Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$594,658$419 / 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 Jul 14, 2026
Last sold for $250,000 on Mar 21, 2013

10509 SE 166TH ST

RENTON, WA 98055
3
Beds
1.8
Baths
1,420 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
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

$595K
$573K low$616K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Mar 21, 2013
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.$194,783
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$155,826
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.74%
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.$255,375
BAY EQUITY LLC · recorded Mar 21, 2013
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.$144,500
BOEING EMPS CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,819 (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.$630,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$278,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$352,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$615,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$630,000

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.0.23
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

Transaction History(6)

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 · 0.8 mi
H
Lindbergh High SchoolC
High · Grades 9–12 · 1.6 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

10509 Se 166th 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 75% of homes in King County
  • Costs more per square foot than 87% of homes in Renton 98055
  • Smaller than 69% of homes in King County

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
$259K$981K

This home is worth more than 48% 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$594,658
CheaperTypical $603,282Pricier

Pricier than 48% of homes nearby

Price per ft²$419
CheaperTypical $343Pricier

Pricier than 87% of homes nearby

Living area1,420 ft²
SmallerTypical 1,700 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.22 ac
SmallerTypical 0.22 acBigger

Bigger than 50% of homes nearby

Year built1983
OlderTypical 1986Newer

Newer than 46% of homes nearby

How 10509 Se 166th St ranks against every home in each area.
MeasureThis homeRenton 98055King County
Estimated valuepricier than$594,65848% of homes25% of homes
Price per ft²pricier than$41987% of homes33% of homes
Living areabigger than1,420 ft²34% of homes31% of homes
Lot sizebigger than0.22 ac50% of homes58% of homes
Year builtnewer than198346% of homes57% of homes

About 10509 Se 166th St

How much is 10509 Se 166th St, Renton, WA worth?

The TopHap Estimate for 10509 Se 166th St, Renton, WA is $594,658 as of Jul 14, 2026. The likely range is $573,378 to $615,938. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10509 Se 166th St, Renton, WA last sell?

10509 Se 166th St, Renton, WA last sold on Mar 21, 2013 for $250,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 10509 Se 166th St, Renton, WA?

10509 Se 166th St, Renton, WA has 3 bedrooms, 1.8 bathrooms, 1,420 square feet of living space and a 0.23-acre lot.

When was 10509 Se 166th St, Renton, WA built?

10509 Se 166th St, Renton, WA was built in 1983, making it 43 years old. The building has 1 story.

What schools serve 10509 Se 166th St, Renton, WA?

10509 Se 166th St, 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 10509 Se 166th St, Renton, WA compare to other homes in Renton 98055?

Among the 6,066 homes in Renton 98055, it is worth more than 48% of them ($594,658 against a typical $603,282), its price per square foot is higher than 87% of them ($419 against a typical $343), it is bigger than 34% of them (1,420 ft² against a typical 1,700 ft²), its lot is bigger than 50% of them (0.22 ac against a typical 0.22 ac) and it is newer than 46% of them (1983 against a typical 1986). Measured against all of King County, it is worth more than 25% 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 10509 Se 166th St, Renton, WA?

The 2026 property tax bill for 10509 Se 166th St, Renton, WA was $6,819. The county assessed it at $630,000.

Closest homes

More homes in Renton 98055

Assigned schools

Explore the area

See this home in context

Open 10509 Se 166th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map