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CondominiumResidential
$478,145$651 / 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 94How 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 $485,000 on Dec 3, 2025

1801 T ST NW # 10

WASHINGTON, DC 20009
Building report
1
Beds
1
Baths
734 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.
279 ft²
Lot SizeThe size of the land the home sits on, from county records.
1981
Year BuiltThe year the home was originally built, according to county records.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$478K
$449K low$508K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Dec 3, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,852 (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.$441,030 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$132,310
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$308,720
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$441,030
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$441,030

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyDistrict Of Columbia
Lot (acres)The size of the land the home sits on, from county records.0.01
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
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

1801 T St Nw # 10 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.

  • Costs more per square foot than 70% of homes in District of Columbia County
  • Smaller than 84% of homes in District of Columbia County
  • Has a smaller lot than 86% of homes in District of Columbia County
  • Newer than 90% of homes in Dupont Circle / Connecticut Avenue / K Street

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
$231K$2.2M

This home is worth more than 39% 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$478,145
CheaperTypical $552,466Pricier

Pricier than 39% of homes nearby

Price per ft²$651
CheaperTypical $671Pricier

Pricier than 43% of homes nearby

Living area734 ft²
SmallerTypical 920 ft²Bigger

Bigger than 34% of homes nearby

Lot size279 ft²
SmallerTypical 436 ft²Bigger

Bigger than 31% of homes nearby

Year built1981
OlderTypical 1915Newer

Newer than 82% of homes nearby

How 1801 T St Nw # 10 ranks against every home in each area.
MeasureThis homeDupont Circle / Connecticut Avenue / K StreetWashington 20009District of Columbia County
Estimated valuepricier than$478,14559% of homes39% of homes39% of homes
Price per ft²pricier than$65147% of homes43% of homes70% of homes
Living areabigger than734 ft²50% of homes34% of homes16% of homes
Lot sizebigger than279 ft²58% of homes31% of homes14% of homes
Year builtnewer than198190% of homes82% of homes79% of homes

About 1801 T St Nw # 10

How much is 1801 T St Nw # 10, Washington, DC worth?

The TopHap Estimate for 1801 T St Nw # 10, Washington, DC is $478,145 as of Sep 24, 2026. The likely range is $448,766 to $507,524. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1801 T St Nw # 10, Washington, DC last sell?

1801 T St Nw # 10, Washington, DC last sold on Dec 3, 2025 for $485,000, according to the county's recorded deed.

How big is 1801 T St Nw # 10, Washington, DC?

1801 T St Nw # 10, Washington, DC has 1 bedrooms, 1 bathrooms, 734 square feet of living space and a 0.01-acre lot.

When was 1801 T St Nw # 10, Washington, DC built?

1801 T St Nw # 10, Washington, DC was built in 1981, making it 45 years old.

What schools serve 1801 T St Nw # 10, Washington, DC?

1801 T St Nw # 10, 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 1801 T St Nw # 10, Washington, DC compare to other homes in Washington 20009?

Among the 14,471 homes in Washington 20009, it is worth more than 39% of them ($478,145 against a typical $552,466), its price per square foot is higher than 43% of them ($651 against a typical $671), it is bigger than 34% of them (734 ft² against a typical 920 ft²), its lot is bigger than 31% of them (279 ft² against a typical 436 ft²) and it is newer than 82% of them (1981 against a typical 1915). 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 1801 T St Nw # 10, Washington, DC?

The 2025 property tax bill for 1801 T St Nw # 10, Washington, DC was $2,852. The county assessed it at $441,030.

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