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Single Family ResidenceResidential
$588,930$346 / 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 Jul 14, 2026

603 S 18TH ST

RENTON, WA 98055
3
Beds
1.8
Baths
1,700 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
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

$589K
$546K low$632K 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.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
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.107%
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.$585,500
E MORTGAGE CAPITAL INC · recorded Oct 19, 2021
2nd 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.$51,000
BOEING EMPLOYEES CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,635 (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.$700,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$261,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$439,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$678,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$700,000

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.0.16
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

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 · 0.3 mi
H
Renton High SchoolD-
High · Grades 9–12 · 1.3 mi
M
Dimmitt Middle SchoolB-
Middle · Grades 6–8 · 2.3 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

603 S 18th 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 76% of homes in King County
  • Costs less per square foot than 82% of homes in King County
  • Has a smaller lot than 76% of homes in Renton 98055
  • Older than 89% 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 47% 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$588,930
CheaperTypical $604,490Pricier

Pricier than 47% of homes nearby

Price per ft²$346
CheaperTypical $343Pricier

Pricier than 52% of homes nearby

Living area1,700 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.16 ac
SmallerTypical 0.22 acBigger

Bigger than 24% of homes nearby

Year built1959
OlderTypical 1986Newer

Newer than 11% of homes nearby

How 603 S 18th St ranks against every home in each area.
MeasureThis homeRenton 98055King County
Estimated valuepricier than$588,93047% of homes24% of homes
Price per ft²pricier than$34652% of homes18% of homes
Living areabigger than1,700 ft²50% of homes43% of homes
Lot sizebigger than0.16 ac24% of homes33% of homes
Year builtnewer than195911% of homes28% of homes

About 603 S 18th St

How much is 603 S 18th St, Renton, WA worth?

The TopHap Estimate for 603 S 18th St, Renton, WA is $588,930 as of Jul 14, 2026. The likely range is $546,222 to $631,638. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 603 S 18th St, Renton, WA last sell?

603 S 18th St, Renton, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 603 S 18th St, Renton, WA?

603 S 18th St, Renton, WA has 3 bedrooms, 1.8 bathrooms, 1,700 square feet of living space and a 0.16-acre lot.

When was 603 S 18th St, Renton, WA built?

603 S 18th St, Renton, WA was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 603 S 18th St, Renton, WA?

603 S 18th 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 603 S 18th St, Renton, WA compare to other homes in Renton 98055?

Among the 6,066 homes in Renton 98055, it is worth more than 47% of them ($588,930 against a typical $604,490), its price per square foot is higher than 52% of them ($346 against a typical $343), it is bigger than 50% of them (1,700 ft² against a typical 1,700 ft²), its lot is bigger than 24% of them (0.16 ac against a typical 0.22 ac) and it is newer than 11% of them (1959 against a typical 1986). Measured against all of King County, it is worth more than 24% 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 603 S 18th St, Renton, WA?

The 2026 property tax bill for 603 S 18th St, Renton, WA was $7,635. The county assessed it at $700,000.

Closest homes

More homes in Renton 98055

Assigned schools

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