Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$519,131$633 / 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 97How 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

1747 18TH ST NW APT 4

WASHINGTON, DC 20009
Building report
1
Beds
1
Baths
820 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.
384 ft²
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$519K
$501K low$537K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,528 (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.$520,590 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$156,180
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$364,410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$532,950
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$520,590

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.1980
Lot (acres)The size of the land the home sits on, from county records.0.01
HeatingThe type of heating system in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Ross Elementary SchoolA
Elementary · Grades EE–5 · 0.1 mi
M
School Without Walls @ Francis-Stevens Education CampusA-
Middle · Grades EE–8 · 0.7 mi
H
Cardozo Education CampusD+
High · Grades 7–12 · 0.9 mi

District: District of Columbia Public Schools

Neighborhood · ZIP 20009These 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.117
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 100.33

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.0%
PopulationHow many people live in this area.54,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42,372 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$130,098
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,293
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%

Owner Tools

Do you own this home?
Claim this home

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

1747 18th St Nw Apt 4 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.

  • Costs more per square foot than 68% of homes in District of Columbia County
  • Smaller than 79% of homes in District of Columbia County
  • Has a smaller lot than 82% of homes in District of Columbia County
  • Older than 78% of homes in District of Columbia County

What homes are worth in Washington 20009

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

This home
$238K$2.2M

This home is worth more than 45% of homes in Washington 20009.

How it measures up in Washington 20009

The dot is this home. The mark in the middle is the typical home in Washington 20009.

Estimated value$519,131
CheaperTypical $554,621Pricier

Pricier than 45% of homes nearby

Price per ft²$633
CheaperTypical $670Pricier

Pricier than 36% of homes nearby

Living area820 ft²
SmallerTypical 924 ft²Bigger

Bigger than 41% of homes nearby

Lot size384 ft²
SmallerTypical 436 ft²Bigger

Bigger than 43% of homes nearby

Year built1915
OlderTypical 1915Newer

Newer than 50% of homes nearby

How 1747 18th St Nw Apt 4 ranks against every home in each area.
MeasureThis homeDupont Circle / Connecticut Avenue / K StreetWashington 20009District of Columbia County
Estimated valuepricier than$519,13163% of homes45% of homes44% of homes
Price per ft²pricier than$63343% of homes36% of homes68% of homes
Living areabigger than820 ft²59% of homes41% of homes21% of homes
Lot sizebigger than384 ft²66% of homes43% of homes18% of homes
Year builtnewer than191546% of homes50% of homes22% of homes

About 1747 18th St Nw Apt 4

How much is 1747 18th St Nw Apt 4, Washington, DC worth?

The TopHap Estimate for 1747 18th St Nw Apt 4, Washington, DC is $519,131 as of Sep 24, 2026. The likely range is $501,219 to $537,043. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1747 18th St Nw Apt 4, Washington, DC last sell?

1747 18th St Nw Apt 4, Washington, DC last sold on Feb 11, 2009, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1747 18th St Nw Apt 4, Washington, DC?

1747 18th St Nw Apt 4, Washington, DC has 1 bedrooms, 1 bathrooms, 820 square feet of living space and a 0.01-acre lot.

When was 1747 18th St Nw Apt 4, Washington, DC built?

1747 18th St Nw Apt 4, Washington, DC was built in 1915, making it 111 years old.

What schools serve 1747 18th St Nw Apt 4, Washington, DC?

1747 18th St Nw Apt 4, Washington, DC is assigned to Ross Elementary School (elementary), rated A; School Without Walls @ Francis-Stevens Education Campus (middle), rated A-; Cardozo Education Campus (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 1747 18th St Nw Apt 4, Washington, DC compare to other homes in Washington 20009?

Among the 14,472 homes in Washington 20009, it is worth more than 45% of them ($519,131 against a typical $554,621), its price per square foot is higher than 36% of them ($633 against a typical $670), it is bigger than 41% of them (820 ft² against a typical 924 ft²), its lot is bigger than 43% of them (384 ft² against a typical 436 ft²) and it is newer than 50% of them (1915 against a typical 1915). Measured against all of District of Columbia County, it is worth more than 44% 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 1747 18th St Nw Apt 4, Washington, DC?

The 2025 property tax bill for 1747 18th St Nw Apt 4, Washington, DC was $3,528. The county assessed it at $520,590.

More homes on 18th St Nw Apt 4

Closest homes

More homes in Washington 20009

Assigned schools

Explore the area

See this home in context

Open 1747 18th St Nw Apt 4 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map