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Single Family ResidenceResidential
$1,056,121$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 84How 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 $305,600 on May 2, 2008

5223 18TH AVE SW

SEATTLE, WA 98106
4
Beds
3.3
Baths
3,060 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1927
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$890K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,600 · May 2, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,940 (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.$819,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$327,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$492,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$826,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$819,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1991
Lot (acres)The size of the land the home sits on, from county records.0.15
HeatingThe type of heating system in the home.Heat Pump
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.Deck · 120 ft²Porch · 70 ft²

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.

H
West Seattle High SchoolB+
High · Grades 9–12 · 2.0 mi
M
Madison Middle SchoolA
Middle · Grades 6–8 · 2.0 mi
E
Lafayette Elementary SchoolA-
Elementary · Grades PK–5 · 2.2 mi

District: Seattle School District

Neighborhood · ZIP 98106These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.316

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10.0%
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.27,079
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,800 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,297
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,049
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%

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

5223 18th 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 95% of homes in Seattle 98106
  • Costs less per square foot than 98% of homes in Riverview
  • Bigger than 96% of homes in Seattle 98106
  • Has a smaller lot than 71% of homes in King County
  • Older than 91% of homes in King County

What homes are worth in Seattle 98106

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

This home
$368K$1.2M

This home is worth more than 95% of homes in Seattle 98106.

How it measures up in Seattle 98106

The dot is this home. The mark in the middle is the typical home in Seattle 98106.

Estimated value$1,056,121
CheaperTypical $641,644Pricier

Pricier than 95% of homes nearby

Price per ft²$345
CheaperTypical $449Pricier

Pricier than 9% of homes nearby

Living area3,060 ft²
SmallerTypical 1,490 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.15 ac
SmallerTypical 0.13 acBigger

Bigger than 58% of homes nearby

Year built1927
OlderTypical 1967Newer

Newer than 15% of homes nearby

How 5223 18th Ave Sw ranks against every home in each area.
MeasureThis homeRiverviewSeattle 98106King County
Estimated valuepricier than$1,056,12189% of homes95% of homes64% of homes
Price per ft²pricier than$3452% of homes9% of homes16% of homes
Living areabigger than3,060 ft²95% of homes96% of homes85% of homes
Lot sizebigger than0.15 ac39% of homes58% of homes29% of homes
Year builtnewer than192710% of homes15% of homes9% of homes

About 5223 18th Ave Sw

How much is 5223 18th Ave Sw, Seattle, WA worth?

The TopHap Estimate for 5223 18th Ave Sw, Seattle, WA is $1,056,121 as of Sep 24, 2026. The likely range is $890,345 to $1,221,897. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5223 18th Ave Sw, Seattle, WA last sell?

5223 18th Ave Sw, Seattle, WA last sold on May 2, 2008 for $305,600, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 5223 18th Ave Sw, Seattle, WA?

5223 18th Ave Sw, Seattle, WA has 4 bedrooms, 3.3 bathrooms, 3,060 square feet of living space and a 0.15-acre lot.

When was 5223 18th Ave Sw, Seattle, WA built?

5223 18th Ave Sw, Seattle, WA was built in 1927, making it 99 years old. The building has 2 stories.

What schools serve 5223 18th Ave Sw, Seattle, WA?

5223 18th Ave Sw, Seattle, WA is assigned to West Seattle High School (high), rated B+; Madison Middle School (middle), rated A; Lafayette Elementary School (elementary), rated A-. All sit in Seattle School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 5223 18th Ave Sw, Seattle, WA compare to other homes in Seattle 98106?

Among the 8,085 homes in Seattle 98106, it is worth more than 95% of them ($1,056,121 against a typical $641,644), its price per square foot is higher than 9% of them ($345 against a typical $449), it is bigger than 96% of them (3,060 ft² against a typical 1,490 ft²), its lot is bigger than 58% of them (0.15 ac against a typical 0.13 ac) and it is newer than 15% of them (1927 against a typical 1967). Measured against all of King County, it is worth more than 64% 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 5223 18th Ave Sw, Seattle, WA?

The 2026 property tax bill for 5223 18th Ave Sw, Seattle, WA was $8,940. The county assessed it at $819,000.

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