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Single Family ResidenceResidential
$407,144$398 / 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 91How 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 $420,000 on Aug 15, 2025

1645 40TH ST SE

WASHINGTON, DC 20020
3
Beds
3 / 1
Baths
1,024 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.
1,747 ft²
Lot SizeThe size of the land the home sits on, from county records.
1947
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

$407K
$371K low$443K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$420,000 · Aug 15, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,907 (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.$431,860 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,660
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$298,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$427,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,860

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.2017
Lot (acres)The size of the land the home sits on, from county records.0.04
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
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 · 15 ft²

Transaction History(4)

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
Beers Elementary SchoolC
Elementary · Grades EE–5 · 0.5 mi
M
Sousa Middle SchoolC-
Middle · Grades 6–8 · 1.3 mi
H
Anacostia High SchoolD+
High · Grades 9–12 · 1.9 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20020These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.53,975
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,286 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,456
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,253
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

1645 40th St Se 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 71% of homes in District of Columbia County
  • Costs more per square foot than 90% of homes in Washington 20020
  • Smaller than 70% of homes in Twining / Fairlawn / Randle / Dupont Park / Fort Davis Park
  • Has a smaller lot than 73% of homes in Twining / Fairlawn / Randle / Dupont Park / Fort Davis Park
  • Newer than 68% of homes in Twining / Fairlawn / Randle / Dupont Park / Fort Davis Park

What homes are worth in Washington 20020

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

This home
$75K$741K

This home is worth more than 67% of homes in Washington 20020.

How it measures up in Washington 20020

The dot is this home. The mark in the middle is the typical home in Washington 20020.

Estimated value$407,144
CheaperTypical $348,126Pricier

Pricier than 67% of homes nearby

Price per ft²$398
CheaperTypical $281Pricier

Pricier than 90% of homes nearby

Living area1,024 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 33% of homes nearby

Lot size1,747 ft²
SmallerTypical 2,352 ft²Bigger

Bigger than 34% of homes nearby

Year built1947
OlderTypical 1945Newer

Newer than 56% of homes nearby

How 1645 40th St Se ranks against every home in each area.
MeasureThis homeTwining / Fairlawn / Randle / Dupont Park / Fort Davis ParkWashington 20020District of Columbia County
Estimated valuepricier than$407,14457% of homes67% of homes29% of homes
Price per ft²pricier than$39880% of homes90% of homes26% of homes
Living areabigger than1,024 ft²30% of homes33% of homes34% of homes
Lot sizebigger than1,747 ft²27% of homes34% of homes55% of homes
Year builtnewer than194768% of homes56% of homes60% of homes

About 1645 40th St Se

How much is 1645 40th St Se, Washington, DC worth?

The TopHap Estimate for 1645 40th St Se, Washington, DC is $407,144 as of Aug 30, 2026. The likely range is $370,815 to $443,473. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1645 40th St Se, Washington, DC last sell?

1645 40th St Se, Washington, DC last sold on Aug 15, 2025 for $420,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1645 40th St Se, Washington, DC?

1645 40th St Se, Washington, DC has 3 bedrooms, 3 bathrooms, 1,024 square feet of living space and a 0.04-acre lot.

When was 1645 40th St Se, Washington, DC built?

1645 40th St Se, Washington, DC was built in 1947, making it 79 years old. The building has 2 stories.

What schools serve 1645 40th St Se, Washington, DC?

1645 40th St Se, Washington, DC is assigned to Beers Elementary School (elementary), rated C; Sousa Middle School (middle), rated C-; Anacostia 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 1645 40th St Se, Washington, DC compare to other homes in Washington 20020?

Among the 10,817 homes in Washington 20020, it is worth more than 67% of them ($407,144 against a typical $348,126), its price per square foot is higher than 90% of them ($398 against a typical $281), it is bigger than 33% of them (1,024 ft² against a typical 1,216 ft²), its lot is bigger than 34% of them (1,747 ft² against a typical 2,352 ft²) and it is newer than 56% of them (1947 against a typical 1945). Measured against all of District of Columbia County, it is worth more than 29% 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 1645 40th St Se, Washington, DC?

The 2025 property tax bill for 1645 40th St Se, Washington, DC was $2,907. The county assessed it at $431,860.

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