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Row HouseResidential
$940,733$691 / 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 93How 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 $852,500 on Jul 19, 2019

421 K ST NE

WASHINGTON, DC 20002
3
Beds
3 / 1
Baths
1,362 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.
1,125 ft²
Lot SizeThe size of the land the home sits on, from county records.
1909
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$941K
$877K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$852,500 · Jul 19, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,361 (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.$983,660 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$506,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$477,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$983,660
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$983,660

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Row House
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.2013
Lot (acres)The size of the land the home sits on, from county records.0.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

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
J. O. Wilson Elementary SchoolB
Elementary · Grades EE–5 · 0.2 mi
M
Stuart Hobson Middle SchoolA-
Middle · Grades 6–8 · 0.4 mi
H
Eastern High SchoolC-
High · Grades 9–12 · 1.4 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

421 K St Ne 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 81% of homes in Washington 20002
  • Costs more per square foot than 79% of homes in Washington 20002
  • Older than 86% of homes in District of Columbia County

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
$254K$1.6M

This home is worth more than 81% 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$940,733
CheaperTypical $643,473Pricier

Pricier than 81% of homes nearby

Price per ft²$691
CheaperTypical $554Pricier

Pricier than 79% of homes nearby

Living area1,362 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 58% of homes nearby

Lot size1,125 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 44% of homes nearby

Year built1909
OlderTypical 1925Newer

Newer than 24% of homes nearby

How 421 K St Ne ranks against every home in each area.
MeasureThis homeNoMa / Stanton Park / Kingman ParkWashington 20002District of Columbia County
Estimated valuepricier than$940,73372% of homes81% of homes76% of homes
Price per ft²pricier than$69167% of homes79% of homes77% of homes
Living areabigger than1,362 ft²58% of homes58% of homes56% of homes
Lot sizebigger than1,125 ft²48% of homes44% of homes38% of homes
Year builtnewer than190929% of homes24% of homes14% of homes

About 421 K St Ne

How much is 421 K St Ne, Washington, DC worth?

The TopHap Estimate for 421 K St Ne, Washington, DC is $940,733 as of Oct 21, 2026. The likely range is $877,420 to $1,004,046. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 K St Ne, Washington, DC last sell?

421 K St Ne, Washington, DC last sold on Jul 19, 2019 for $852,500, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 421 K St Ne, Washington, DC?

421 K St Ne, Washington, DC has 3 bedrooms, 3 bathrooms, 1,362 square feet of living space and a 0.03-acre lot.

When was 421 K St Ne, Washington, DC built?

421 K St Ne, Washington, DC was built in 1909, making it 117 years old. The building has 2 stories.

What schools serve 421 K St Ne, Washington, DC?

421 K St Ne, Washington, DC is assigned to J. O. Wilson Elementary School (elementary), rated B; Stuart Hobson Middle School (middle), rated A-; Eastern High School (high), rated C-. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 K St Ne, Washington, DC compare to other homes in Washington 20002?

Among the 20,252 homes in Washington 20002, it is worth more than 81% of them ($940,733 against a typical $643,473), its price per square foot is higher than 79% of them ($691 against a typical $554), it is bigger than 58% of them (1,362 ft² against a typical 1,260 ft²), its lot is bigger than 44% of them (1,125 ft² against a typical 1,220 ft²) and it is newer than 24% of them (1909 against a typical 1925). Measured against all of District of Columbia County, it is worth more than 76% 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 421 K St Ne, Washington, DC?

The 2025 property tax bill for 421 K St Ne, Washington, DC was $8,361. The county assessed it at $983,660.

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