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Apartments (Generic)Residential
Last sold for $155,000 on Dec 18, 1989

12300 AMBAUM BLVD SW

SEATTLE, WA 98146
3
Beds
1
Baths
22,338 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
3
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.$155,000 · Dec 18, 1989

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$77,740 (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.$6,763,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$724,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$6,038,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$7,296,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$6,763,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Apartments (Generic)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyKING
Lot (acres)The size of the land the home sits on, from county records.0.58
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Electric
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Open
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Highway
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Sprinklers

Transaction History(2)

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
Hazel Valley Elementary SchoolF
Elementary · Grades KG–5 · 0.7 mi
M
Cascade Middle SchoolF
Middle · Grades 6–8 · 0.7 mi
H
Highline High SchoolD
High · Grades 9–12 · 2.0 mi

District: Highline School District

Neighborhood · ZIP 98146These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.294

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.30,787
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,812 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,919
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,992
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

12300 Ambaum Blvd 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.

  • Among the largest homes in King County
  • Has a bigger lot than 91% of homes in Seattle 98146
  • Newer than 95% of homes in Seattle 98146

How it measures up in Seattle 98146

The dot is this home. The mark in the middle is the typical home in Seattle 98146.

Living area22,338 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than almost all homes nearby

Lot size0.58 ac
SmallerTypical 0.19 acBigger

Bigger than 91% of homes nearby

Year built2014
OlderTypical 1956Newer

Newer than 95% of homes nearby

How 12300 Ambaum Blvd Sw ranks against every home in each area.
MeasureThis homeMount ViewSeattle 98146King County
Living areabigger than22,338 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.58 ac85% of homes91% of homes79% of homes
Year builtnewer than201494% of homes95% of homes92% of homes

About 12300 Ambaum Blvd Sw

When did 12300 Ambaum Blvd Sw, Seattle, WA last sell?

12300 Ambaum Blvd Sw, Seattle, WA last sold on Dec 18, 1989 for $155,000, according to the county's recorded deed.

How big is 12300 Ambaum Blvd Sw, Seattle, WA?

12300 Ambaum Blvd Sw, Seattle, WA has 3 bedrooms, 1 bathrooms, 22,338 square feet of living space and a 0.58-acre lot.

When was 12300 Ambaum Blvd Sw, Seattle, WA built?

12300 Ambaum Blvd Sw, Seattle, WA was built in 2014, making it 12 years old. It is a custom design home. The building has 3 stories.

What schools serve 12300 Ambaum Blvd Sw, Seattle, WA?

12300 Ambaum Blvd Sw, Seattle, WA is assigned to Hazel Valley Elementary School (elementary), rated F; Cascade Middle School (middle), rated F; 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 12300 Ambaum Blvd Sw, Seattle, WA compare to other homes in Seattle 98146?

Among the 8,259 homes in Seattle 98146, it is bigger than almost all of them (22,338 ft² against a typical 1,630 ft²), its lot is bigger than 91% of them (0.58 ac against a typical 0.19 ac) and it is newer than 95% of them (2014 against a typical 1956). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12300 Ambaum Blvd Sw, Seattle, WA?

The 2026 property tax bill for 12300 Ambaum Blvd Sw, Seattle, WA was $77,740. The county assessed it at $6,763,000.

More homes on Ambaum Blvd Sw

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Assigned schools

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