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Single Family ResidenceResidential
$670,532$221 / 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 Sep 24, 2026

509 WILLIAMS AVE N

RENTON, WA 98057
3
Beds
1
Baths
3,040 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1918
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$671K
$650K low$691K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,370 (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.$676,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$339,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$337,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$695,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$676,000

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.0.12
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, Detached
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.Porch · 100 ft²

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 · 0.7 mi
E
Kennydale Elementary SchoolB+
Elementary · Grades KG–5 · 1.9 mi
M
Ridson Middle SchoolB+
Middle · Grades 6–8 · 3.6 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

509 Williams Ave N 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 more than 95% of homes in Renton Farm
  • Among the lowest price per square foot in King County
  • Bigger than 94% of homes in Renton Farm
  • Has a smaller lot than 79% of homes in King County
  • Older than 94% of homes in King County

What homes are worth in Renton 98057

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

This home
$230K$1.2M

This home is worth more than 71% of homes in Renton 98057.

How it measures up in Renton 98057

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

Estimated value$670,532
CheaperTypical $538,208Pricier

Pricier than 71% of homes nearby

Price per ft²$221
CheaperTypical $355Pricier

Pricier than 3% of homes nearby

Living area3,040 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.12 ac
SmallerTypical 0.17 acBigger

Bigger than 28% of homes nearby

Year built1918
OlderTypical 1960Newer

Newer than 13% of homes nearby

How 509 Williams Ave N ranks against every home in each area.
MeasureThis homeRenton FarmRenton 98057King County
Estimated valuepricier than$670,53295% of homes71% of homes32% of homes
Price per ft²pricier than$2212% of homes3% of homesalmost no homes
Living areabigger than3,040 ft²94% of homes87% of homes85% of homes
Lot sizebigger than0.12 ac61% of homes28% of homes21% of homes
Year builtnewer than191818% of homes13% of homes6% of homes

About 509 Williams Ave N

How much is 509 Williams Ave N, Renton, WA worth?

The TopHap Estimate for 509 Williams Ave N, Renton, WA is $670,532 as of Sep 24, 2026. The likely range is $649,685 to $691,379. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Williams Ave N, Renton, WA last sell?

509 Williams Ave N, Renton, WA last sold on Jun 30, 1987, according to the county's recorded deed.

How big is 509 Williams Ave N, Renton, WA?

509 Williams Ave N, Renton, WA has 3 bedrooms, 1 bathrooms, 3,040 square feet of living space and a 0.12-acre lot.

When was 509 Williams Ave N, Renton, WA built?

509 Williams Ave N, Renton, WA was built in 1918, making it 108 years old. The building has 1 story.

What schools serve 509 Williams Ave N, Renton, WA?

509 Williams Ave N, Renton, WA is assigned to Renton High School (high), rated D-; Kennydale Elementary School (elementary), 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 509 Williams Ave N, Renton, WA compare to other homes in Renton 98057?

Among the 2,593 homes in Renton 98057, it is worth more than 71% of them ($670,532 against a typical $538,208), its price per square foot is higher than 3% of them ($221 against a typical $355), it is bigger than 87% of them (3,040 ft² against a typical 1,520 ft²), its lot is bigger than 28% of them (0.12 ac against a typical 0.17 ac) and it is newer than 13% of them (1918 against a typical 1960). Measured against all of King County, it is worth more than 32% 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 509 Williams Ave N, Renton, WA?

The 2026 property tax bill for 509 Williams Ave N, Renton, WA was $7,370. The county assessed it at $676,000.

More homes on Williams Ave N

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