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CooperativeResidential
$464,906$5 / 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 88How 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 $470,345 on May 11, 2026

3900 CONNECTICUT AVE NW

WASHINGTON, DC 20008
20
Beds
0
Baths
84,804 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
5
StoriesHow many floors the home has above ground.

Valuation

$465K
$411K low$519K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$470,345 · May 11, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$93,954 (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.$15,855,785 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,204,510
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,651,275
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,348,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$15,855,785

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Cooperative
CountyDISTRICT OF COLUMBIA
Lot (acres)The size of the land the home sits on, from county records.0.98
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(43)

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
Hearst Elementary SchoolA+
Elementary · Grades PK–5 · 0.6 mi
H
Jackson-Reed High SchoolA
High · Grades 9–12 · 1.1 mi
M
Deal Middle SchoolA+
Middle · Grades 6–8 · 1.2 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20008These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
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.30,683
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,489 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,340
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,293
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%

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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

3900 Connecticut Ave 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 less than 71% of homes in Washington 20008
  • Among the lowest price per square foot in Cleveland Park
  • Among the largest homes in Cleveland Park
  • Among the largest lots in District of Columbia County

What homes are worth in Washington 20008

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

This home
$202K$6.4M

This home is worth more than 29% of homes in Washington 20008.

How it measures up in Washington 20008

The dot is this home. The mark in the middle is the typical home in Washington 20008.

Estimated value$464,906
CheaperTypical $1,048,027Pricier

Pricier than 29% of homes nearby

Price per ft²$5
CheaperTypical $654Pricier

Cheaper than almost all homes nearby

Living area84,804 ft²
SmallerTypical 1,496 ft²Bigger

Bigger than almost all homes nearby

Lot size0.98 ac
SmallerTypical 1,045 ft²Bigger

Bigger than almost all homes nearby

Year built1928
OlderTypical 1939Newer

Newer than 38% of homes nearby

How 3900 Connecticut Ave Nw ranks against every home in each area.
MeasureThis homeCleveland ParkWashington 20008District of Columbia County
Estimated valuepricier than$464,90638% of homes29% of homes37% of homes
Price per ft²pricier than$5almost no homesalmost no homesalmost no homes
Living areabigger than84,804 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.98 acalmost all homesalmost all homesalmost all homes
Year builtnewer than192849% of homes38% of homes38% of homes

About 3900 Connecticut Ave Nw

How much is 3900 Connecticut Ave Nw, Washington, DC worth?

The TopHap Estimate for 3900 Connecticut Ave Nw, Washington, DC is $464,906 as of Sep 24, 2026. The likely range is $410,798 to $519,014. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3900 Connecticut Ave Nw, Washington, DC last sell?

3900 Connecticut Ave Nw, Washington, DC last sold on May 11, 2026 for $470,345, according to the county's recorded deed. TopHap holds 18 recorded sales for this parcel.

How big is 3900 Connecticut Ave Nw, Washington, DC?

3900 Connecticut Ave Nw, Washington, DC has 20 bedrooms, 84,804 square feet of living space and a 0.98-acre lot.

When was 3900 Connecticut Ave Nw, Washington, DC built?

3900 Connecticut Ave Nw, Washington, DC was built in 1928, making it 98 years old. The building has 5 stories.

What schools serve 3900 Connecticut Ave Nw, Washington, DC?

3900 Connecticut Ave Nw, Washington, DC is assigned to Hearst Elementary School (elementary), rated A+; Jackson-Reed High School (high), rated A; Deal Middle School (middle), rated A+. All sit in District of Columbia Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3900 Connecticut Ave Nw, Washington, DC compare to other homes in Washington 20008?

Among the 7,460 homes in Washington 20008, it is worth more than 29% of them ($464,906 against a typical $1,048,027), its price per square foot is higher than almost none of them ($5 against a typical $654), it is bigger than almost all of them (84,804 ft² against a typical 1,496 ft²), its lot is bigger than almost all of them (0.98 ac against a typical 1,045 ft²) and it is newer than 38% of them (1928 against a typical 1939). Measured against all of District of Columbia County, it is worth more than 37% 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 3900 Connecticut Ave Nw, Washington, DC?

The 2025 property tax bill for 3900 Connecticut Ave Nw, Washington, DC was $93,954. The county assessed it at $15,855,785.

More homes on Connecticut Ave Nw

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