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Single Family ResidenceResidential
$822,839$455 / 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 96How 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
Last sold for $35,000 on Nov 13, 1986

502 18TH AVE S

SEATTLE, WA 98144
3
Beds
2
Baths
1,810 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.
3,430 ft²
Lot SizeThe size of the land the home sits on, from county records.
1943
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$823K
$787K low$859K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Nov 13, 1986

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,854 (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.$945,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$597,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$348,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$869,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$945,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Triplex
CountyKING
Lot (acres)The size of the land the home sits on, from county records.0.08
HeatingThe type of heating system in the home.Electric
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.Deck · 20 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Washington Middle SchoolB-
Middle · Grades 6–8 · 0.2 mi
E
Bailey Gatzert Elementary SchoolD+
Elementary · Grades PK–5 · 0.4 mi
H
Garfield High SchoolA-
High · Grades 9–12 · 0.6 mi

District: Seattle School District

Neighborhood · ZIP 98144These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.310

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.30,242
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,774 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,497
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,101
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

502 18th Ave S 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 less per square foot than 86% of homes in Central District
  • Bigger than 70% of homes in Central District
  • Has a smaller lot than 92% of homes in King County
  • Older than 85% of homes in King County

What homes are worth in Seattle 98144

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

This home
$317K$2.5M

This home is worth more than 54% of homes in Seattle 98144.

How it measures up in Seattle 98144

The dot is this home. The mark in the middle is the typical home in Seattle 98144.

Estimated value$822,839
CheaperTypical $799,950Pricier

Pricier than 54% of homes nearby

Price per ft²$455
CheaperTypical $516Pricier

Pricier than 26% of homes nearby

Living area1,810 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 60% of homes nearby

Lot size3,430 ft²
SmallerTypical 4,095 ft²Bigger

Bigger than 36% of homes nearby

Year built1943
OlderTypical 1961Newer

Newer than 41% of homes nearby

How 502 18th Ave S ranks against every home in each area.
MeasureThis homeCentral DistrictSeattle 98144King County
Estimated valuepricier than$822,83956% of homes54% of homes49% of homes
Price per ft²pricier than$45514% of homes26% of homes40% of homes
Living areabigger than1,810 ft²70% of homes60% of homes48% of homes
Lot sizebigger than3,430 ft²47% of homes36% of homes8% of homes
Year builtnewer than194341% of homes41% of homes15% of homes

About 502 18th Ave S

How much is 502 18th Ave S, Seattle, WA worth?

The TopHap Estimate for 502 18th Ave S, Seattle, WA is $822,839 as of Oct 21, 2026. The likely range is $786,852 to $858,826. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 18th Ave S, Seattle, WA last sell?

502 18th Ave S, Seattle, WA last sold on Nov 13, 1986 for $35,000, according to the county's recorded deed.

How big is 502 18th Ave S, Seattle, WA?

502 18th Ave S, Seattle, WA has 3 bedrooms, 2 bathrooms, 1,810 square feet of living space and a 0.08-acre lot.

When was 502 18th Ave S, Seattle, WA built?

502 18th Ave S, Seattle, WA was built in 1943, making it 83 years old. It is a triplex home. The building has 2 stories.

What schools serve 502 18th Ave S, Seattle, WA?

502 18th Ave S, Seattle, WA is assigned to Washington Middle School (middle), rated B-; Bailey Gatzert Elementary School (elementary), rated D+; Garfield 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 502 18th Ave S, Seattle, WA compare to other homes in Seattle 98144?

Among the 9,852 homes in Seattle 98144, it is worth more than 54% of them ($822,839 against a typical $799,950), its price per square foot is higher than 26% of them ($455 against a typical $516), it is bigger than 60% of them (1,810 ft² against a typical 1,620 ft²), its lot is bigger than 36% of them (3,430 ft² against a typical 4,095 ft²) and it is newer than 41% of them (1943 against a typical 1961). Measured against all of King County, it is worth more than 49% 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 502 18th Ave S, Seattle, WA?

The 2026 property tax bill for 502 18th Ave S, Seattle, WA was $9,854. The county assessed it at $945,000.

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