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CondominiumResidential
$307,326$1,126 / 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 Sep 24, 2026
Last sold for $1,950,000 on Feb 10, 2020

1821 T ST NW

WASHINGTON, DC 20009
Building report
1
Beds
1
Baths
273 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.
175 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.
6
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$307K
$296K low$319K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,950,000 · Feb 10, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,591 (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.$202,850 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,290
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$204,710
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$202,850

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.00
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Oyster-Adams Bilingual School
Elementary · Grades PK–8 · 0.9 mi
H
Jackson-Reed High SchoolB+
High · Grades 9–12 · 3.0 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20009These 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.117
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 100.33

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.0%
PopulationHow many people live in this area.54,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42,372 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$130,098
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,293
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

1821 T St Nw 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 91% of homes in Washington 20009
  • Among the highest price per square foot in Washington 20009
  • Among the smallest homes in Dupont Circle / Connecticut Avenue / K Street
  • Has a smaller lot than 91% of homes in District of Columbia County
  • Newer than 70% of homes in Washington 20009

What homes are worth in Washington 20009

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

This home
$233K$2.2M

This home is worth more than 9% of homes in Washington 20009.

How it measures up in Washington 20009

The dot is this home. The mark in the middle is the typical home in Washington 20009.

Estimated value$307,326
CheaperTypical $551,951Pricier

Pricier than 9% of homes nearby

Price per ft²$1126
CheaperTypical $671Pricier

Pricier than almost all homes nearby

Living area273 ft²
SmallerTypical 920 ft²Bigger

Smaller than almost all homes nearby

Lot size175 ft²
SmallerTypical 436 ft²Bigger

Bigger than 15% of homes nearby

Year built1940
OlderTypical 1915Newer

Newer than 70% of homes nearby

How 1821 T St Nw ranks against every home in each area.
MeasureThis homeDupont Circle / Connecticut Avenue / K StreetWashington 20009District of Columbia County
Estimated valuepricier than$307,32623% of homes9% of homes14% of homes
Price per ft²pricier than$112698% of homesalmost all homes98% of homes
Living areabigger than273 ft²almost no homesalmost no homesalmost no homes
Lot sizebigger than175 ft²43% of homes15% of homes9% of homes
Year builtnewer than194060% of homes70% of homes53% of homes

About 1821 T St Nw

How much is 1821 T St Nw, Washington, DC worth?

The TopHap Estimate for 1821 T St Nw, Washington, DC is $307,326 as of Sep 24, 2026. The likely range is $295,877 to $318,775. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1821 T St Nw, Washington, DC last sell?

1821 T St Nw, Washington, DC last sold on Feb 10, 2020 for $1,950,000, according to the county's recorded deed.

How big is 1821 T St Nw, Washington, DC?

1821 T St Nw, Washington, DC has 1 bedrooms, 1 bathrooms, 273 square feet of living space and a 0.00-acre lot.

When was 1821 T St Nw, Washington, DC built?

1821 T St Nw, Washington, DC was built in 1940, making it 86 years old. It is a condo/apartment home. The building has 6 stories.

What schools serve 1821 T St Nw, Washington, DC?

1821 T St Nw, Washington, DC is assigned to Oyster-Adams Bilingual School (elementary); Jackson-Reed High School (high), rated B+. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1821 T St Nw, Washington, DC compare to other homes in Washington 20009?

Among the 14,472 homes in Washington 20009, it is worth more than 9% of them ($307,326 against a typical $551,951), its price per square foot is higher than almost all of them ($1126 against a typical $671), it is bigger than almost none of them (273 ft² against a typical 920 ft²), its lot is bigger than 15% of them (175 ft² against a typical 436 ft²) and it is newer than 70% of them (1940 against a typical 1915). Measured against all of District of Columbia County, it is worth more than 14% 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 1821 T St Nw, Washington, DC?

The 2025 property tax bill for 1821 T St Nw, Washington, DC was $1,591. The county assessed it at $202,850.

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