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Quadplex (4 Units, Any Combination)Residential
Last sold for $850,000 on Jun 9, 2025

78 WILLIAMS AVE S

RENTON, WA 98057
0
Baths
2,240 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
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.$850,000 · Jun 9, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,078 (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.$705,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$247,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$458,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$724,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$705,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Quadplex (4 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
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.1994
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Floor/Wall Furnace
CoolingThe type of cooling or air conditioning in the home.Wall Unit
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

Transaction History(6)

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.

H
Renton High SchoolD
High · Grades 9–12 · 0.3 mi
M
Dimmitt Middle SchoolD-
Middle · Grades 6–8 · 1.4 mi
E
Kennydale Elementary SchoolB+
Elementary · Grades KG–5 · 2.4 mi

District: Renton School District

Neighborhood · ZIP 98057These 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.149
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.263

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.15,169
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,518
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,695
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

78 Williams Ave S 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.

  • Bigger than 73% of homes in Renton 98057
  • Has a smaller lot than 75% of homes in King County
  • Older than 69% of homes in King County

How it measures up in Renton 98057

The dot is this home. The mark in the middle is the typical home in Renton 98057.

Living area2,240 ft²
SmallerTypical 1,510 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.14 ac
SmallerTypical 0.17 acBigger

Bigger than 36% of homes nearby

Year built1962
OlderTypical 1960Newer

Newer than 52% of homes nearby

How 78 Williams Ave S ranks against every home in each area.
MeasureThis homeRenton 98057King County
Living areabigger than2,240 ft²73% of homes65% of homes
Lot sizebigger than0.14 ac36% of homes25% of homes
Year builtnewer than196252% of homes31% of homes

About 78 Williams Ave S

When did 78 Williams Ave S, Renton, WA last sell?

78 Williams Ave S, Renton, WA last sold on Jun 9, 2025 for $850,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 78 Williams Ave S, Renton, WA?

78 Williams Ave S, Renton, WA has 2,240 square feet of living space and a 0.14-acre lot.

When was 78 Williams Ave S, Renton, WA built?

78 Williams Ave S, Renton, WA was built in 1962, making it 64 years old. It is a custom design home. The building has 1 story.

What schools serve 78 Williams Ave S, Renton, WA?

78 Williams Ave S, Renton, WA is assigned to Renton High School (high), rated D; Dimmitt Middle School (middle), rated D-; Kennydale Elementary School (elementary), rated B+. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 78 Williams Ave S, Renton, WA compare to other homes in Renton 98057?

Among the 2,593 homes in Renton 98057, it is bigger than 73% of them (2,240 ft² against a typical 1,510 ft²), its lot is bigger than 36% of them (0.14 ac against a typical 0.17 ac) and it is newer than 52% of them (1962 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 78 Williams Ave S, Renton, WA?

The 2026 property tax bill for 78 Williams Ave S, Renton, WA was $8,078. The county assessed it at $705,000.

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