Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$790,970$557 / 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 95How 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 $675,000 on Jul 19, 2019

1101 20TH AVE S

SEATTLE, WA 98144
3
Beds
1.8
Baths
1,420 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.
2,850 ft²
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$791K
$753K low$829K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · Jul 19, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,438 (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.$802,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$528,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$274,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$773,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$802,000

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
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.2020
Lot (acres)The size of the land the home sits on, from county records.0.07
HeatingThe type of heating system in the home.Electric
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 · 430 ft²Porch · 30 ft²

Transaction History(5)

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
Thurgood Marshall Elementary SchoolA+
Elementary · Grades PK–5 · 0.4 mi
M
Washington Middle SchoolB-
Middle · Grades 6–8 · 0.4 mi
H
Garfield High SchoolA-
High · Grades 9–12 · 0.9 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%

Owner Tools

Do you own this home?
Claim this home

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

1101 20th 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.

  • Worth more than 67% of homes in Atlantic
  • Costs more per square foot than 75% of homes in Atlantic
  • Smaller than 69% of homes in King County
  • Has a smaller lot than 94% of homes in King County
  • Older than 97% 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
$327K$2.7M

This home is worth more than 48% 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$790,970
CheaperTypical $799,635Pricier

Pricier than 48% of homes nearby

Price per ft²$557
CheaperTypical $516Pricier

Pricier than 64% of homes nearby

Living area1,420 ft²
SmallerTypical 1,610 ft²Bigger

Bigger than 38% of homes nearby

Lot size2,850 ft²
SmallerTypical 4,095 ft²Bigger

Bigger than 30% of homes nearby

Year built1911
OlderTypical 1960Newer

Newer than 14% of homes nearby

How 1101 20th Ave S ranks against every home in each area.
MeasureThis homeAtlanticSeattle 98144King County
Estimated valuepricier than$790,97067% of homes48% of homes45% of homes
Price per ft²pricier than$55775% of homes64% of homes62% of homes
Living areabigger than1,420 ft²51% of homes38% of homes31% of homes
Lot sizebigger than2,850 ft²52% of homes30% of homes6% of homes
Year builtnewer than191117% of homes14% of homes3% of homes

About 1101 20th Ave S

How much is 1101 20th Ave S, Seattle, WA worth?

The TopHap Estimate for 1101 20th Ave S, Seattle, WA is $790,970 as of Oct 21, 2026. The likely range is $752,973 to $828,967. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1101 20th Ave S, Seattle, WA last sell?

1101 20th Ave S, Seattle, WA last sold on Jul 19, 2019 for $675,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 1101 20th Ave S, Seattle, WA?

1101 20th Ave S, Seattle, WA has 3 bedrooms, 1.8 bathrooms, 1,420 square feet of living space and a 0.07-acre lot.

When was 1101 20th Ave S, Seattle, WA built?

1101 20th Ave S, Seattle, WA was built in 1911, making it 115 years old. It is a triplex home. The building has 1 story.

What schools serve 1101 20th Ave S, Seattle, WA?

1101 20th Ave S, Seattle, WA is assigned to Thurgood Marshall Elementary School (elementary), rated A+; Washington Middle School (middle), rated B-; 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 1101 20th Ave S, Seattle, WA compare to other homes in Seattle 98144?

Among the 9,852 homes in Seattle 98144, it is worth more than 48% of them ($790,970 against a typical $799,635), its price per square foot is higher than 64% of them ($557 against a typical $516), it is bigger than 38% of them (1,420 ft² against a typical 1,610 ft²), its lot is bigger than 30% of them (2,850 ft² against a typical 4,095 ft²) and it is newer than 14% of them (1911 against a typical 1960). Measured against all of King County, it is worth more than 45% 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 1101 20th Ave S, Seattle, WA?

The 2026 property tax bill for 1101 20th Ave S, Seattle, WA was $8,438. The county assessed it at $802,000.

More homes on 20th Ave S

Closest homes

More homes in Seattle 98144

Assigned schools

Explore the area

See this home in context

Open 1101 20th Ave S on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map