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TownhouseResidential
$785,023$510 / 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 95How 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 $620,500 on Mar 24, 2021

10401 EMERALD ROCK DR

OAKTON, VA 22124
4
Beds
3 / 2
Baths
1,540 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.
2,475 ft²
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$785K
$745K low$825K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$620,500 · Mar 24, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,729 (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.$668,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$195,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$473,640
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$594,080
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$668,640

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyFAIRFAX
Lot (acres)The size of the land the home sits on, from county records.0.06
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Buildable

Transaction History(3)

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
Oakton Elementary SchoolA+
Elementary · Grades KG–6 · 0.6 mi
H
Oakton High SchoolA
High · Grades 9–12 · 1.3 mi
M
Thoreau Middle SchoolA
Middle · Grades 7–8 · 3.6 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 22124These 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.49
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.19,120
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,875 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$195,182
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$236,122
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

Owner Tools

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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

10401 Emerald Rock Dr 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 70% of homes in Oakton 22124
  • Costs more per square foot than 84% of homes in Oakton 22124
  • Smaller than 73% of homes in Oakton 22124
  • Has a smaller lot than 83% of homes in Oakton 22124
  • Older than 70% of homes in Oakton 22124

What homes are worth in Oakton 22124

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

This home
$298K$2.5M

This home is worth more than 30% of homes in Oakton 22124.

How it measures up in Oakton 22124

The dot is this home. The mark in the middle is the typical home in Oakton 22124.

Estimated value$785,023
CheaperTypical $1,082,548Pricier

Pricier than 30% of homes nearby

Price per ft²$510
CheaperTypical $433Pricier

Pricier than 84% of homes nearby

Living area1,540 ft²
SmallerTypical 2,250 ft²Bigger

Bigger than 27% of homes nearby

Lot size2,475 ft²
SmallerTypical 0.57 acBigger

Bigger than 17% of homes nearby

Year built1977
OlderTypical 1983Newer

Newer than 30% of homes nearby

How 10401 Emerald Rock Dr ranks against every home in each area.
MeasureThis homeOakton 22124Fairfax County
Estimated valuepricier than$785,02330% of homes52% of homes
Price per ft²pricier than$51084% of homes75% of homes
Living areabigger than1,540 ft²27% of homes45% of homes
Lot sizebigger than2,475 ft²17% of homes25% of homes
Year builtnewer than197730% of homes41% of homes

About 10401 Emerald Rock Dr

How much is 10401 Emerald Rock Dr, Oakton, VA worth?

The TopHap Estimate for 10401 Emerald Rock Dr, Oakton, VA is $785,023 as of Sep 24, 2026. The likely range is $744,931 to $825,115. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10401 Emerald Rock Dr, Oakton, VA last sell?

10401 Emerald Rock Dr, Oakton, VA last sold on Mar 24, 2021 for $620,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 10401 Emerald Rock Dr, Oakton, VA?

10401 Emerald Rock Dr, Oakton, VA has 4 bedrooms, 3 bathrooms, 1,540 square feet of living space and a 0.06-acre lot.

When was 10401 Emerald Rock Dr, Oakton, VA built?

10401 Emerald Rock Dr, Oakton, VA was built in 1977, making it 49 years old. It is a bi-level home. The building has 2 stories.

What schools serve 10401 Emerald Rock Dr, Oakton, VA?

10401 Emerald Rock Dr, Oakton, VA is assigned to Oakton Elementary School (elementary), rated A+; Oakton High School (high), rated A; Thoreau Middle School (middle), rated A. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10401 Emerald Rock Dr, Oakton, VA compare to other homes in Oakton 22124?

Among the 6,575 homes in Oakton 22124, it is worth more than 30% of them ($785,023 against a typical $1,082,548), its price per square foot is higher than 84% of them ($510 against a typical $433), it is bigger than 27% of them (1,540 ft² against a typical 2,250 ft²), its lot is bigger than 17% of them (2,475 ft² against a typical 0.57 ac) and it is newer than 30% of them (1977 against a typical 1983). Measured against all of Fairfax County, it is worth more than 52% 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 10401 Emerald Rock Dr, Oakton, VA?

The 2025 property tax bill for 10401 Emerald Rock Dr, Oakton, VA was $7,729. The county assessed it at $668,640.

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