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Single Family ResidenceResidential
$646,091$151 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

18638 120TH AVE SE

RENTON, WA 98058
6
Beds
3.5
Baths
4,280 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.
1.01 ac
Lot SizeThe size of the land the home sits on, from county records.
1943
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$646K
$561K low$732K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,557 (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.$957,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$401,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$556,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$942,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$957,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 410 ft²Porch · 40 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
Benson Hill Elementary SchoolD+
Elementary · Grades KG–5 · 0.4 mi
H
Lindbergh High SchoolC
High · Grades 9–12 · 1.6 mi
M
Nelson Middle SchoolC-
Middle · Grades 6–8 · 1.8 mi

District: Renton School District

Neighborhood · ZIP 98058These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.257

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.45,228
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,340 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,748
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,278
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

18638 120th 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 67% of homes in King County
  • Among the lowest price per square foot in King County
  • Among the largest homes in Renton 98058
  • Has a bigger lot than 85% of homes in King County
  • Among the oldest homes in Renton 98058

What homes are worth in Renton 98058

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

This home
$227K$1.3M

This home is worth more than 47% of homes in Renton 98058.

How it measures up in Renton 98058

The dot is this home. The mark in the middle is the typical home in Renton 98058.

Estimated value$646,091
CheaperTypical $663,404Pricier

Pricier than 47% of homes nearby

Price per ft²$151
CheaperTypical $346Pricier

Cheaper than almost all homes nearby

Living area4,280 ft²
SmallerTypical 1,910 ft²Bigger

Bigger than almost all homes nearby

Lot size1.01 ac
SmallerTypical 0.21 acBigger

Bigger than 82% of homes nearby

Year built1943
OlderTypical 1979Newer

Older than almost all homes nearby

How 18638 120th Ave Se ranks against every home in each area.
MeasureThis homeRenton 98058King County
Estimated valuepricier than$646,09147% of homes33% of homes
Price per ft²pricier than$151almost no homesalmost no homes
Living areabigger than4,280 ft²almost all homes96% of homes
Lot sizebigger than1.01 ac82% of homes85% of homes
Year builtnewer than1943almost no homes15% of homes

About 18638 120th Ave Se

How much is 18638 120th Ave Se, Renton, WA worth?

The TopHap Estimate for 18638 120th Ave Se, Renton, WA is $646,091 as of Aug 30, 2026. The likely range is $560,528 to $731,654. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18638 120th Ave Se, Renton, WA last sell?

18638 120th Ave Se, Renton, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18638 120th Ave Se, Renton, WA?

18638 120th Ave Se, Renton, WA has 6 bedrooms, 3.5 bathrooms and 4,280 square feet of living space.

When was 18638 120th Ave Se, Renton, WA built?

18638 120th Ave Se, Renton, WA was built in 1943, making it 83 years old. The building has 1 story.

What schools serve 18638 120th Ave Se, Renton, WA?

18638 120th Ave Se, Renton, WA is assigned to Benson Hill Elementary School (elementary), rated D+; Lindbergh High School (high), rated C; Nelson Middle School (middle), rated C-. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18638 120th Ave Se, Renton, WA compare to other homes in Renton 98058?

Among the 13,649 homes in Renton 98058, it is worth more than 47% of them ($646,091 against a typical $663,404), its price per square foot is higher than almost none of them ($151 against a typical $346), it is bigger than almost all of them (4,280 ft² against a typical 1,910 ft²), its lot is bigger than 82% of them (1.01 ac against a typical 0.21 ac) and it is newer than almost none of them (1943 against a typical 1979). Measured against all of King County, it is worth more than 33% 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 18638 120th Ave Se, Renton, WA?

The 2026 property tax bill for 18638 120th Ave Se, Renton, WA was $5,557. The county assessed it at $957,000.

More homes on 120th Ave Se

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