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Single Family ResidenceResidential
$1,682,500$327 / 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 92How 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 $639,052 on Sep 14, 2000

19871 MELLON CIR

ASHBURN, VA 20147
4
Beds
3.5
Baths
5,151 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.
0.75 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.7M
$1.6M low$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$639,052 · Sep 14, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,259 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$1,647,110 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$477,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,169,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,578,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,647,110

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.47
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
82
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyLOUDOUN
Lot (acres)The size of the land the home sits on, from county records.0.75
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 500 ft²Porch · 500 ft²

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

E
Newton-Lee Elementary SchoolA
Elementary · Grades PK–5 · 0.9 mi
M
Belmont Ridge Middle SchoolA-
Middle · Grades 6–8 · 1.7 mi
H
Riverside High SchoolA-
High · Grades 9–12 · 1.8 mi

District: Loudoun County Public Schools

Neighborhood · ZIP 20147These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.65,613
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,475 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,209
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,847
Average tempThe average temperature here across a full year.54°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.63%

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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

19871 Mellon Cir 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 98% of homes in Ashburn 20147
  • Costs more per square foot than 72% of homes in Loudoun County
  • Bigger than 96% of homes in Ashburn 20147
  • Has a bigger lot than 98% of homes in Ashburn 20147

What homes are worth in Ashburn 20147

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

This home
$341K$1.5M

This home is worth more than 98% of homes in Ashburn 20147.

How it measures up in Ashburn 20147

The dot is this home. The mark in the middle is the typical home in Ashburn 20147.

Estimated value$1,682,500
CheaperTypical $751,562Pricier

Pricier than 98% of homes nearby

Price per ft²$327
CheaperTypical $303Pricier

Pricier than 70% of homes nearby

Living area5,151 ft²
SmallerTypical 2,447 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.75 ac
SmallerTypical 0.1 acBigger

Bigger than 98% of homes nearby

Year built2000
OlderTypical 2000Newer

Newer than 52% of homes nearby

How 19871 Mellon Cir ranks against every home in each area.
MeasureThis homeAshburn 20147Loudoun County
Estimated valuepricier than$1,682,50098% of homes96% of homes
Price per ft²pricier than$32770% of homes72% of homes
Living areabigger than5,151 ft²96% of homes89% of homes
Lot sizebigger than0.75 ac98% of homes86% of homes
Year builtnewer than200052% of homes44% of homes

About 19871 Mellon Cir

How much is 19871 Mellon Cir, Ashburn, VA worth?

The TopHap Estimate for 19871 Mellon Cir, Ashburn, VA is $1,682,500 as of Sep 24, 2026. The likely range is $1,553,369 to $1,811,631. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 19871 Mellon Cir, Ashburn, VA last sell?

19871 Mellon Cir, Ashburn, VA last sold on Sep 14, 2000 for $639,052, according to the county's recorded deed.

How big is 19871 Mellon Cir, Ashburn, VA?

19871 Mellon Cir, Ashburn, VA has 4 bedrooms, 3.5 bathrooms, 5,151 square feet of living space and a 0.75-acre lot.

When was 19871 Mellon Cir, Ashburn, VA built?

19871 Mellon Cir, Ashburn, VA was built in 2000, making it 26 years old. It is a colonial home. The building has 2 stories.

What schools serve 19871 Mellon Cir, Ashburn, VA?

19871 Mellon Cir, Ashburn, VA is assigned to Newton-Lee Elementary School (elementary), rated A; Belmont Ridge Middle School (middle), rated A-; Riverside High School (high), rated A-. All sit in Loudoun County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 19871 Mellon Cir, Ashburn, VA compare to other homes in Ashburn 20147?

Among the 20,127 homes in Ashburn 20147, it is worth more than 98% of them ($1,682,500 against a typical $751,562), its price per square foot is higher than 70% of them ($327 against a typical $303), it is bigger than 96% of them (5,151 ft² against a typical 2,447 ft²), its lot is bigger than 98% of them (0.75 ac against a typical 0.1 ac) and it is newer than 52% of them (2000 against a typical 2000). Measured against all of Loudoun County, it is worth more than 96% 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 19871 Mellon Cir, Ashburn, VA?

The 2026 property tax bill for 19871 Mellon Cir, Ashburn, VA was $13,259. The county assessed it at $1,647,110.

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