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Single Family ResidenceResidential
$859,585$367 / 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 $736,750 on Jan 16, 2019

2121 21ST AVE S

SEATTLE, WA 98144
5
Beds
2.5
Baths
2,340 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1943
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

$860K
$815K low$904K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$736,750 · Jan 16, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,069 (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.$933,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$515,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$418,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$901,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$933,000

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.0.14
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, 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 · 120 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
Beacon Hill International Elementary SchoolB+
Elementary · Grades KG–5 · 0.5 mi
H
Franklin High SchoolC+
High · Grades 9–12 · 0.8 mi
M
Mercer International Middle SchoolB
Middle · Grades 6–8 · 1.4 mi

District: Seattle School District

Neighborhood · ZIP 98144These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.310

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.30,242
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,774 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,101
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Owner Tools

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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

2121 21st Ave S 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 75% of homes in North Beacon Hill
  • Costs less per square foot than 94% of homes in Seattle 98144
  • Bigger than 84% of homes in North Beacon Hill
  • Has a smaller lot than 74% of homes in King County
  • Older than 84% of homes in King County

What homes are worth in Seattle 98144

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

This home
$307K$2.6M

This home is worth more than 59% of homes in Seattle 98144.

How it measures up in Seattle 98144

The dot is this home. The mark in the middle is the typical home in Seattle 98144.

Estimated value$859,585
CheaperTypical $795,856Pricier

Pricier than 59% of homes nearby

Price per ft²$367
CheaperTypical $518Pricier

Pricier than 6% of homes nearby

Living area2,340 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.14 ac
SmallerTypical 4,095 ft²Bigger

Bigger than 71% of homes nearby

Year built1943
OlderTypical 1960Newer

Newer than 42% of homes nearby

How 2121 21st Ave S ranks against every home in each area.
MeasureThis homeNorth Beacon HillSeattle 98144King County
Estimated valuepricier than$859,58575% of homes59% of homes51% of homes
Price per ft²pricier than$36713% of homes6% of homes21% of homes
Living areabigger than2,340 ft²84% of homes78% of homes68% of homes
Lot sizebigger than0.14 ac65% of homes71% of homes26% of homes
Year builtnewer than194340% of homes42% of homes16% of homes

About 2121 21st Ave S

How much is 2121 21st Ave S, Seattle, WA worth?

The TopHap Estimate for 2121 21st Ave S, Seattle, WA is $859,585 as of Sep 24, 2026. The likely range is $814,967 to $904,203. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 2121 21st Ave S, Seattle, WA last sell?

2121 21st Ave S, Seattle, WA last sold on Jan 16, 2019 for $736,750, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 2121 21st Ave S, Seattle, WA?

2121 21st Ave S, Seattle, WA has 5 bedrooms, 2.5 bathrooms, 2,340 square feet of living space and a 0.14-acre lot.

When was 2121 21st Ave S, Seattle, WA built?

2121 21st Ave S, Seattle, WA was built in 1943, making it 83 years old. The building has 1 story.

What schools serve 2121 21st Ave S, Seattle, WA?

2121 21st Ave S, Seattle, WA is assigned to Beacon Hill International Elementary School (elementary), rated B+; Franklin High School (high), rated C+; Mercer International Middle School (middle), rated B. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 2121 21st Ave S, Seattle, WA compare to other homes in Seattle 98144?

Among the 9,849 homes in Seattle 98144, it is worth more than 59% of them ($859,585 against a typical $795,856), its price per square foot is higher than 6% of them ($367 against a typical $518), it is bigger than 78% of them (2,340 ft² against a typical 1,620 ft²), its lot is bigger than 71% of them (0.14 ac against a typical 4,095 ft²) and it is newer than 42% of them (1943 against a typical 1960). Measured against all of King County, it is worth more than 51% 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 2121 21st Ave S, Seattle, WA?

The 2026 property tax bill for 2121 21st Ave S, Seattle, WA was $10,069. The county assessed it at $933,000.

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