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Single Family ResidenceResidential
$783,041$332 / 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 95How 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
Last sold for $640,500 on Nov 13, 2018

17521 20TH PL NE

SHORELINE, WA 98155
4
Beds
2.5
Baths
2,360 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
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

$783K
$740K low$826K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$640,500 · Nov 13, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,427 (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.$775,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$340,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$435,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$739,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$775,000

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.0.15
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 280 ft²Elevator

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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Kellogg Middle SchoolA-
Middle · Grades 7–8 · 0.7 mi
H
Shorecrest High SchoolA
High · Grades 9–12 · 1.0 mi
E
Briarcrest Elementary SchoolA
Elementary · Grades KG–6 · 1.0 mi

District: Shoreline School District

Neighborhood · ZIP 98155These 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.73
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 100.270

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.36,427
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,657 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,395
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,303
Average tempThe average temperature here across a full year.51°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

17521 20th Pl Ne 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 71% of homes in North City
  • Costs less per square foot than 95% of homes in Seattle 98155
  • Bigger than 86% of homes in North City
  • Has a smaller lot than 91% of homes in Seattle 98155
  • Newer than 74% of homes in North City

What homes are worth in Seattle 98155

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

This home
$307K$1.8M

This home is worth more than 48% of homes in Seattle 98155.

How it measures up in Seattle 98155

The dot is this home. The mark in the middle is the typical home in Seattle 98155.

Estimated value$783,041
CheaperTypical $791,669Pricier

Pricier than 48% of homes nearby

Price per ft²$332
CheaperTypical $468Pricier

Pricier than 5% of homes nearby

Living area2,360 ft²
SmallerTypical 1,760 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.15 ac
SmallerTypical 0.21 acBigger

Bigger than 9% of homes nearby

Year built1977
OlderTypical 1959Newer

Newer than 73% of homes nearby

How 17521 20th Pl Ne ranks against every home in each area.
MeasureThis homeNorth CitySeattle 98155King County
Estimated valuepricier than$783,04171% of homes48% of homes45% of homes
Price per ft²pricier than$33213% of homes5% of homes13% of homes
Living areabigger than2,360 ft²86% of homes76% of homes69% of homes
Lot sizebigger than0.15 ac14% of homes9% of homes31% of homes
Year builtnewer than197774% of homes73% of homes48% of homes

About 17521 20th Pl Ne

How much is 17521 20th Pl Ne, Shoreline, WA worth?

The TopHap Estimate for 17521 20th Pl Ne, Shoreline, WA is $783,041 as of Sep 24, 2026. The likely range is $740,023 to $826,059. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17521 20th Pl Ne, Shoreline, WA last sell?

17521 20th Pl Ne, Shoreline, WA last sold on Nov 13, 2018 for $640,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 17521 20th Pl Ne, Shoreline, WA?

17521 20th Pl Ne, Shoreline, WA has 4 bedrooms, 2.5 bathrooms, 2,360 square feet of living space and a 0.15-acre lot.

When was 17521 20th Pl Ne, Shoreline, WA built?

17521 20th Pl Ne, Shoreline, WA was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 17521 20th Pl Ne, Shoreline, WA?

17521 20th Pl Ne, Shoreline, WA is assigned to Kellogg Middle School (middle), rated A-; Shorecrest High School (high), rated A; Briarcrest Elementary School (elementary), rated A. All sit in Shoreline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17521 20th Pl Ne, Shoreline, WA compare to other homes in Seattle 98155?

Among the 11,886 homes in Seattle 98155, it is worth more than 48% of them ($783,041 against a typical $791,669), its price per square foot is higher than 5% of them ($332 against a typical $468), it is bigger than 76% of them (2,360 ft² against a typical 1,760 ft²), its lot is bigger than 9% of them (0.15 ac against a typical 0.21 ac) and it is newer than 73% of them (1977 against a typical 1959). Measured against all of King County, it is worth more than 45% 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 17521 20th Pl Ne, Shoreline, WA?

The 2026 property tax bill for 17521 20th Pl Ne, Shoreline, WA was $8,427. The county assessed it at $775,000.

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