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Single Family ResidenceResidential
$499,128$520 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $145,000 on Apr 13, 2012

10221 128TH AVE SE

RENTON, WA 98056
3
Beds
1
Baths
960 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$499K
$482K low$517K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · Apr 13, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,886 (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.$582,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$552,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$565,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$582,000

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.0.23
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
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.ElevatorPorch · 70 ft²

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
Sierra Heights Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
H
Hazen High SchoolB-
High · Grades 9–12 · 1.1 mi
M
Ridson Middle SchoolB+
Middle · Grades 6–8 · 2.1 mi

District: Renton School District

Neighborhood · ZIP 98056These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.278

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.4%
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.36,397
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,344 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,820
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,793
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

10221 128th Ave Se 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 85% of homes in King County
  • Costs more per square foot than 85% of homes in East Renton Highlands
  • Smaller than 89% of homes in Renton 98056
  • Has a bigger lot than 71% of homes in East Renton Highlands
  • Older than 76% of homes in East Renton Highlands

What homes are worth in Renton 98056

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

This home
$263K$2.3M

This home is worth more than 16% of homes in Renton 98056.

How it measures up in Renton 98056

The dot is this home. The mark in the middle is the typical home in Renton 98056.

Estimated value$499,128
CheaperTypical $799,502Pricier

Pricier than 16% of homes nearby

Price per ft²$520
CheaperTypical $451Pricier

Pricier than 69% of homes nearby

Living area960 ft²
SmallerTypical 1,910 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.23 ac
SmallerTypical 0.19 acBigger

Bigger than 67% of homes nearby

Year built1959
OlderTypical 1983Newer

Newer than 26% of homes nearby

How 10221 128th Ave Se ranks against every home in each area.
MeasureThis homeEast Renton HighlandsRenton 98056King County
Estimated valuepricier than$499,12822% of homes16% of homes15% of homes
Price per ft²pricier than$52085% of homes69% of homes55% of homes
Living areabigger than960 ft²14% of homes11% of homes11% of homes
Lot sizebigger than0.23 ac71% of homes67% of homes59% of homes
Year builtnewer than195924% of homes26% of homes28% of homes

About 10221 128th Ave Se

How much is 10221 128th Ave Se, Renton, WA worth?

The TopHap Estimate for 10221 128th Ave Se, Renton, WA is $499,128 as of Jul 14, 2026. The likely range is $481,725 to $516,531. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10221 128th Ave Se, Renton, WA last sell?

10221 128th Ave Se, Renton, WA last sold on Apr 13, 2012 for $145,000, according to the county's recorded deed.

How big is 10221 128th Ave Se, Renton, WA?

10221 128th Ave Se, Renton, WA has 3 bedrooms, 1 bathrooms, 960 square feet of living space and a 0.23-acre lot.

When was 10221 128th Ave Se, Renton, WA built?

10221 128th Ave Se, Renton, WA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 10221 128th Ave Se, Renton, WA?

10221 128th Ave Se, Renton, WA is assigned to Sierra Heights Elementary School (elementary), rated C+; Hazen High School (high), rated B-; Ridson Middle School (middle), rated B+. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10221 128th Ave Se, Renton, WA compare to other homes in Renton 98056?

Among the 10,460 homes in Renton 98056, it is worth more than 16% of them ($499,128 against a typical $799,502), its price per square foot is higher than 69% of them ($520 against a typical $451), it is bigger than 11% of them (960 ft² against a typical 1,910 ft²), its lot is bigger than 67% of them (0.23 ac against a typical 0.19 ac) and it is newer than 26% of them (1959 against a typical 1983). Measured against all of King County, it is worth more than 15% 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 10221 128th Ave Se, Renton, WA?

The 2026 property tax bill for 10221 128th Ave Se, Renton, WA was $6,886. The county assessed it at $582,000.

More homes on 128th Ave Se

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