Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$892,048$537 / 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 Jul 14, 2026
Last sold for $725,000 on Aug 10, 2023

11678 POST MILLS LN

RESTON, VA 20194
4
Beds
3 / 1
Baths
1,662 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$892K
$864K low$920K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$725,000 · Aug 10, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,564 (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.$878,120 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$300,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$578,120
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$729,670
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$878,120

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFairfax
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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.Deck · 200 ft²Patio · 200 ft²

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
Aldrin Elementary SchoolA
Elementary · Grades KG–6 · 1.0 mi
H
Herndon High SchoolD-
High · Grades 9–12 · 1.6 mi
M
Herndon Middle SchoolD
Middle · Grades 7–8 · 2.2 mi

District: Fairfax County Public Schools

Neighborhood · ZIP 20194These 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.102
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 100.34

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.41%
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.0.9%
PopulationHow many people live in this area.12,726
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,023 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,725
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$194,691
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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

11678 Post Mills Ln 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.

  • Costs more per square foot than 87% of homes in Reston 20194
  • Has a bigger lot than 69% of homes in Reston 20194
  • Among the oldest homes in Reston 20194

What homes are worth in Reston 20194

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

This home
$355K$1.8M

This home is worth more than 51% of homes in Reston 20194.

How it measures up in Reston 20194

The dot is this home. The mark in the middle is the typical home in Reston 20194.

Estimated value$892,048
CheaperTypical $872,739Pricier

Pricier than 51% of homes nearby

Price per ft²$537
CheaperTypical $450Pricier

Pricier than 87% of homes nearby

Living area1,662 ft²
SmallerTypical 1,736 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.25 ac
SmallerTypical 0.1 acBigger

Bigger than 69% of homes nearby

Year built1982
OlderTypical 1989Newer

Older than almost all homes nearby

How 11678 Post Mills Ln ranks against every home in each area.
MeasureThis homeReston 20194Fairfax County
Estimated valuepricier than$892,04851% of homes61% of homes
Price per ft²pricier than$53787% of homes79% of homes
Living areabigger than1,662 ft²45% of homes51% of homes
Lot sizebigger than0.25 ac69% of homes54% of homes
Year builtnewer than1982almost no homes52% of homes

About 11678 Post Mills Ln

How much is 11678 Post Mills Ln, Reston, VA worth?

The TopHap Estimate for 11678 Post Mills Ln, Reston, VA is $892,048 as of Jul 14, 2026. The likely range is $863,915 to $920,181. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11678 Post Mills Ln, Reston, VA last sell?

11678 Post Mills Ln, Reston, VA last sold on Aug 10, 2023 for $725,000, according to the county's recorded deed.

How big is 11678 Post Mills Ln, Reston, VA?

11678 Post Mills Ln, Reston, VA has 4 bedrooms, 3 bathrooms, 1,662 square feet of living space and a 0.25-acre lot.

When was 11678 Post Mills Ln, Reston, VA built?

11678 Post Mills Ln, Reston, VA was built in 1982, making it 44 years old. The building has 2 stories.

What schools serve 11678 Post Mills Ln, Reston, VA?

11678 Post Mills Ln, Reston, VA is assigned to Aldrin Elementary School (elementary), rated A; Herndon High School (high), rated D-; Herndon Middle School (middle), rated D. All sit in Fairfax County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11678 Post Mills Ln, Reston, VA compare to other homes in Reston 20194?

Among the 4,696 homes in Reston 20194, it is worth more than 51% of them ($892,048 against a typical $872,739), its price per square foot is higher than 87% of them ($537 against a typical $450), it is bigger than 45% of them (1,662 ft² against a typical 1,736 ft²), its lot is bigger than 69% of them (0.25 ac against a typical 0.1 ac) and it is newer than almost none of them (1982 against a typical 1989). Measured against all of Fairfax County, it is worth more than 61% 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 11678 Post Mills Ln, Reston, VA?

The 2025 property tax bill for 11678 Post Mills Ln, Reston, VA was $10,564. The county assessed it at $878,120.

More homes on Post Mills Ln

Closest homes

More homes in Reston 20194

Assigned schools

Explore the area

See this home in context

Open 11678 Post Mills Ln 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