sw, Burien, WA has 3 bedrooms, 1 bathrooms, 1,940 square feet of living space and a 0.17-acre lot.

When was 16220 15th Ave Sw, Burien, WA built?

16220 15th Ave Sw, Burien, WA was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 16220 15th Ave Sw, Burien, WA?

16220 15th Ave Sw, Burien, WA is assigned to Gregory Heights Elementary School (elementary), rated C+; Sylvester Middle School (middle), rated C-; Highline High School (high), rated D. All sit in Highline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16220 15th Ave Sw, Burien, WA compare to other homes in Seattle 98166?

Among the 7,215 homes in Seattle 98166, it is worth more than 38% of them ($727,385 against a typical $845,778), its price per square foot is higher than 24% of them ($375 against a typical $442), it is bigger than 47% of them (1,940 ft² against a typical 2,000 ft²), its lot is bigger than 14% of them (0.17 ac against a typical 0.26 ac) and it is newer than 34% of them (1951 against a typical 1955). Measured against all of King County, it is worth more than 38% 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 16220 15th Ave Sw, Burien, WA?

The 2026 property tax bill for 16220 15th Ave Sw, Burien, WA was $8,051. The county assessed it at $682,000.

More homes on 15th Ave Sw

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