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Single Family ResidenceResidential
$1,024,563$563 / 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 96How 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 $841,150 on Jul 9, 2021

421 31ST AVE

SEATTLE, WA 98122
3
Beds
3.5
Baths
1,820 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1908
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1M
$985K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$841,150 · Jul 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,062 (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.$942,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$736,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$908,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$942,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1996
Lot (acres)The size of the land the home sits on, from county records.0.12
HeatingThe type of heating system in the home.Electric
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 · 140 ft²

Transaction History(5)

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
Leschi Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
H
Garfield High SchoolA-
High · Grades 9–12 · 0.4 mi
M
Meany Middle SchoolC-
Middle · Grades 6–8 · 1.3 mi

District: Seattle School District

Neighborhood · ZIP 98122These 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.151
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.360

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.44,254
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,532 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,224
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,924
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%

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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

421 31st Ave 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 68% of homes in Seattle 98122
  • Costs less per square foot than 68% of homes in Leschi
  • Has a smaller lot than 83% of homes in King County
  • Older than 98% of homes in King County

What homes are worth in Seattle 98122

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

This home
$268K$2.8M

This home is worth more than 68% of homes in Seattle 98122.

How it measures up in Seattle 98122

The dot is this home. The mark in the middle is the typical home in Seattle 98122.

Estimated value$1,024,563
CheaperTypical $826,653Pricier

Pricier than 68% of homes nearby

Price per ft²$563
CheaperTypical $587Pricier

Pricier than 41% of homes nearby

Living area1,820 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.11 ac
SmallerTypical 0.11 acBigger

Bigger than 53% of homes nearby

Year built1908
OlderTypical 1980Newer

Newer than 20% of homes nearby

How 421 31st Ave ranks against every home in each area.
MeasureThis homeLeschiSeattle 98122King County
Estimated valuepricier than$1,024,56343% of homes68% of homes62% of homes
Price per ft²pricier than$56332% of homes41% of homes62% of homes
Living areabigger than1,820 ft²47% of homes64% of homes49% of homes
Lot sizebigger than0.11 ac57% of homes53% of homes17% of homes
Year builtnewer than190817% of homes20% of homes2% of homes

About 421 31st Ave

How much is 421 31st Ave, Seattle, WA worth?

The TopHap Estimate for 421 31st Ave, Seattle, WA is $1,024,563 as of Sep 24, 2026. The likely range is $985,348 to $1,063,778. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 31st Ave, Seattle, WA last sell?

421 31st Ave, Seattle, WA last sold on Jul 9, 2021 for $841,150, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 421 31st Ave, Seattle, WA?

421 31st Ave, Seattle, WA has 3 bedrooms, 3.5 bathrooms, 1,820 square feet of living space and a 0.12-acre lot.

When was 421 31st Ave, Seattle, WA built?

421 31st Ave, Seattle, WA was built in 1908, making it 118 years old. The building has 2 stories.

What schools serve 421 31st Ave, Seattle, WA?

421 31st Ave, Seattle, WA is assigned to Leschi Elementary School (elementary), rated C+; Garfield High School (high), rated A-; Meany Middle School (middle), rated C-. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 31st Ave, Seattle, WA compare to other homes in Seattle 98122?

Among the 9,868 homes in Seattle 98122, it is worth more than 68% of them ($1,024,563 against a typical $826,653), its price per square foot is higher than 41% of them ($563 against a typical $587), it is bigger than 64% of them (1,820 ft² against a typical 1,520 ft²), its lot is bigger than 53% of them (0.11 ac against a typical 0.11 ac) and it is newer than 20% of them (1908 against a typical 1980). Measured against all of King County, it is worth more than 62% 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 421 31st Ave, Seattle, WA?

The 2026 property tax bill for 421 31st Ave, Seattle, WA was $10,062. The county assessed it at $942,000.

More homes on 31st Ave

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