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Single Family ResidenceResidential
$556,049$378 / 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 92How 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 $580,000 on Sep 21, 2023

409 SW 128TH ST

BURIEN, WA 98146
3
Beds
3.3
Baths
1,470 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$556K
$510K low$602K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$580,000 · Sep 21, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,368 (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.$535,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$236,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$299,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$539,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$535,000

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.0.21
HeatingThe type of heating system in the home.Heat Pump
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
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.Deck · 180 ft²Elevator

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
Hazel Valley Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
Cascade Middle SchoolC-
Middle · Grades 6–8 · 1.0 mi
H
Highline High SchoolD-
High · Grades 9–12 · 1.6 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

409 Sw 128th St 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 78% of homes in King County
  • Costs less per square foot than 74% of homes in King County
  • Smaller than 67% of homes in King County
  • Older than 75% of homes in King County

What homes are worth in Seattle 98146

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

This home
$251K$1.9M

This home is worth more than 23% 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.

Estimated value$556,049
CheaperTypical $692,606Pricier

Pricier than 23% of homes nearby

Price per ft²$378
CheaperTypical $439Pricier

Pricier than 30% of homes nearby

Living area1,470 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.21 ac
SmallerTypical 0.19 acBigger

Bigger than 60% of homes nearby

Year built1955
OlderTypical 1956Newer

Newer than 49% of homes nearby

How 409 Sw 128th St ranks against every home in each area.
MeasureThis homeEvansvilleSeattle 98146King County
Estimated valuepricier than$556,04950% of homes23% of homes22% of homes
Price per ft²pricier than$37843% of homes30% of homes26% of homes
Living areabigger than1,470 ft²54% of homes42% of homes33% of homes
Lot sizebigger than0.21 ac58% of homes60% of homes51% of homes
Year builtnewer than195570% of homes49% of homes25% of homes

About 409 Sw 128th St

How much is 409 Sw 128th St, Burien, WA worth?

The TopHap Estimate for 409 Sw 128th St, Burien, WA is $556,049 as of Sep 24, 2026. The likely range is $509,735 to $602,363. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 409 Sw 128th St, Burien, WA last sell?

409 Sw 128th St, Burien, WA last sold on Sep 21, 2023 for $580,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 409 Sw 128th St, Burien, WA?

409 Sw 128th St, Burien, WA has 3 bedrooms, 3.3 bathrooms, 1,470 square feet of living space and a 0.21-acre lot.

When was 409 Sw 128th St, Burien, WA built?

409 Sw 128th St, Burien, WA was built in 1955, making it 71 years old.

What schools serve 409 Sw 128th St, Burien, WA?

409 Sw 128th St, Burien, WA is assigned to Hazel Valley Elementary School (elementary), rated B; Cascade 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 409 Sw 128th St, Burien, WA compare to other homes in Seattle 98146?

Among the 8,258 homes in Seattle 98146, it is worth more than 23% of them ($556,049 against a typical $692,606), its price per square foot is higher than 30% of them ($378 against a typical $439), it is bigger than 42% of them (1,470 ft² against a typical 1,630 ft²), its lot is bigger than 60% of them (0.21 ac against a typical 0.19 ac) and it is newer than 49% of them (1955 against a typical 1956). Measured against all of King County, it is worth more than 22% 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 409 Sw 128th St, Burien, WA?

The 2026 property tax bill for 409 Sw 128th St, Burien, WA was $6,368. The county assessed it at $535,000.

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