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Single Family ResidenceResidential
$704,383$704 / 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 Sep 24, 2026

20336 78TH PL SW

VASHON, WA 98070
2
Beds
2.3
Baths
1,000 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.
2,872 ft²
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$704K
$629K low$779K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,300 (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.$644,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$238,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$406,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$628,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$644,000

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.56
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
93
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.0.07
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Water View
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 220 ft²

Transaction History(3)

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
Chautauqua Elementary SchoolA-
Elementary · Grades PK–5 · 1.0 mi
M
McMurray Middle SchoolA
Middle · Grades 6–8 · 1.1 mi
H
Vashon Island High SchoolA
High · Grades 9–12 · 1.1 mi

District: Vashon Island School District

Neighborhood · ZIP 98070These 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.152
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 100.263

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.11,184
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.225 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,056
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,428
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

Owner Tools

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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

20336 78th Pl 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 less than 80% of homes in Vashon 98070
  • Costs more per square foot than 86% of homes in Vashon North
  • Smaller than 88% of homes in King County
  • Among the smallest lots in Vashon North

What homes are worth in Vashon 98070

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

This home
$420K$2M

This home is worth more than 20% of homes in Vashon 98070.

How it measures up in Vashon 98070

The dot is this home. The mark in the middle is the typical home in Vashon 98070.

Estimated value$704,383
CheaperTypical $937,309Pricier

Pricier than 20% of homes nearby

Price per ft²$704
CheaperTypical $537Pricier

Pricier than 80% of homes nearby

Living area1,000 ft²
SmallerTypical 1,780 ft²Bigger

Bigger than 13% of homes nearby

Lot size2,872 ft²
SmallerTypical 1.01 acBigger

Smaller than almost all homes nearby

Year built1973
OlderTypical 1972Newer

Newer than 52% of homes nearby

How 20336 78th Pl Sw ranks against every home in each area.
MeasureThis homeVashon NorthVashon 98070King County
Estimated valuepricier than$704,38330% of homes20% of homes37% of homes
Price per ft²pricier than$70486% of homes80% of homes85% of homes
Living areabigger than1,000 ft²15% of homes13% of homes12% of homes
Lot sizebigger than2,872 ft²almost no homesalmost no homes6% of homes
Year builtnewer than197358% of homes52% of homes43% of homes

About 20336 78th Pl Sw

How much is 20336 78th Pl Sw, Vashon, WA worth?

The TopHap Estimate for 20336 78th Pl Sw, Vashon, WA is $704,383 as of Sep 24, 2026. The likely range is $629,388 to $779,378. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20336 78th Pl Sw, Vashon, WA last sell?

20336 78th Pl Sw, Vashon, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20336 78th Pl Sw, Vashon, WA?

20336 78th Pl Sw, Vashon, WA has 2 bedrooms, 2.3 bathrooms, 1,000 square feet of living space and a 0.07-acre lot.

When was 20336 78th Pl Sw, Vashon, WA built?

20336 78th Pl Sw, Vashon, WA was built in 1973, making it 53 years old. The building has 2 stories.

What schools serve 20336 78th Pl Sw, Vashon, WA?

20336 78th Pl Sw, Vashon, WA is assigned to Chautauqua Elementary School (elementary), rated A-; McMurray Middle School (middle), rated A; Vashon Island High School (high), rated A. All sit in Vashon Island School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20336 78th Pl Sw, Vashon, WA compare to other homes in Vashon 98070?

Among the 5,181 homes in Vashon 98070, it is worth more than 20% of them ($704,383 against a typical $937,309), its price per square foot is higher than 80% of them ($704 against a typical $537), it is bigger than 13% of them (1,000 ft² against a typical 1,780 ft²), its lot is bigger than almost none of them (2,872 ft² against a typical 1.01 ac) and it is newer than 52% of them (1973 against a typical 1972). Measured against all of King County, it is worth more than 37% 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 20336 78th Pl Sw, Vashon, WA?

The 2026 property tax bill for 20336 78th Pl Sw, Vashon, WA was $7,300. The county assessed it at $644,000.

More homes on 78th Pl Sw

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