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TownhouseResidential
$648,787$296 / 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
Last sold for $400,000 on Jul 21, 2017

21056 MOSSY GLEN TER

ASHBURN, VA 20147
2
Beds
3.5
Baths
2,190 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.
1,742 ft²
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$649K
$627K low$671K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Jul 21, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,936 (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.$613,150 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$210,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$403,150
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$616,940
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$613,150

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.40
1
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.
81
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.
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
CountyLOUDOUN
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.2010
Lot (acres)The size of the land the home sits on, from county records.0.04
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 176 ft²

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Farmwell Station Middle SchoolA
Middle · Grades 6–8 · 0.2 mi
H
Broad Run High SchoolB+
High · Grades 9–12 · 1.2 mi
E
Dominion Trail Elementary SchoolC+
Elementary · Grades PK–5 · 6.8 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

21056 Mossy Glen Ter 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 69% of homes in Loudoun County
  • Smaller than 66% of homes in Loudoun County
  • Has a smaller lot than 98% of homes in Loudoun County

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
$332K$1.5M

This home is worth more than 37% 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$648,787
CheaperTypical $747,096Pricier

Pricier than 37% of homes nearby

Price per ft²$296
CheaperTypical $304Pricier

Pricier than 43% of homes nearby

Living area2,190 ft²
SmallerTypical 2,440 ft²Bigger

Bigger than 40% of homes nearby

Lot size1,742 ft²
SmallerTypical 0.1 acBigger

Bigger than 6% of homes nearby

Year built1999
OlderTypical 2000Newer

Newer than 48% of homes nearby

How 21056 Mossy Glen Ter ranks against every home in each area.
MeasureThis homeAshburn 20147Loudoun County
Estimated valuepricier than$648,78737% of homes31% of homes
Price per ft²pricier than$29643% of homes51% of homes
Living areabigger than2,190 ft²40% of homes34% of homes
Lot sizebigger than1,742 ft²6% of homes2% of homes
Year builtnewer than199948% of homes41% of homes

About 21056 Mossy Glen Ter

How much is 21056 Mossy Glen Ter, Ashburn, VA worth?

The TopHap Estimate for 21056 Mossy Glen Ter, Ashburn, VA is $648,787 as of Sep 24, 2026. The likely range is $626,703 to $670,872. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21056 Mossy Glen Ter, Ashburn, VA last sell?

21056 Mossy Glen Ter, Ashburn, VA last sold on Jul 21, 2017 for $400,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21056 Mossy Glen Ter, Ashburn, VA?

21056 Mossy Glen Ter, Ashburn, VA has 2 bedrooms, 3.5 bathrooms, 2,190 square feet of living space and a 0.04-acre lot.

When was 21056 Mossy Glen Ter, Ashburn, VA built?

21056 Mossy Glen Ter, Ashburn, VA was built in 1999, making it 27 years old. It is a townhouse home. The building has 2 stories.

What schools serve 21056 Mossy Glen Ter, Ashburn, VA?

21056 Mossy Glen Ter, Ashburn, VA is assigned to Farmwell Station Middle School (middle), rated A; Broad Run High School (high), rated B+; Dominion Trail Elementary School (elementary), rated C+. All sit in Loudoun County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21056 Mossy Glen Ter, Ashburn, VA compare to other homes in Ashburn 20147?

Among the 20,130 homes in Ashburn 20147, it is worth more than 37% of them ($648,787 against a typical $747,096), its price per square foot is higher than 43% of them ($296 against a typical $304), it is bigger than 40% of them (2,190 ft² against a typical 2,440 ft²), its lot is bigger than 6% of them (1,742 ft² against a typical 0.1 ac) and it is newer than 48% of them (1999 against a typical 2000). Measured against all of Loudoun County, it is worth more than 31% 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 21056 Mossy Glen Ter, Ashburn, VA?

The 2026 property tax bill for 21056 Mossy Glen Ter, Ashburn, VA was $4,936. The county assessed it at $613,150.

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