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Single Family ResidenceResidential
$1,152,777$829 / 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 Aug 30, 2026
Last sold for $271,682 on Feb 1, 1996

3400 PATTERSON ST NW

WASHINGTON, DC 20015
3
Beds
3
Baths
1,391 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.
0.15 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.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$271,682 · Feb 1, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,183 (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.$1,096,850 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$675,050
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$421,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,054,860
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,096,850

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.2009
Lot (acres)The size of the land the home sits on, from county records.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
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

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

E
Lafayette Elementary SchoolA+
Elementary · Grades PK–5 · 0.1 mi
M
Deal Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Jackson-Reed High SchoolB+
High · Grades 9–12 · 1.3 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20015These 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.44
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 100.34

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.16,782
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,779 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$188,990
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$227,188
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

3400 Patterson 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.

  • Worth more than 83% of homes in District of Columbia County
  • Costs more per square foot than 90% of homes in District of Columbia County
  • Smaller than 84% of homes in Washington 20015
  • Has a bigger lot than 93% of homes in District of Columbia County
  • Newer than 74% of homes in Washington 20015

What homes are worth in Washington 20015

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

This home
$236K$3M

This home is worth more than 22% of homes in Washington 20015.

How it measures up in Washington 20015

The dot is this home. The mark in the middle is the typical home in Washington 20015.

Estimated value$1,152,777
CheaperTypical $1,476,099Pricier

Pricier than 22% of homes nearby

Price per ft²$829
CheaperTypical $727Pricier

Pricier than 77% of homes nearby

Living area1,391 ft²
SmallerTypical 1,996 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.15 ac
SmallerTypical 0.12 acBigger

Bigger than 73% of homes nearby

Year built1950
OlderTypical 1936Newer

Newer than 74% of homes nearby

How 3400 Patterson St Nw ranks against every home in each area.
MeasureThis homeWashington 20015District of Columbia County
Estimated valuepricier than$1,152,77722% of homes83% of homes
Price per ft²pricier than$82977% of homes90% of homes
Living areabigger than1,391 ft²16% of homes59% of homes
Lot sizebigger than0.15 ac73% of homes93% of homes
Year builtnewer than195074% of homes63% of homes

About 3400 Patterson St Nw

How much is 3400 Patterson St Nw, Washington, DC worth?

The TopHap Estimate for 3400 Patterson St Nw, Washington, DC is $1,152,777 as of Aug 30, 2026. The likely range is $1,086,650 to $1,218,904. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3400 Patterson St Nw, Washington, DC last sell?

3400 Patterson St Nw, Washington, DC last sold on Feb 1, 1996 for $271,682, according to the county's recorded deed.

How big is 3400 Patterson St Nw, Washington, DC?

3400 Patterson St Nw, Washington, DC has 3 bedrooms, 3 bathrooms, 1,391 square feet of living space and a 0.15-acre lot.

When was 3400 Patterson St Nw, Washington, DC built?

3400 Patterson St Nw, Washington, DC was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 3400 Patterson St Nw, Washington, DC?

3400 Patterson St Nw, Washington, DC is assigned to Lafayette Elementary School (elementary), rated A+; Deal Middle School (middle), rated A+; 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 3400 Patterson St Nw, Washington, DC compare to other homes in Washington 20015?

Among the 5,407 homes in Washington 20015, it is worth more than 22% of them ($1,152,777 against a typical $1,476,099), its price per square foot is higher than 77% of them ($829 against a typical $727), it is bigger than 16% of them (1,391 ft² against a typical 1,996 ft²), its lot is bigger than 73% of them (0.15 ac against a typical 0.12 ac) and it is newer than 74% of them (1950 against a typical 1936). Measured against all of District of Columbia County, it is worth more than 83% 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 3400 Patterson St Nw, Washington, DC?

The 2025 property tax bill for 3400 Patterson St Nw, Washington, DC was $4,183. The county assessed it at $1,096,850.

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