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Single Family ResidenceResidential
$586,573$345 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $625,000 on May 23, 2023

90 ALDER CT

MILTON, WA 98354
3
Beds
2.5
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.
1.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$587K
$549K low$624K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$625,000 · May 23, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,767 (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.$543,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$151,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$392,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$527,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$543,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
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.Elevator

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.

E
Discovery Primary School
Elementary · Grades KG–2 · 0.7 mi
M
Surprise Lake Middle SchoolC
Middle · Grades 6–7 · 0.8 mi
H
Fife High SchoolB+
High · Grades 10–12 · 2.3 mi

District: Fife Public Schools

Neighborhood · ZIP 98354These 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.100
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 100.247

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.8,086
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,068 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,711
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,691
Average tempThe average temperature here across a full year.52°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.46%

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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

90 Alder Ct 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 less per square foot than 81% of homes in King County
  • Has a bigger lot than 95% of homes in Milton 98354
  • Newer than 66% of homes in King County

What homes are worth in Milton 98354

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

This home
$337K$1.1M

This home is worth more than 47% of homes in Milton 98354.

How it measures up in Milton 98354

The dot is this home. The mark in the middle is the typical home in Milton 98354.

Estimated value$586,573
CheaperTypical $597,395Pricier

Pricier than 47% of homes nearby

Price per ft²$345
CheaperTypical $348Pricier

Pricier than 48% of homes nearby

Living area1,700 ft²
SmallerTypical 1,716 ft²Bigger

Bigger than 49% of homes nearby

Lot size1.1 ac
SmallerTypical 0.25 acBigger

Bigger than 95% of homes nearby

Year built1990
OlderTypical 1982Newer

Newer than 60% of homes nearby

How 90 Alder Ct ranks against every home in each area.
MeasureThis homeMilton 98354King County
Estimated valuepricier than$586,57347% of homes25% of homes
Price per ft²pricier than$34548% of homes19% of homes
Living areabigger than1,700 ft²49% of homes43% of homes
Lot sizebigger than1.1 ac95% of homes86% of homes
Year builtnewer than199060% of homes66% of homes

About 90 Alder Ct

How much is 90 Alder Ct, Milton, WA worth?

The TopHap Estimate for 90 Alder Ct, Milton, WA is $586,573 as of Aug 30, 2026. The likely range is $549,327 to $623,819. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 90 Alder Ct, Milton, WA last sell?

90 Alder Ct, Milton, WA last sold on May 23, 2023 for $625,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 90 Alder Ct, Milton, WA?

90 Alder Ct, Milton, WA has 3 bedrooms, 2.5 bathrooms and 1,700 square feet of living space.

When was 90 Alder Ct, Milton, WA built?

90 Alder Ct, Milton, WA was built in 1990, making it 36 years old.

What schools serve 90 Alder Ct, Milton, WA?

90 Alder Ct, Milton, WA is assigned to Discovery Primary School (elementary); Surprise Lake Middle School (middle), rated C; Fife High School (high), rated B+. All sit in Fife Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 90 Alder Ct, Milton, WA compare to other homes in Milton 98354?

Among the 2,175 homes in Milton 98354, it is worth more than 47% of them ($586,573 against a typical $597,395), its price per square foot is higher than 48% of them ($345 against a typical $348), it is bigger than 49% of them (1,700 ft² against a typical 1,716 ft²), its lot is bigger than 95% of them (1.1 ac against a typical 0.25 ac) and it is newer than 60% of them (1990 against a typical 1982). 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 90 Alder Ct, Milton, WA?

The 2026 property tax bill for 90 Alder Ct, Milton, WA was $5,767. The county assessed it at $543,000.

More homes on Alder Ct

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Assigned schools

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