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Single Family ResidenceResidential
$1,200,000$524 / 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 97How 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 $1,150,000 on Oct 28, 2026

3905 21ST ST NE

WASHINGTON, DC 20018
5
Beds
3.5
Baths
2,288 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.2M 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.$1,150,000 · Oct 28, 2026

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,104,730 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$360,330
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$744,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,086,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,104,730

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.2018
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Porch · 90 ft²

Transaction History(3)

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
Burroughs Elementary SchoolA-
Elementary · Grades EE–5 · 0.3 mi
M
Brookland Middle SchoolC
Middle · Grades 6–8 · 0.9 mi
H
Dunbar High SchoolD
High · Grades 9–12 · 2.9 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20018These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.19,943
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,795 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,368
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,608
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

3905 21st 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.

  • Among the most valuable homes in Woodridge / Fort Lincoln / Gateway
  • Costs more per square foot than 92% of homes in Woodridge / Fort Lincoln / Gateway
  • Bigger than 95% of homes in Woodridge / Fort Lincoln / Gateway
  • Has a bigger lot than 86% of homes in District of Columbia County
  • Older than 83% of homes in Woodridge / Fort Lincoln / Gateway

What homes are worth in Washington 20018

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

This home
$264K$1M

This home is worth more than almost all homes in Washington 20018.

How it measures up in Washington 20018

The dot is this home. The mark in the middle is the typical home in Washington 20018.

Estimated value$1,200,000
CheaperTypical $552,507Pricier

Pricier than almost all homes nearby

Price per ft²$524
CheaperTypical $385Pricier

Pricier than 88% of homes nearby

Living area2,288 ft²
SmallerTypical 1,444 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.11 ac
SmallerTypical 3,398 ft²Bigger

Bigger than 70% of homes nearby

Year built1926
OlderTypical 1940Newer

Newer than 29% of homes nearby

How 3905 21st St Ne ranks against every home in each area.
MeasureThis homeWoodridge / Fort Lincoln / GatewayWashington 20018District of Columbia County
Estimated valuepricier than$1,200,000almost all homesalmost all homes85% of homes
Price per ft²pricier than$52492% of homes88% of homes49% of homes
Living areabigger than2,288 ft²95% of homes92% of homes86% of homes
Lot sizebigger than0.11 ac71% of homes70% of homes86% of homes
Year builtnewer than192617% of homes29% of homes35% of homes

About 3905 21st St Ne

How much is 3905 21st St Ne, Washington, DC worth?

The TopHap Estimate for 3905 21st St Ne, Washington, DC is $1,200,000 as of Oct 21, 2026. The likely range is $1,164,695 to $1,235,305. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3905 21st St Ne, Washington, DC last sell?

3905 21st St Ne, Washington, DC last sold on Oct 28, 2026 for $1,150,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 3905 21st St Ne, Washington, DC?

3905 21st St Ne, Washington, DC has 5 bedrooms, 3.5 bathrooms, 2,288 square feet of living space and a 0.11-acre lot.

When was 3905 21st St Ne, Washington, DC built?

3905 21st St Ne, Washington, DC was built in 1926, making it 100 years old. The building has 1 story.

What schools serve 3905 21st St Ne, Washington, DC?

3905 21st St Ne, Washington, DC is assigned to Burroughs Elementary School (elementary), rated A-; Brookland Middle School (middle), rated C; Dunbar High School (high), rated D. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3905 21st St Ne, Washington, DC compare to other homes in Washington 20018?

Among the 6,161 homes in Washington 20018, it is worth more than almost all of them ($1,200,000 against a typical $552,507), its price per square foot is higher than 88% of them ($524 against a typical $385), it is bigger than 92% of them (2,288 ft² against a typical 1,444 ft²), its lot is bigger than 70% of them (0.11 ac against a typical 3,398 ft²) and it is newer than 29% of them (1926 against a typical 1940). Measured against all of District of Columbia County, it is worth more than 85% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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