Skip to content
Skip to content
TopHapOpen in map
Multi-Family Dwellings (Generic, Any Combination)Residential
Last sold for $335,000 on Mar 9, 1998

3140 O ST NW

WASHINGTON, DC 20007
4
Beds
2
Baths
2,366 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.
1,496 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$335,000 · Mar 9, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,349 (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.$1,777,960 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$826,380
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$951,580
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,731,370
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,777,960

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Multi-Family Dwellings (Generic, Any Combination)
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.2014
Lot (acres)The size of the land the home sits on, from county records.0.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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 · 95 ft²

Transaction History(2)

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
Hyde-Addison Elementary SchoolA-
Elementary · Grades EE–5 · 0.1 mi
M
Hardy Middle SchoolA
Middle · Grades 6–8 · 0.6 mi
H
MacArthur High SchoolC+
High · Grades 9–12 · 1.8 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20007These 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.63
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 100.32

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
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.31,079
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,506 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$160,193
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$224,111
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%

Owner Tools

Do you own this home?
Claim this home

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

3140 O 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.

  • Bigger than 88% of homes in District of Columbia County
  • Older than 91% of homes in District of Columbia County

How it measures up in Washington 20007

The dot is this home. The mark in the middle is the typical home in Washington 20007.

Living area2,366 ft²
SmallerTypical 1,462 ft²Bigger

Bigger than 76% of homes nearby

Lot size1,496 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 48% of homes nearby

Year built1900
OlderTypical 1938Newer

Newer than 22% of homes nearby

How 3140 O St Nw ranks against every home in each area.
MeasureThis homeGeorgetownWashington 20007District of Columbia County
Living areabigger than2,366 ft²74% of homes76% of homes88% of homes
Lot sizebigger than1,496 ft²57% of homes48% of homes48% of homes
Year builtnewer than190054% of homes22% of homes9% of homes

About 3140 O St Nw

When did 3140 O St Nw, Washington, DC last sell?

3140 O St Nw, Washington, DC last sold on Mar 9, 1998 for $335,000, according to the county's recorded deed.

How big is 3140 O St Nw, Washington, DC?

3140 O St Nw, Washington, DC has 4 bedrooms, 2 bathrooms, 2,366 square feet of living space and a 0.03-acre lot.

When was 3140 O St Nw, Washington, DC built?

3140 O St Nw, Washington, DC was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 3140 O St Nw, Washington, DC?

3140 O St Nw, Washington, DC is assigned to Hyde-Addison Elementary School (elementary), rated A-; Hardy Middle School (middle), rated A; MacArthur High School (high), rated C+. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3140 O St Nw, Washington, DC compare to other homes in Washington 20007?

Among the 9,902 homes in Washington 20007, it is bigger than 76% of them (2,366 ft² against a typical 1,462 ft²), its lot is bigger than 48% of them (1,496 ft² against a typical 1,568 ft²) and it is newer than 22% of them (1900 against a typical 1938). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3140 O St Nw, Washington, DC?

The 2025 property tax bill for 3140 O St Nw, Washington, DC was $14,349. The county assessed it at $1,777,960.

More homes on O St Nw

Closest homes

More homes in Washington 20007

Assigned schools

Explore the area

See this home in context

Open 3140 O St Nw on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map