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Vacant LandVacant Land
$771,147
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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $568,068 on Mar 30, 2020

42329 ALDER FOREST TER

STERLING, VA 20166
0
Baths
4.94 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$771K
$627K low$916K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$568,068 · Mar 30, 2020

Tax & Assessment

Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$8,400

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
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.Vacant Land
CountyLOUDOUN
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.

M
Mercer Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
E
Elaine E. Thompson Elementary SchoolA
Elementary · Grades PK–5 · 1.1 mi
H
John Champe High SchoolA
High · Grades 9–12 · 1.5 mi

District: Loudoun County Public Schools

Neighborhood · ZIP 20166These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
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.95%
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.8.1%
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.18,322
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.838 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,145
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,624
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

42329 Alder Forest 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 more than 85% of homes in Sterling 20166
  • Among the largest lots in Sterling 20166

What homes are worth in Sterling 20166

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

This home
$380K$1.5M

This home is worth more than 85% of homes in Sterling 20166.

How it measures up in Sterling 20166

The dot is this home. The mark in the middle is the typical home in Sterling 20166.

Estimated value$771,147
CheaperTypical $601,096Pricier

Pricier than 85% of homes nearby

Lot size4.94 ac
SmallerTypical 2,178 ft²Bigger

Bigger than almost all homes nearby

How 42329 Alder Forest Ter ranks against every home in each area.
MeasureThis homeSterling 20166Loudoun County
Estimated valuepricier than$771,14785% of homes47% of homes
Lot sizebigger than4.94 acalmost all homes95% of homes

About 42329 Alder Forest Ter

How much is 42329 Alder Forest Ter, Sterling, VA worth?

The TopHap Estimate for 42329 Alder Forest Ter, Sterling, VA is $771,147 as of Aug 30, 2026. The likely range is $626,586 to $915,708. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42329 Alder Forest Ter, Sterling, VA last sell?

42329 Alder Forest Ter, Sterling, VA last sold on Mar 30, 2020 for $568,068, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 42329 Alder Forest Ter, Sterling, VA?

42329 Alder Forest Ter, Sterling, VA is assigned to Mercer Middle School (middle), rated A-; Elaine E. Thompson Elementary School (elementary), rated A; John Champe 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 42329 Alder Forest Ter, Sterling, VA compare to other homes in Sterling 20166?

Among the 3,904 homes in Sterling 20166, it is worth more than 85% of them ($771,147 against a typical $601,096) and its lot is bigger than almost all of them (4.94 ac against a typical 2,178 ft²). Measured against all of Loudoun County, it is worth more than 47% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Alder Forest Ter

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Assigned schools

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