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Single Family ResidenceResidential
$652,963$283 / 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 91How 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

284 THOMAS AVE SW

RENTON, WA 98057
3
Beds
1
Baths
2,310 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
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

$653K
$594K low$712K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$532,963
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$426,370
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.17%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$105,000
EAGLE HOME MORTGAGE CO · recorded Aug 28, 1998
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$15,000
CHASE MANHATTAN MORTGAGE CORP

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,202 (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.$661,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$327,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$334,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$679,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$661,000

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.0.17
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Deck · 130 ft²Porch · 80 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 · 0.8 mi
M
Dimmitt Middle SchoolB-
Middle · Grades 6–8 · 0.9 mi
E
Bryn Mawr Elementary SchoolB-
Elementary · Grades KG–5 · 1.3 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

284 Thomas Ave Sw 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 72% of homes in Renton 98057
  • Costs less per square foot than 93% of homes in King County
  • Bigger than 75% of homes in Renton 98057
  • Older than 97% 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
$224K$1.1M

This home is worth more than 72% 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$652,963
CheaperTypical $533,725Pricier

Pricier than 72% of homes nearby

Price per ft²$283
CheaperTypical $353Pricier

Pricier than 20% of homes nearby

Living area2,310 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 75% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 49% of homes nearby

Year built1910
OlderTypical 1960Newer

Newer than 10% of homes nearby

How 284 Thomas Ave Sw ranks against every home in each area.
MeasureThis homeRenton 98057King County
Estimated valuepricier than$652,96372% of homes32% of homes
Price per ft²pricier than$28320% of homes7% of homes
Living areabigger than2,310 ft²75% of homes68% of homes
Lot sizebigger than0.17 ac49% of homes36% of homes
Year builtnewer than191010% of homes3% of homes

About 284 Thomas Ave Sw

How much is 284 Thomas Ave Sw, Renton, WA worth?

The TopHap Estimate for 284 Thomas Ave Sw, Renton, WA is $652,963 as of Jul 14, 2026. The likely range is $594,314 to $711,612. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 284 Thomas Ave Sw, Renton, WA last sell?

284 Thomas Ave Sw, Renton, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 284 Thomas Ave Sw, Renton, WA?

284 Thomas Ave Sw, Renton, WA has 3 bedrooms, 1 bathrooms, 2,310 square feet of living space and a 0.17-acre lot.

When was 284 Thomas Ave Sw, Renton, WA built?

284 Thomas Ave Sw, Renton, WA was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 284 Thomas Ave Sw, Renton, WA?

284 Thomas Ave Sw, Renton, WA is assigned to Renton High School (high), rated D-; Dimmitt Middle School (middle), rated B-; Bryn Mawr 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 284 Thomas Ave Sw, Renton, WA compare to other homes in Renton 98057?

Among the 2,604 homes in Renton 98057, it is worth more than 72% of them ($652,963 against a typical $533,725), its price per square foot is higher than 20% of them ($283 against a typical $353), it is bigger than 75% of them (2,310 ft² against a typical 1,500 ft²), its lot is bigger than 49% of them (0.17 ac against a typical 0.17 ac) and it is newer than 10% of them (1910 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 284 Thomas Ave Sw, Renton, WA?

The 2026 property tax bill for 284 Thomas Ave Sw, Renton, WA was $7,202. The county assessed it at $661,000.

More homes on Thomas Ave Sw

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Assigned schools

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