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Single Family ResidenceResidential
$1,008,429$695 / 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 Oct 21, 2026
Last sold for $360,000 on Jun 28, 2001

509 N 70TH ST

SEATTLE, WA 98103
2
Beds
2
Baths
1,450 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.
4,140 ft²
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.

Valuation

$1M
$977K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$360,000 · Jun 28, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,046 (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.$951,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$669,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$282,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$938,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$951,000

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.0.10
HeatingThe type of heating system in the home.Floor/Wall Furnace
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 400 ft²

Transaction History(3)

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
West Woodland Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Lincoln High SchoolA+
High · Grades 9–12 · 1.4 mi
M
Hamilton International Middle SchoolA+
Middle · Grades 6–8 · 1.7 mi

District: Seattle School District

Neighborhood · ZIP 98103These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.359

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.54,252
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$130,064
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,315
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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 N 70th St 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.

  • Costs more per square foot than 84% of homes in King County
  • Smaller than 68% of homes in King County
  • Has a smaller lot than 88% of homes in King County
  • Older than 97% of homes in King County

What homes are worth in Seattle 98103

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

This home
$314K$2.1M

This home is worth more than 57% of homes in Seattle 98103.

How it measures up in Seattle 98103

The dot is this home. The mark in the middle is the typical home in Seattle 98103.

Estimated value$1,008,429
CheaperTypical $941,963Pricier

Pricier than 57% of homes nearby

Price per ft²$695
CheaperTypical $624Pricier

Pricier than 71% of homes nearby

Living area1,450 ft²
SmallerTypical 1,550 ft²Bigger

Bigger than 44% of homes nearby

Lot size4,140 ft²
SmallerTypical 4,182 ft²Bigger

Bigger than 50% of homes nearby

Year built1910
OlderTypical 1947Newer

Newer than 14% of homes nearby

How 509 N 70th St ranks against every home in each area.
MeasureThis homePhinney RidgeSeattle 98103King County
Estimated valuepricier than$1,008,42939% of homes57% of homes61% of homes
Price per ft²pricier than$69562% of homes71% of homes84% of homes
Living areabigger than1,450 ft²37% of homes44% of homes32% of homes
Lot sizebigger than4,140 ft²50% of homes50% of homes12% of homes
Year builtnewer than191017% of homes14% of homes3% of homes

About 509 N 70th St

How much is 509 N 70th St, Seattle, WA worth?

The TopHap Estimate for 509 N 70th St, Seattle, WA is $1,008,429 as of Oct 21, 2026. The likely range is $976,739 to $1,040,119. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 N 70th St, Seattle, WA last sell?

509 N 70th St, Seattle, WA last sold on Jun 28, 2001 for $360,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 N 70th St, Seattle, WA?

509 N 70th St, Seattle, WA has 2 bedrooms, 2 bathrooms, 1,450 square feet of living space and a 0.10-acre lot.

When was 509 N 70th St, Seattle, WA built?

509 N 70th St, Seattle, WA was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 509 N 70th St, Seattle, WA?

509 N 70th St, Seattle, WA is assigned to West Woodland Elementary School (elementary), rated A+; Lincoln High School (high), rated A+; Hamilton International Middle School (middle), rated A+. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 N 70th St, Seattle, WA compare to other homes in Seattle 98103?

Among the 17,298 homes in Seattle 98103, it is worth more than 57% of them ($1,008,429 against a typical $941,963), its price per square foot is higher than 71% of them ($695 against a typical $624), it is bigger than 44% of them (1,450 ft² against a typical 1,550 ft²), its lot is bigger than 50% of them (4,140 ft² against a typical 4,182 ft²) and it is newer than 14% of them (1910 against a typical 1947). Measured against all of King County, it is worth more than 61% 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 N 70th St, Seattle, WA?

The 2026 property tax bill for 509 N 70th St, Seattle, WA was $10,046. The county assessed it at $951,000.

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