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Single Family ResidenceResidential
$817,554$606 / 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 95How 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 $139,700 on Oct 31, 1994

3550 SW 99TH ST

SEATTLE, WA 98126
3
Beds
1
Baths
1,350 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
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

$818K
$779K low$856K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,700 · Oct 31, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,456 (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.$679,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$402,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$277,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$648,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$679,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.0.12
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, Detached
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.Porch · 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.

E
Arbor Heights Elementary SchoolA-
Elementary · Grades PK–5 · 0.4 mi
H
Chief Sealth International High SchoolC-
High · Grades 9–12 · 1.2 mi
M
Denny International Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi

District: Seattle School District

Neighborhood · ZIP 98126These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.312

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.25,119
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,583 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$120,595
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,709
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

3550 Sw 99th 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.

  • Costs more per square foot than 73% of homes in Seattle 98126
  • Smaller than 72% of homes in King County
  • Has a smaller lot than 87% of homes in Arbor Heights
  • Newer than 77% of homes in Arbor Heights

What homes are worth in Seattle 98126

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

This home
$318K$1.7M

This home is worth more than 63% of homes in Seattle 98126.

How it measures up in Seattle 98126

The dot is this home. The mark in the middle is the typical home in Seattle 98126.

Estimated value$817,554
CheaperTypical $738,926Pricier

Pricier than 63% of homes nearby

Price per ft²$606
CheaperTypical $513Pricier

Pricier than 73% of homes nearby

Living area1,350 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.12 ac
SmallerTypical 0.13 acBigger

Bigger than 49% of homes nearby

Year built1963
OlderTypical 1951Newer

Newer than 61% of homes nearby

How 3550 Sw 99th St ranks against every home in each area.
MeasureThis homeArbor HeightsSeattle 98126King County
Estimated valuepricier than$817,55450% of homes63% of homes48% of homes
Price per ft²pricier than$60667% of homes73% of homes70% of homes
Living areabigger than1,350 ft²39% of homes42% of homes28% of homes
Lot sizebigger than0.12 ac13% of homes49% of homes21% of homes
Year builtnewer than196377% of homes61% of homes34% of homes

About 3550 Sw 99th St

How much is 3550 Sw 99th St, Seattle, WA worth?

The TopHap Estimate for 3550 Sw 99th St, Seattle, WA is $817,554 as of Sep 24, 2026. The likely range is $779,319 to $855,789. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3550 Sw 99th St, Seattle, WA last sell?

3550 Sw 99th St, Seattle, WA last sold on Oct 31, 1994 for $139,700, according to the county's recorded deed.

How big is 3550 Sw 99th St, Seattle, WA?

3550 Sw 99th St, Seattle, WA has 3 bedrooms, 1 bathrooms, 1,350 square feet of living space and a 0.12-acre lot.

When was 3550 Sw 99th St, Seattle, WA built?

3550 Sw 99th St, Seattle, WA was built in 1963, making it 63 years old. The building has 1 story.

What schools serve 3550 Sw 99th St, Seattle, WA?

3550 Sw 99th St, Seattle, WA is assigned to Arbor Heights Elementary School (elementary), rated A-; Chief Sealth International High School (high), rated C-; Denny International Middle School (middle), rated B+. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3550 Sw 99th St, Seattle, WA compare to other homes in Seattle 98126?

Among the 7,863 homes in Seattle 98126, it is worth more than 63% of them ($817,554 against a typical $738,926), its price per square foot is higher than 73% of them ($606 against a typical $513), it is bigger than 42% of them (1,350 ft² against a typical 1,470 ft²), its lot is bigger than 49% of them (0.12 ac against a typical 0.13 ac) and it is newer than 61% of them (1963 against a typical 1951). Measured against all of King County, it is worth more than 48% 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 3550 Sw 99th St, Seattle, WA?

The 2026 property tax bill for 3550 Sw 99th St, Seattle, WA was $7,456. The county assessed it at $679,000.

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