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Single Family ResidenceResidential
$741,322$378 / 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 90How 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 $725,000 on Mar 13, 2024

503 SENECA AVE NW

RENTON, WA 98057
3
Beds
2
Baths
1,960 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
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

$741K
$664K low$818K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$725,000 · Mar 13, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,938 (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.$636,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$278,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$358,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$654,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$636,000

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.0.18
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.No

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.

M
Dimmitt Middle SchoolB-
Middle · Grades 6–8 · 0.4 mi
E
Bryn Mawr Elementary SchoolB-
Elementary · Grades KG–5 · 0.6 mi
H
Renton High SchoolD-
High · Grades 9–12 · 0.8 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%

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

503 Seneca Ave Nw 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 84% of homes in Renton 98057
  • Costs less per square foot than 75% of homes in King County
  • Bigger than 65% of homes in Renton 98057
  • Older than 66% 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
$222K$1.1M

This home is worth more than 84% 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$741,322
CheaperTypical $531,151Pricier

Pricier than 84% of homes nearby

Price per ft²$378
CheaperTypical $352Pricier

Pricier than 59% of homes nearby

Living area1,960 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.18 ac
SmallerTypical 0.17 acBigger

Bigger than 52% of homes nearby

Year built1964
OlderTypical 1960Newer

Newer than 54% of homes nearby

How 503 Seneca Ave Nw ranks against every home in each area.
MeasureThis homeRenton 98057King County
Estimated valuepricier than$741,32284% of homes42% of homes
Price per ft²pricier than$37859% of homes25% of homes
Living areabigger than1,960 ft²65% of homes54% of homes
Lot sizebigger than0.18 ac52% of homes43% of homes
Year builtnewer than196454% of homes34% of homes

About 503 Seneca Ave Nw

How much is 503 Seneca Ave Nw, Renton, WA worth?

The TopHap Estimate for 503 Seneca Ave Nw, Renton, WA is $741,322 as of Jul 14, 2026. The likely range is $664,411 to $818,233. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Seneca Ave Nw, Renton, WA last sell?

503 Seneca Ave Nw, Renton, WA last sold on Mar 13, 2024 for $725,000, according to the county's recorded deed.

How big is 503 Seneca Ave Nw, Renton, WA?

503 Seneca Ave Nw, Renton, WA has 3 bedrooms, 2 bathrooms, 1,960 square feet of living space and a 0.18-acre lot.

When was 503 Seneca Ave Nw, Renton, WA built?

503 Seneca Ave Nw, Renton, WA was built in 1964, making it 62 years old. The building has 1 story.

What schools serve 503 Seneca Ave Nw, Renton, WA?

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

How does 503 Seneca Ave Nw, Renton, WA compare to other homes in Renton 98057?

Among the 2,604 homes in Renton 98057, it is worth more than 84% of them ($741,322 against a typical $531,151), its price per square foot is higher than 59% of them ($378 against a typical $352), it is bigger than 65% of them (1,960 ft² against a typical 1,500 ft²), its lot is bigger than 52% of them (0.18 ac against a typical 0.17 ac) and it is newer than 54% of them (1964 against a typical 1960). Measured against all of King County, it is worth more than 42% 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 503 Seneca Ave Nw, Renton, WA?

The 2026 property tax bill for 503 Seneca Ave Nw, Renton, WA was $6,938. The county assessed it at $636,000.

More homes on Seneca Ave Nw

Closest homes

More homes in Renton 98057

Assigned schools

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See this home in context

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