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Single Family ResidenceResidential
$665,043$300 / 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

303 S 21ST ST

RENTON, WA 98055
4
Beds
3.3
Baths
2,220 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
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

$665K
$593K low$737K high
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.$465,043
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$372,034
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.29%
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.$200,000
BOEING EMPS CU · recorded Aug 9, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,769 (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.$718,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$255,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$463,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$695,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$718,000

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.0.28
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 ft²Porch · 40 ft²

Transaction History(2)

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
Talbot Hill Elementary SchoolB-
Elementary · Grades KG–5 · 0.2 mi
H
Renton High SchoolD-
High · Grades 9–12 · 1.5 mi
M
Dimmitt Middle SchoolB-
Middle · Grades 6–8 · 2.4 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.Yes

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

303 S 21st St 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 67% of homes in King County
  • Costs less per square foot than 91% of homes in King County
  • Bigger than 73% of homes in Renton 98055
  • Has a bigger lot than 67% of homes in King County
  • Newer than 80% 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 66% 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$665,043
CheaperTypical $604,490Pricier

Pricier than 66% of homes nearby

Price per ft²$300
CheaperTypical $343Pricier

Pricier than 22% of homes nearby

Living area2,220 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.28 ac
SmallerTypical 0.22 acBigger

Bigger than 61% of homes nearby

Year built2001
OlderTypical 1986Newer

Newer than 80% of homes nearby

How 303 S 21st St ranks against every home in each area.
MeasureThis homeRenton 98055King County
Estimated valuepricier than$665,04366% of homes33% of homes
Price per ft²pricier than$30022% of homes9% of homes
Living areabigger than2,220 ft²73% of homes64% of homes
Lot sizebigger than0.28 ac61% of homes67% of homes
Year builtnewer than200180% of homes78% of homes

About 303 S 21st St

How much is 303 S 21st St, Renton, WA worth?

The TopHap Estimate for 303 S 21st St, Renton, WA is $665,043 as of Jul 14, 2026. The likely range is $593,329 to $736,757. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 303 S 21st St, Renton, WA last sell?

303 S 21st St, Renton, WA last sold on Jul 19, 2001, according to the county's recorded deed.

How big is 303 S 21st St, Renton, WA?

303 S 21st St, Renton, WA has 4 bedrooms, 3.3 bathrooms, 2,220 square feet of living space and a 0.28-acre lot.

When was 303 S 21st St, Renton, WA built?

303 S 21st St, Renton, WA was built in 2001, making it 25 years old. The building has 2 stories.

What schools serve 303 S 21st St, Renton, WA?

303 S 21st St, Renton, WA is assigned to Talbot Hill Elementary School (elementary), rated B-; Renton High School (high), rated D-; Dimmitt Middle School (middle), rated B-. All sit in Renton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 303 S 21st St, Renton, WA compare to other homes in Renton 98055?

Among the 6,066 homes in Renton 98055, it is worth more than 66% of them ($665,043 against a typical $604,490), its price per square foot is higher than 22% of them ($300 against a typical $343), it is bigger than 73% of them (2,220 ft² against a typical 1,700 ft²), its lot is bigger than 61% of them (0.28 ac against a typical 0.22 ac) and it is newer than 80% of them (2001 against a typical 1986). Measured against all of King County, it is worth more than 33% 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 303 S 21st St, Renton, WA?

The 2026 property tax bill for 303 S 21st St, Renton, WA was $7,769. The county assessed it at $718,000.

Closest homes

More homes in Renton 98055

Assigned schools

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