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CondominiumResidential
$474,999$451 / 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 Aug 30, 2026
Last sold for $503,500 on Apr 25, 2019

400 21ST ST NE APT 1

WASHINGTON, DC 20002
Building report
2
Beds
2
Baths
1,053 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.
867 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$475K
$423K low$527K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$503,500 · Apr 25, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,417 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$535,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$374,710
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$550,390
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$535,300

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.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyDistrict Of Columbia
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.2015
Lot (acres)The size of the land the home sits on, from county records.0.02
HeatingThe type of heating system in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Open
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Eliot-Hine Middle SchoolC+
Middle · Grades 6–8 · 0.3 mi
H
Eastern High SchoolD
High · Grades 9–12 · 0.4 mi
E
Miner Elementary SchoolF
Elementary · Grades EE–5 · 0.4 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20002These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.87%
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.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.74,190
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,541 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,876
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,815
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

400 21st St Ne Apt 1 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 84% of homes in NoMa / Stanton Park / Kingman Park
  • Costs less per square foot than 91% of homes in NoMa / Stanton Park / Kingman Park
  • Smaller than 68% of homes in Washington 20002
  • Has a smaller lot than 70% of homes in Washington 20002
  • Newer than 72% of homes in Washington 20002

What homes are worth in Washington 20002

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

This home
$256K$1.6M

This home is worth more than 25% of homes in Washington 20002.

How it measures up in Washington 20002

The dot is this home. The mark in the middle is the typical home in Washington 20002.

Estimated value$474,999
CheaperTypical $638,724Pricier

Pricier than 25% of homes nearby

Price per ft²$451
CheaperTypical $553Pricier

Pricier than 23% of homes nearby

Living area1,053 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 32% of homes nearby

Lot size867 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 30% of homes nearby

Year built1940
OlderTypical 1925Newer

Newer than 72% of homes nearby

How 400 21st St Ne Apt 1 ranks against every home in each area.
MeasureThis homeNoMa / Stanton Park / Kingman ParkWashington 20002District of Columbia County
Estimated valuepricier than$474,99916% of homes25% of homes39% of homes
Price per ft²pricier than$4519% of homes23% of homes36% of homes
Living areabigger than1,053 ft²33% of homes32% of homes35% of homes
Lot sizebigger than867 ft²32% of homes30% of homes31% of homes
Year builtnewer than194071% of homes72% of homes52% of homes

About 400 21st St Ne Apt 1

How much is 400 21st St Ne Apt 1, Washington, DC worth?

The TopHap Estimate for 400 21st St Ne Apt 1, Washington, DC is $474,999 as of Aug 30, 2026. The likely range is $423,433 to $526,565. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 21st St Ne Apt 1, Washington, DC last sell?

400 21st St Ne Apt 1, Washington, DC last sold on Apr 25, 2019 for $503,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 400 21st St Ne Apt 1, Washington, DC?

400 21st St Ne Apt 1, Washington, DC has 2 bedrooms, 2 bathrooms, 1,053 square feet of living space and a 0.02-acre lot.

When was 400 21st St Ne Apt 1, Washington, DC built?

400 21st St Ne Apt 1, Washington, DC was built in 1940, making it 86 years old.

What schools serve 400 21st St Ne Apt 1, Washington, DC?

400 21st St Ne Apt 1, Washington, DC is assigned to Eliot-Hine Middle School (middle), rated C+; Eastern High School (high), rated D; Miner Elementary School (elementary), rated F. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 21st St Ne Apt 1, Washington, DC compare to other homes in Washington 20002?

Among the 20,241 homes in Washington 20002, it is worth more than 25% of them ($474,999 against a typical $638,724), its price per square foot is higher than 23% of them ($451 against a typical $553), it is bigger than 32% of them (1,053 ft² against a typical 1,260 ft²), its lot is bigger than 30% of them (867 ft² against a typical 1,220 ft²) and it is newer than 72% of them (1940 against a typical 1925). Measured against all of District of Columbia County, it is worth more than 39% 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 400 21st St Ne Apt 1, Washington, DC?

The 2025 property tax bill for 400 21st St Ne Apt 1, Washington, DC was $4,417. The county assessed it at $535,300.

More homes on 21st St Ne Apt 1

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Assigned schools

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