Skip to content
Skip to content
TopHapOpen in map
TownhouseResidential
$715,238$322 / 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 Jun 23, 2026

43431 ROBEY SQ

ASHBURN, VA 20148
4
Beds
4 / 1
Baths
2,220 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.
2017
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$715K
$694K low$737K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$715,238
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$572,190

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,462 (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.$678,450 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$240,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$438,450
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$655,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$678,450

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
Lot (acres)The size of the land the home sits on, from county records.0.04
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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

Transaction History(1)

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
Mill Run Elementary SchoolA+
Elementary · Grades KG–5 · 1.0 mi
M
Eagle Ridge Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Briar Woods High SchoolA
High · Grades 9–12 · 2.0 mi

District: Loudoun County Public Schools

Neighborhood · ZIP 20148These 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.20
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.56,606
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,496 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$194,877
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$227,317
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

43431 Robey Sq 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 73% of homes in Ashburn 20148
  • Smaller than 79% of homes in Ashburn 20148
  • Has a smaller lot than 98% of homes in Ashburn 20148
  • Newer than 88% of homes in Loudoun County

What homes are worth in Ashburn 20148

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

This home
$367K$1.9M

This home is worth more than 27% of homes in Ashburn 20148.

How it measures up in Ashburn 20148

The dot is this home. The mark in the middle is the typical home in Ashburn 20148.

Estimated value$715,238
CheaperTypical $872,601Pricier

Pricier than 27% of homes nearby

Price per ft²$322
CheaperTypical $321Pricier

Pricier than 51% of homes nearby

Living area2,220 ft²
SmallerTypical 2,857 ft²Bigger

Bigger than 21% of homes nearby

Lot size1,742 ft²
SmallerTypical 0.11 acBigger

Bigger than 2% of homes nearby

Year built2017
OlderTypical 2012Newer

Newer than 77% of homes nearby

How 43431 Robey Sq ranks against every home in each area.
MeasureThis homeAshburn 20148Loudoun County
Estimated valuepricier than$715,23827% of homes40% of homes
Price per ft²pricier than$32251% of homes39% of homes
Living areabigger than2,220 ft²21% of homes40% of homes
Lot sizebigger than1,742 ft²2% of homes3% of homes
Year builtnewer than201777% of homes88% of homes

About 43431 Robey Sq

How much is 43431 Robey Sq, Ashburn, VA worth?

The TopHap Estimate for 43431 Robey Sq, Ashburn, VA is $715,238 as of Jun 23, 2026. The likely range is $693,780 to $736,695. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 43431 Robey Sq, Ashburn, VA?

43431 Robey Sq, Ashburn, VA has 4 bedrooms, 4 bathrooms, 2,220 square feet of living space and a 0.04-acre lot.

When was 43431 Robey Sq, Ashburn, VA built?

43431 Robey Sq, Ashburn, VA was built in 2017, making it 9 years old. It is a townhouse home. The building has 3 stories.

What schools serve 43431 Robey Sq, Ashburn, VA?

43431 Robey Sq, Ashburn, VA is assigned to Mill Run Elementary School (elementary), rated A+; Eagle Ridge Middle School (middle), rated A+; Briar Woods 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 43431 Robey Sq, Ashburn, VA compare to other homes in Ashburn 20148?

Among the 20,681 homes in Ashburn 20148, it is worth more than 27% of them ($715,238 against a typical $872,601), its price per square foot is higher than 51% of them ($322 against a typical $321), it is bigger than 21% of them (2,220 ft² against a typical 2,857 ft²), its lot is bigger than 2% of them (1,742 ft² against a typical 0.11 ac) and it is newer than 77% of them (2017 against a typical 2012). Measured against all of Loudoun County, it is worth more than 40% 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 43431 Robey Sq, Ashburn, VA?

The 2025 property tax bill for 43431 Robey Sq, Ashburn, VA was $5,462. The county assessed it at $678,450.

Closest homes

More homes in Ashburn 20148

Assigned schools

Explore the area

See this home in context

Open 43431 Robey Sq 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