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Single Family ResidenceResidential
$835,012$420 / 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 93How 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 $196,000 on Apr 18, 1995

19521 21ST AVE NE

LAKE FOREST PARK, WA 98155
4
Beds
2.3
Baths
1,990 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.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$835K
$776K low$894K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$196,000 · Apr 18, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,203 (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.$832,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$398,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$434,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$755,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$832,000

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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 370 ft²

Transaction History(1)

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
Brookside Elementary SchoolB-
Elementary · Grades KG–6 · 1.4 mi
M
Kellogg Middle SchoolA
Middle · Grades 7–8 · 1.8 mi
H
Shorecrest High SchoolA-
High · Grades 9–12 · 2.0 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

19521 21st Ave 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.

  • Costs less per square foot than 70% of homes in Seattle 98155
  • Has a smaller lot than 77% of homes in Seattle 98155
  • Newer than 66% of homes in Seattle 98155

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
$300K$1.8M

This home is worth more than 57% 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$835,012
CheaperTypical $790,668Pricier

Pricier than 57% of homes nearby

Price per ft²$420
CheaperTypical $467Pricier

Pricier than 30% of homes nearby

Living area1,990 ft²
SmallerTypical 1,750 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.18 ac
SmallerTypical 0.22 acBigger

Bigger than 23% of homes nearby

Year built1973
OlderTypical 1960Newer

Newer than 66% of homes nearby

How 19521 21st Ave Ne ranks against every home in each area.
MeasureThis homeSeattle 98155King County
Estimated valuepricier than$835,01257% of homes49% of homes
Price per ft²pricier than$42030% of homes32% of homes
Living areabigger than1,990 ft²62% of homes56% of homes
Lot sizebigger than0.18 ac23% of homes42% of homes
Year builtnewer than197366% of homes44% of homes

About 19521 21st Ave Ne

How much is 19521 21st Ave Ne, Lake Forest Park, WA worth?

The TopHap Estimate for 19521 21st Ave Ne, Lake Forest Park, WA is $835,012 as of Sep 24, 2026. The likely range is $776,202 to $893,822. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 19521 21st Ave Ne, Lake Forest Park, WA last sell?

19521 21st Ave Ne, Lake Forest Park, WA last sold on Apr 18, 1995 for $196,000, according to the county's recorded deed.

How big is 19521 21st Ave Ne, Lake Forest Park, WA?

19521 21st Ave Ne, Lake Forest Park, WA has 4 bedrooms, 2.3 bathrooms, 1,990 square feet of living space and a 0.18-acre lot.

When was 19521 21st Ave Ne, Lake Forest Park, WA built?

19521 21st Ave Ne, Lake Forest Park, WA was built in 1973, making it 53 years old. The building has 2 stories.

What schools serve 19521 21st Ave Ne, Lake Forest Park, WA?

19521 21st Ave Ne, Lake Forest Park, WA is assigned to Brookside Elementary School (elementary), rated B-; Kellogg Middle School (middle), rated A; Shorecrest High School (high), rated A-. All sit in Shoreline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 19521 21st Ave Ne, Lake Forest Park, WA compare to other homes in Seattle 98155?

Among the 11,872 homes in Seattle 98155, it is worth more than 57% of them ($835,012 against a typical $790,668), its price per square foot is higher than 30% of them ($420 against a typical $467), it is bigger than 62% of them (1,990 ft² against a typical 1,750 ft²), its lot is bigger than 23% of them (0.18 ac against a typical 0.22 ac) and it is newer than 66% of them (1973 against a typical 1960). Measured against all of King County, it is worth more than 49% 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 19521 21st Ave Ne, Lake Forest Park, WA?

The 2026 property tax bill for 19521 21st Ave Ne, Lake Forest Park, WA was $8,203. The county assessed it at $832,000.

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