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Row HouseResidential
$1,385,848$709 / 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 95How 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 $750,000 on Sep 28, 2004

645 MASSACHUSETTS AVE NE

WASHINGTON, DC 20002
4
Beds
3 / 1
Baths
1,956 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.
1,156 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.
3
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

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$750,000 · Sep 28, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,112 (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.$1,279,510 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$628,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$650,810
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,264,910
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,279,510

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.1992
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(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.

M
Stuart Hobson Middle SchoolA-
Middle · Grades 6–8 · 0.3 mi
E
Watkins Elementary SchoolA
Elementary · Grades 1–5 · 0.7 mi
H
Eastern High SchoolD
High · Grades 9–12 · 0.9 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20002These 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.109
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 100.40

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.87%
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.12%
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.74,190
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,541 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,876
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$150,815
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

645 Massachusetts Ave Ne 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 20002
  • Costs more per square foot than 81% of homes in Washington 20002
  • Bigger than 89% of homes in NoMa / Stanton Park / Kingman Park
  • Older than 91% of homes in District of Columbia County

What homes are worth in Washington 20002

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

This home
$255K$1.6M

This home is worth more than 95% of homes in Washington 20002.

How it measures up in Washington 20002

The dot is this home. The mark in the middle is the typical home in Washington 20002.

Estimated value$1,385,848
CheaperTypical $640,566Pricier

Pricier than 95% of homes nearby

Price per ft²$709
CheaperTypical $557Pricier

Pricier than 81% of homes nearby

Living area1,956 ft²
SmallerTypical 1,260 ft²Bigger

Bigger than 88% of homes nearby

Lot size1,156 ft²
SmallerTypical 1,220 ft²Bigger

Bigger than 46% of homes nearby

Year built1900
OlderTypical 1925Newer

Newer than 15% of homes nearby

How 645 Massachusetts Ave Ne ranks against every home in each area.
MeasureThis homeNoMa / Stanton Park / Kingman ParkWashington 20002District of Columbia County
Estimated valuepricier than$1,385,84892% of homes95% of homes88% of homes
Price per ft²pricier than$70969% of homes81% of homes78% of homes
Living areabigger than1,956 ft²89% of homes88% of homes81% of homes
Lot sizebigger than1,156 ft²50% of homes46% of homes39% of homes
Year builtnewer than190021% of homes15% of homes9% of homes

About 645 Massachusetts Ave Ne

How much is 645 Massachusetts Ave Ne, Washington, DC worth?

The TopHap Estimate for 645 Massachusetts Ave Ne, Washington, DC is $1,385,848 as of Sep 24, 2026. The likely range is $1,315,459 to $1,456,237. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 Massachusetts Ave Ne, Washington, DC last sell?

645 Massachusetts Ave Ne, Washington, DC last sold on Sep 28, 2004 for $750,000, according to the county's recorded deed.

How big is 645 Massachusetts Ave Ne, Washington, DC?

645 Massachusetts Ave Ne, Washington, DC has 4 bedrooms, 3 bathrooms, 1,956 square feet of living space and a 0.03-acre lot.

When was 645 Massachusetts Ave Ne, Washington, DC built?

645 Massachusetts Ave Ne, Washington, DC was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 645 Massachusetts Ave Ne, Washington, DC?

645 Massachusetts Ave Ne, Washington, DC is assigned to Stuart Hobson Middle School (middle), rated A-; Watkins Elementary School (elementary), rated A; Eastern 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 645 Massachusetts Ave Ne, Washington, DC compare to other homes in Washington 20002?

Among the 20,242 homes in Washington 20002, it is worth more than 95% of them ($1,385,848 against a typical $640,566), its price per square foot is higher than 81% of them ($709 against a typical $557), it is bigger than 88% of them (1,956 ft² against a typical 1,260 ft²), its lot is bigger than 46% of them (1,156 ft² against a typical 1,220 ft²) and it is newer than 15% of them (1900 against a typical 1925). Measured against all of District of Columbia County, it is worth more than 88% 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 645 Massachusetts Ave Ne, Washington, DC?

The 2025 property tax bill for 645 Massachusetts Ave Ne, Washington, DC was $10,112. The county assessed it at $1,279,510.

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