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Single Family ResidenceResidential
$584,930$265 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $421,000 on Feb 23, 2018

1820 SE 21ST PL

RENTON, WA 98055
4
Beds
2.3
Baths
2,210 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
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

$585K
$522K low$647K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$421,000 · Feb 23, 2018
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$212,430
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$169,944
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.56%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$372,500
2004 0000421 LLC · recorded Jan 18, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,692 (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.$707,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$312,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$395,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$690,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$707,000

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.0.21
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 · 80 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.

M
Nelson Middle SchoolC-
Middle · Grades 6–8 · 0.3 mi
E
Cascade Elementary SchoolC
Elementary · Grades KG–5 · 0.5 mi
H
Lindbergh High SchoolC
High · Grades 9–12 · 1.4 mi

District: Renton School District

Neighborhood · ZIP 98055These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.260

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.25,369
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,600 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,982
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,498
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

1820 Se 21st Pl 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 less than 77% of homes in King County
  • Costs less per square foot than 96% of homes in King County
  • Bigger than 73% of homes in Renton 98055

What homes are worth in Renton 98055

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

This home
$269K$1M

This home is worth more than 46% of homes in Renton 98055.

How it measures up in Renton 98055

The dot is this home. The mark in the middle is the typical home in Renton 98055.

Estimated value$584,930
CheaperTypical $604,490Pricier

Pricier than 46% of homes nearby

Price per ft²$265
CheaperTypical $343Pricier

Pricier than 10% of homes nearby

Living area2,210 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.21 ac
SmallerTypical 0.22 acBigger

Bigger than 47% of homes nearby

Year built1978
OlderTypical 1986Newer

Newer than 36% of homes nearby

How 1820 Se 21st Pl ranks against every home in each area.
MeasureThis homeRenton 98055King County
Estimated valuepricier than$584,93046% of homes23% of homes
Price per ft²pricier than$26510% of homes4% of homes
Living areabigger than2,210 ft²73% of homes64% of homes
Lot sizebigger than0.21 ac47% of homes54% of homes
Year builtnewer than197836% of homes50% of homes

About 1820 Se 21st Pl

How much is 1820 Se 21st Pl, Renton, WA worth?

The TopHap Estimate for 1820 Se 21st Pl, Renton, WA is $584,930 as of Jul 14, 2026. The likely range is $522,429 to $647,431. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1820 Se 21st Pl, Renton, WA last sell?

1820 Se 21st Pl, Renton, WA last sold on Feb 23, 2018 for $421,000, according to the county's recorded deed.

How big is 1820 Se 21st Pl, Renton, WA?

1820 Se 21st Pl, Renton, WA has 4 bedrooms, 2.3 bathrooms, 2,210 square feet of living space and a 0.21-acre lot.

When was 1820 Se 21st Pl, Renton, WA built?

1820 Se 21st Pl, Renton, WA was built in 1978, making it 48 years old. The building has 1 story.

What schools serve 1820 Se 21st Pl, Renton, WA?

1820 Se 21st Pl, Renton, WA is assigned to Nelson Middle School (middle), rated C-; Cascade Elementary School (elementary), rated C; Lindbergh High School (high), rated C. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1820 Se 21st Pl, Renton, WA compare to other homes in Renton 98055?

Among the 6,066 homes in Renton 98055, it is worth more than 46% of them ($584,930 against a typical $604,490), its price per square foot is higher than 10% of them ($265 against a typical $343), it is bigger than 73% of them (2,210 ft² against a typical 1,700 ft²), its lot is bigger than 47% of them (0.21 ac against a typical 0.22 ac) and it is newer than 36% of them (1978 against a typical 1986). Measured against all of King County, it is worth more than 23% 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 1820 Se 21st Pl, Renton, WA?

The 2026 property tax bill for 1820 Se 21st Pl, Renton, WA was $7,692. The county assessed it at $707,000.

Closest homes

More homes in Renton 98055

Assigned schools

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