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Row HouseResidential
$528,388$267 / 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 85How 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 $325,000 on Aug 30, 2018

420 MELLON ST SE

WASHINGTON, DC 20032
3
Beds
2
Baths
1,976 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.
1,412 ft²
Lot SizeThe size of the land the home sits on, from county records.
1943
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

$528K
$451K low$606K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · Aug 30, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,895 (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.$430,420 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$128,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$302,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$418,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$430,420

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Row House
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.2018
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.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

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.

Foreclosure Filings(5)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Martin Luther King Elementary SchoolD+
Elementary · Grades EE–5 · 0.4 mi
H
Ballou High SchoolD+
High · Grades 9–12 · 0.7 mi
M
Hart Middle SchoolC-
Middle · Grades 6–8 · 0.8 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20032These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.9.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.24%
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.37,987
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,940 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,170
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,190
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

420 Mellon 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 95% of homes in Washington 20032
  • Costs less per square foot than 92% of homes in District of Columbia County
  • Bigger than 83% of homes in Washington 20032
  • Has a smaller lot than 74% of homes in Washington 20032
  • Older than 72% of homes in Washington 20032

What homes are worth in Washington 20032

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

This home
$83K$635K

This home is worth more than 95% of homes in Washington 20032.

How it measures up in Washington 20032

The dot is this home. The mark in the middle is the typical home in Washington 20032.

Estimated value$528,388
CheaperTypical $317,503Pricier

Pricier than 95% of homes nearby

Price per ft²$267
CheaperTypical $258Pricier

Pricier than 54% of homes nearby

Living area1,976 ft²
SmallerTypical 1,224 ft²Bigger

Bigger than 83% of homes nearby

Lot size1,412 ft²
SmallerTypical 2,483 ft²Bigger

Bigger than 26% of homes nearby

Year built1943
OlderTypical 1950Newer

Newer than 28% of homes nearby

How 420 Mellon St Se ranks against every home in each area.
MeasureThis homeWashington 20032District of Columbia County
Estimated valuepricier than$528,38895% of homes45% of homes
Price per ft²pricier than$26754% of homes8% of homes
Living areabigger than1,976 ft²83% of homes82% of homes
Lot sizebigger than1,412 ft²26% of homes46% of homes
Year builtnewer than194328% of homes57% of homes

About 420 Mellon St Se

How much is 420 Mellon St Se, Washington, DC worth?

The TopHap Estimate for 420 Mellon St Se, Washington, DC is $528,388 as of Sep 24, 2026. The likely range is $450,966 to $605,810. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 420 Mellon St Se, Washington, DC last sell?

420 Mellon St Se, Washington, DC last sold on Aug 30, 2018 for $325,000, according to the county's recorded deed.

How big is 420 Mellon St Se, Washington, DC?

420 Mellon St Se, Washington, DC has 3 bedrooms, 2 bathrooms, 1,976 square feet of living space and a 0.03-acre lot.

When was 420 Mellon St Se, Washington, DC built?

420 Mellon St Se, Washington, DC was built in 1943, making it 83 years old. The building has 2 stories.

What schools serve 420 Mellon St Se, Washington, DC?

420 Mellon St Se, Washington, DC is assigned to Martin Luther King Elementary School (elementary), rated D+; Ballou High School (high), rated D+; Hart Middle School (middle), rated C-. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Mellon St Se, Washington, DC compare to other homes in Washington 20032?

Among the 5,632 homes in Washington 20032, it is worth more than 95% of them ($528,388 against a typical $317,503), its price per square foot is higher than 54% of them ($267 against a typical $258), it is bigger than 83% of them (1,976 ft² against a typical 1,224 ft²), its lot is bigger than 26% of them (1,412 ft² against a typical 2,483 ft²) and it is newer than 28% of them (1943 against a typical 1950). Measured against all of District of Columbia County, it is worth more than 45% 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 420 Mellon St Se, Washington, DC?

The 2025 property tax bill for 420 Mellon St Se, Washington, DC was $2,895. The county assessed it at $430,420.

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