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Single Family ResidenceResidential
$1,244,947$488 / 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 Oct 21, 2026

4122 40TH AVE SW

SEATTLE, WA 98116
3
Beds
1.8
Baths
2,550 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,562 (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.$1,157,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$618,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$539,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,102,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,157,000

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.0.14
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(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.

M
Madison Middle SchoolA
Middle · Grades 6–8 · 0.6 mi
E
Genesee Hill Elementary SchoolA+
Elementary · Grades KG–5 · 0.7 mi
H
West Seattle High SchoolA-
High · Grades 9–12 · 0.8 mi

District: Seattle School District

Neighborhood · ZIP 98116These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.313

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.26,959
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,310 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,566
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,382
Average tempThe average temperature here across a full year.52°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

4122 40th Ave Sw 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 more than 91% of homes in Genesee
  • Costs less per square foot than 84% of homes in Seattle 98116
  • Bigger than 88% of homes in Genesee
  • Has a bigger lot than 76% of homes in Genesee
  • Newer than 66% of homes in Genesee

What homes are worth in Seattle 98116

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

This home
$322K$2.3M

This home is worth more than 76% of homes in Seattle 98116.

How it measures up in Seattle 98116

The dot is this home. The mark in the middle is the typical home in Seattle 98116.

Estimated value$1,244,947
CheaperTypical $942,410Pricier

Pricier than 76% of homes nearby

Price per ft²$488
CheaperTypical $577Pricier

Pricier than 16% of homes nearby

Living area2,550 ft²
SmallerTypical 1,670 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.14 ac
SmallerTypical 0.13 acBigger

Bigger than 59% of homes nearby

Year built1969
OlderTypical 1952Newer

Newer than 62% of homes nearby

How 4122 40th Ave Sw ranks against every home in each area.
MeasureThis homeGeneseeSeattle 98116King County
Estimated valuepricier than$1,244,94791% of homes76% of homes74% of homes
Price per ft²pricier than$48824% of homes16% of homes47% of homes
Living areabigger than2,550 ft²88% of homes81% of homes75% of homes
Lot sizebigger than0.14 ac76% of homes59% of homes26% of homes
Year builtnewer than196966% of homes62% of homes41% of homes

About 4122 40th Ave Sw

How much is 4122 40th Ave Sw, Seattle, WA worth?

The TopHap Estimate for 4122 40th Ave Sw, Seattle, WA is $1,244,947 as of Oct 21, 2026. The likely range is $1,113,858 to $1,376,036. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4122 40th Ave Sw, Seattle, WA last sell?

4122 40th Ave Sw, Seattle, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4122 40th Ave Sw, Seattle, WA?

4122 40th Ave Sw, Seattle, WA has 3 bedrooms, 1.8 bathrooms, 2,550 square feet of living space and a 0.14-acre lot.

When was 4122 40th Ave Sw, Seattle, WA built?

4122 40th Ave Sw, Seattle, WA was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 4122 40th Ave Sw, Seattle, WA?

4122 40th Ave Sw, Seattle, WA is assigned to Madison Middle School (middle), rated A; Genesee Hill Elementary School (elementary), rated A+; West Seattle High School (high), rated A-. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4122 40th Ave Sw, Seattle, WA compare to other homes in Seattle 98116?

Among the 9,482 homes in Seattle 98116, it is worth more than 76% of them ($1,244,947 against a typical $942,410), its price per square foot is higher than 16% of them ($488 against a typical $577), it is bigger than 81% of them (2,550 ft² against a typical 1,670 ft²), its lot is bigger than 59% of them (0.14 ac against a typical 0.13 ac) and it is newer than 62% of them (1969 against a typical 1952). Measured against all of King County, it is worth more than 74% 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 4122 40th Ave Sw, Seattle, WA?

The 2026 property tax bill for 4122 40th Ave Sw, Seattle, WA was $1,562. The county assessed it at $1,157,000.

More homes on 40th Ave Sw

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