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Single Family ResidenceResidential
$693,954$516 / 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 Sep 24, 2026
Last sold for $556,000 on Jul 8, 2019

3100 O ST SE

WASHINGTON, DC 20020
3
Beds
2
Baths
1,344 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
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

$694K
$649K low$739K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$556,000 · Jul 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,536 (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.$625,670 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$205,410
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$420,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$625,670
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$625,670

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.2019
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 233 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
Randle Highlands Elementary SchoolC-
Elementary · Grades EE–5 · 0.2 mi
M
Sousa Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
H
Anacostia High SchoolD+
High · Grades 9–12 · 1.1 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

3100 O 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 more than 97% of homes in Washington 20020
  • Among the highest price per square foot in Washington 20020
  • Has a bigger lot than 96% of homes in Twining / Fairlawn / Randle / Dupont Park / Fort Davis Park
  • Newer than 71% 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
$74K$740K

This home is worth more than 97% 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$693,954
CheaperTypical $335,415Pricier

Pricier than 97% of homes nearby

Price per ft²$516
CheaperTypical $269Pricier

Pricier than almost all homes nearby

Living area1,344 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.2 ac
SmallerTypical 2,352 ft²Bigger

Bigger than 92% of homes nearby

Year built1950
OlderTypical 1946Newer

Newer than 60% of homes nearby

How 3100 O 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$693,95495% of homes97% of homes62% of homes
Price per ft²pricier than$51696% of homesalmost all homes47% of homes
Living areabigger than1,344 ft²64% of homes60% of homes55% of homes
Lot sizebigger than0.2 ac96% of homes92% of homes96% of homes
Year builtnewer than195071% of homes60% of homes63% of homes

About 3100 O St Se

How much is 3100 O St Se, Washington, DC worth?

The TopHap Estimate for 3100 O St Se, Washington, DC is $693,954 as of Sep 24, 2026. The likely range is $648,650 to $739,258. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3100 O St Se, Washington, DC last sell?

3100 O St Se, Washington, DC last sold on Jul 8, 2019 for $556,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3100 O St Se, Washington, DC?

3100 O St Se, Washington, DC has 3 bedrooms, 2 bathrooms, 1,344 square feet of living space and a 0.20-acre lot.

When was 3100 O St Se, Washington, DC built?

3100 O St Se, Washington, DC was built in 1950, making it 76 years old. The building has 2 stories.

What schools serve 3100 O St Se, Washington, DC?

3100 O St Se, Washington, DC is assigned to Randle Highlands 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 3100 O St Se, Washington, DC compare to other homes in Washington 20020?

Among the 10,820 homes in Washington 20020, it is worth more than 97% of them ($693,954 against a typical $335,415), its price per square foot is higher than almost all of them ($516 against a typical $269), it is bigger than 60% of them (1,344 ft² against a typical 1,216 ft²), its lot is bigger than 92% of them (0.2 ac against a typical 2,352 ft²) and it is newer than 60% of them (1950 against a typical 1946). Measured against all of District of Columbia County, it is worth more than 62% 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 3100 O St Se, Washington, DC?

The 2025 property tax bill for 3100 O St Se, Washington, DC was $1,536. The county assessed it at $625,670.

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