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TownhouseResidential
$1,087,659$553 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,100,000 on Jul 20, 2026

623 I ST SW

WASHINGTON, DC 20024
4
Beds
3 / 2
Baths
1,968 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.
992 ft²
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
3
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

$1.1M
$1.1M low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,100,000 · Jul 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,508 (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.$924,690 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$497,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$427,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$901,840
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$924,690

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.17 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
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.1968
Lot (acres)The size of the land the home sits on, from county records.0.02
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.Metal
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Jefferson Middle School AcademyB-
Middle · Grades 6–8 · 0.1 mi
E
Amidon-Bowen Elementary SchoolC
Elementary · Grades EE–5 · 0.1 mi
H
Eastern High SchoolC-
High · Grades 9–12 · 2.3 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20024These 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.148
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
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.88%
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.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.14,575
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16,304 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,490
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,933
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

623 I St Sw 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 93% of homes in Washington 20024
  • Costs more per square foot than 79% of homes in Washington 20024
  • Bigger than 91% of homes in Washington 20024
  • Has a bigger lot than 67% of homes in Washington 20024
  • Newer than 74% of homes in District of Columbia County

What homes are worth in Washington 20024

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

This home
$174K$1.9M

This home is worth more than 93% of homes in Washington 20024.

How it measures up in Washington 20024

The dot is this home. The mark in the middle is the typical home in Washington 20024.

Estimated value$1,087,659
CheaperTypical $385,261Pricier

Pricier than 93% of homes nearby

Price per ft²$553
CheaperTypical $431Pricier

Pricier than 79% of homes nearby

Living area1,968 ft²
SmallerTypical 921 ft²Bigger

Bigger than 91% of homes nearby

Lot size992 ft²
SmallerTypical 479 ft²Bigger

Bigger than 67% of homes nearby

Year built1965
OlderTypical 1967Newer

Newer than 43% of homes nearby

How 623 I St Sw ranks against every home in each area.
MeasureThis homeWashington 20024District of Columbia County
Estimated valuepricier than$1,087,65993% of homes81% of homes
Price per ft²pricier than$55379% of homes53% of homes
Living areabigger than1,968 ft²91% of homes81% of homes
Lot sizebigger than992 ft²67% of homes35% of homes
Year builtnewer than196543% of homes74% of homes

About 623 I St Sw

How much is 623 I St Sw, Washington, DC worth?

The TopHap Estimate for 623 I St Sw, Washington, DC is $1,087,659 as of Oct 21, 2026. The likely range is $1,064,221 to $1,111,097. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 623 I St Sw, Washington, DC last sell?

623 I St Sw, Washington, DC last sold on Jul 20, 2026 for $1,100,000, according to the county's recorded deed.

How big is 623 I St Sw, Washington, DC?

623 I St Sw, Washington, DC has 4 bedrooms, 3 bathrooms, 1,968 square feet of living space and a 0.02-acre lot.

When was 623 I St Sw, Washington, DC built?

623 I St Sw, Washington, DC was built in 1965, making it 61 years old. It is a townhouse home. The building has 3 stories.

What schools serve 623 I St Sw, Washington, DC?

623 I St Sw, Washington, DC is assigned to Jefferson Middle School Academy (middle), rated B-; Amidon-Bowen Elementary School (elementary), rated C; Eastern 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 623 I St Sw, Washington, DC compare to other homes in Washington 20024?

Among the 3,545 homes in Washington 20024, it is worth more than 93% of them ($1,087,659 against a typical $385,261), its price per square foot is higher than 79% of them ($553 against a typical $431), it is bigger than 91% of them (1,968 ft² against a typical 921 ft²), its lot is bigger than 67% of them (992 ft² against a typical 479 ft²) and it is newer than 43% of them (1965 against a typical 1967). Measured against all of District of Columbia County, it is worth more than 81% 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 623 I St Sw, Washington, DC?

The 2025 property tax bill for 623 I St Sw, Washington, DC was $3,508. The county assessed it at $924,690.

More homes on I St Sw

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