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Duplex (2 Units, Any Combination)Residential
Last sold for $430,000 on Aug 19, 2020

15212 9TH AVE SW

BURIEN, WA 98166
3
Beds
4 / 2
Baths
1,530 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.
2,400 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$430,000 · Aug 19, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,974 (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.$588,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$463,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$592,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$588,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyKING
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2017
Lot (acres)The size of the land the home sits on, from county records.0.06
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

Transaction History(7)

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.

M
Sylvester Middle SchoolC+
Middle · Grades 6–8 · 0.7 mi
H
Highline High SchoolD-
High · Grades 9–12 · 0.7 mi
E
Gregory Heights Elementary SchoolC
Elementary · Grades PK–5 · 0.8 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

15212 9th 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.

  • Smaller than 69% of homes in Seattle 98166
  • Among the smallest lots in Burien City Center
  • Among the oldest homes in Burien City Center

How it measures up in Seattle 98166

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

Living area1,530 ft²
SmallerTypical 2,000 ft²Bigger

Bigger than 31% of homes nearby

Lot size2,400 ft²
SmallerTypical 0.26 acBigger

Smaller than almost all homes nearby

Year built1915
OlderTypical 1955Newer

Older than almost all homes nearby

How 15212 9th Ave Sw ranks against every home in each area.
MeasureThis homeBurien City CenterSeattle 98166King County
Living areabigger than1,530 ft²50% of homes31% of homes36% of homes
Lot sizebigger than2,400 ft²almost no homesalmost no homes5% of homes
Year builtnewer than1915almost no homesalmost no homes4% of homes

About 15212 9th Ave Sw

When did 15212 9th Ave Sw, Burien, WA last sell?

15212 9th Ave Sw, Burien, WA last sold on Aug 19, 2020 for $430,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 15212 9th Ave Sw, Burien, WA?

15212 9th Ave Sw, Burien, WA has 3 bedrooms, 4 bathrooms, 1,530 square feet of living space and a 0.06-acre lot.

When was 15212 9th Ave Sw, Burien, WA built?

15212 9th Ave Sw, Burien, WA was built in 1915, making it 111 years old. It is a duplex single home. The building has 1 story.

What schools serve 15212 9th Ave Sw, Burien, WA?

15212 9th Ave Sw, Burien, WA is assigned to Sylvester Middle School (middle), rated C+; Highline High School (high), rated D-; Gregory Heights Elementary School (elementary), rated C. All sit in Highline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15212 9th Ave Sw, Burien, WA compare to other homes in Seattle 98166?

Among the 7,214 homes in Seattle 98166, it is bigger than 31% of them (1,530 ft² against a typical 2,000 ft²), its lot is bigger than almost none of them (2,400 ft² against a typical 0.26 ac) and it is newer than almost none of them (1915 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 15212 9th Ave Sw, Burien, WA?

The 2026 property tax bill for 15212 9th Ave Sw, Burien, WA was $6,974. The county assessed it at $588,000.

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